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Texas Instruments DEM-DAI3793A инструкция обслуживания

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Похожие руководства по эксплуатации

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Законодательство обязывает продавца передать покупателю, вместе с товаром, руководство по эксплуатации Texas Instruments DEM-DAI3793A. Отсутствие инструкции либо неправильная информация, переданная потребителю, составляют основание для рекламации в связи с несоответствием устройства с договором. В законодательстве допускается предоставлении руководства в другой, чем бумажная форме, что, в последнее время, часто используется, предоставляя графическую или электронную форму инструкции Texas Instruments DEM-DAI3793A или обучающее видео для пользователей. Условием остается четкая и понятная форма.

Что такое руководство?

Слово происходит от латинского "instructio", тоесть привести в порядок. Следовательно в инструкции Texas Instruments DEM-DAI3793A можно найти описание этапов поведения. Цель инструкции заключается в облегчении запуска, использования оборудования либо выполнения определенной деятельности. Инструкция является набором информации о предмете/услуге, подсказкой.

К сожалению немного пользователей находит время для чтения инструкций Texas Instruments DEM-DAI3793A, и хорошая инструкция позволяет не только узнать ряд дополнительных функций приобретенного устройства, но и позволяет избежать возникновения большинства поломок.

Из чего должно состоять идеальное руководство по эксплуатации?

Прежде всего в инструкции Texas Instruments DEM-DAI3793A должна находится:
- информация относительно технических данных устройства Texas Instruments DEM-DAI3793A
- название производителя и год производства оборудования Texas Instruments DEM-DAI3793A
- правила обслуживания, настройки и ухода за оборудованием Texas Instruments DEM-DAI3793A
- знаки безопасности и сертификаты, подтверждающие соответствие стандартам

Почему мы не читаем инструкций?

Как правило из-за нехватки времени и уверенности в отдельных функциональностях приобретенных устройств. К сожалению само подсоединение и запуск Texas Instruments DEM-DAI3793A это слишком мало. Инструкция заключает ряд отдельных указаний, касающихся функциональности, принципов безопасности, способов ухода (даже то, какие средства стоит использовать), возможных поломок Texas Instruments DEM-DAI3793A и способов решения проблем, возникающих во время использования. И наконец то, в инструкции можно найти адресные данные сайта Texas Instruments, в случае отсутствия эффективности предлагаемых решений. Сейчас очень большой популярностью пользуются инструкции в форме интересных анимаций или видео материалов, которое лучше, чем брошюра воспринимаются пользователем. Такой вид инструкции позволяет пользователю просмотреть весь фильм, не пропуская спецификацию и сложные технические описания Texas Instruments DEM-DAI3793A, как это часто бывает в случае бумажной версии.

Почему стоит читать инструкции?

Прежде всего здесь мы найдем ответы касательно конструкции, возможностей устройства Texas Instruments DEM-DAI3793A, использования отдельных аксессуаров и ряд информации, позволяющей вполне использовать все функции и упрощения.

После удачной покупки оборудования/устройства стоит посвятить несколько минут для ознакомления с каждой частью инструкции Texas Instruments DEM-DAI3793A. Сейчас их старательно готовят или переводят, чтобы они были не только понятными для пользователя, но и чтобы выполняли свою основную информационно-поддерживающую функцию.

Содержание руководства

  • Страница 1

    DEM-DAI3793A/3794A EVM User's Guide July 2007 AIP Consumer Audio—TI Japan SBAU127[...]

  • Страница 2

    2 SBAU127 – July 2007 Submit Documentation Feedback[...]

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    Contents Preface ............................................................................................................................... 9 1 Description .............................................................................................................. 11 1.1 Introduction—PCM3793A/94A ...........................................[...]

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    A.2 Interfacing to DSPs ............................................................................................... 98 A.2.1 Register Control with DSP Interface ................................................................... 99 A.3 Package Information ..........................................................................................[...]

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    List of Figures 1-1 PCM3793A Pin Assignments ............................................................................................. 14 1-2 PCM3794A Pin Assignments ............................................................................................. 14 1-3 DEM-DAI3793A/3794A EVM System Diagram ........................................[...]

  • Страница 6

    6-2 PCM3793A DEM-PCM3793RHB-A (Daughter Card #1) .............................................................. 65 6-3 PCM3793A DEM-PCM3793RHB-A Board Layout—Silkscreen Side ................................................ 66 6-4 PCM3793A DEM-PCM3793RHB-A Board Layout—Component Side .............................................. 67 6-5 PCM3793A[...]

  • Страница 7

    List of Tables 1-1 PCM3793A/94A Terminal Functions ..................................................................................... 14 3-1 Register Mapping for Power Up/Down Module ......................................................................... 24 3-2 PCM3793A/94A Resistor 125(7dh) RES[4:0]: Resistor Value Control ...................[...]

  • Страница 8

    SYS-2722, PSIA-2722 are registered trademarks of Audio Precision, Inc. SPI is a trademark of Motorola, Inc. I 2 S, I 2 C are trademarks of NXP Semiconductors. TOSLINK is a trademark of Toshiba Corporation. All other trademarks are the property of their respective owners. List of Tables 8 SBAU127 – July 2007 Submit Documentation Feedback[...]

  • Страница 9

    Preface SBAU127 – July 2007 Read This First About This Manual This document provides the information needed to set up and operate the DEM-DAI3793A/3794A EVM evaluation module, a test platform for the 16-bit, low-power PCM3793A / PCM3794A stereo audio codecs. For a more detailed description of the PCM3793A/94A products, please refer to the product[...]

  • Страница 10

    www.ti.com Related Documentation From Texas Instruments Related Documentation From Texas Instruments The following documents provide information regarding Texas Instruments integrated circuits used in the assembly of the DEM-DAI3793A/3794A EVM. These documents are available from the TI web site . The last character of the literature number correspo[...]

  • Страница 11

    Chapter 1 SBAU127 – July 2007 Description The DEM-DAI3793A/3794A EVM is a complete evaluation platform for the PCM3793A / PCM3794A 16-bit, low-power stereo audio codec with microphone bias, headphone, and digital speaker. All necessary connectors and circuitry are provided for interfacing to audio test systems and commercial audio equipment. Topi[...]

  • Страница 12

    www.ti.com 1.1 Introduction—PCM3793A/94A 1.1.1 Key Features Introduction—PCM3793A/94A The PCM3793A/94A is a low-power stereo codec designed for portable digital audio applications. The device integrates a stereo digital speaker amplifier, headphone amplifier, line amplifier, line input, boost amplifier, microphone bias, programmable gain contro[...]

  • Страница 13

    www.ti.com Introduction—PCM3793A/94A blank • Programmable Function by Register Control: – Digital attenuation of DAC: 0dB to –62dB – Digital gain of DAC: 0dB, 6dB, 12dB, 18dB – Power up/down control for each module – 6dB to –70dB gain for analog outputs – 30dB to –12dB gain for analog inputs – 0dB/20dB selectable for microphon[...]

  • Страница 14

    www.ti.com 1.2 Pin Assignments and Terminal Functions HPOR/LOR AIN2L BCK AIN2R 24 1 23 2 22 3 21 4 20 5 19 6 18 7 17 8 16 25 15 26 14 27 13 28 12 29 1 1 30 10 31 9 32 SPOLP AIN3L SPOLN AIN3R PGND MICB V P A V C C SPORP AGND SPORN V COM HPCOM/MONO HPOL/LOL PCM3793ARHB (TOPVIEW) AIN1R DIN AIN1L DOUT MODE V IO MS/ADR V DD MD/SDA DGND MC/SCL SCKI LR[...]

  • Страница 15

    www.ti.com 1.3 DEM-DAI3793A/3794A EVM Description DEM-DAI3793A/3794A EVM Description Table 1-1. PCM3793A/94A Terminal Functions (continued) TERMINAL NAME PCM3793ARHB PCM3794ARHB I/O DESCRIPTION SCKI 7 7 I System clock SPOLN 14 – O Speaker output L-channel for negative (PCM3793A only) SPOLP 15 – O Speaker output L-channel for positive (PCM3793A [...]

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    Description 16 SBAU127 – July 2007 Submit Documentation Feedback[...]

  • Страница 17

    Chapter 2 SBAU127 – July 2007 Getting Started This chapter provides information regarding DEM-DAI3793A/3794A EVM handling and unpacking, absolute operating conditions, and a description of the factory default switch and jumper configuration. Topic .................................................................................................. P[...]

  • Страница 18

    www.ti.com 2.1 Electrostatic Discharge Warning 2.2 Unpacking the EVM Electrostatic Discharge Warning Many of the components on the DEM-DAI3793A/3794A EVM are susceptible to damage by electrostatic discharge (ESD). Customers are advised to observe proper ESD handling precautions when unpacking and handling the EVM, including the use of a grounded wr[...]

  • Страница 19

    www.ti.com 2.3 Default Configuration Default Configuration Figure 2-1 and Figure 2-2 illustrate the default EVM configuration and the default external equipment connection configuration, respectively. Figure 2-1. EVM Configuration SBAU127 – July 2007 Getting Started 19 Submit Documentation Feedback[...]

  • Страница 20

    www.ti.com Default Configuration Figure 2-2. EVM and External Equipment Connections The factory default configuration for the DEM-DAI3793A/3794A EVM is listed below. Motherboard: • CN101, CN102: Connect dc power supply positive lead (+) to CN101 and negative lead (–) to CN102 • SW301: Set Opt or Coax output for the proper cable connection Dau[...]

  • Страница 21

    Chapter 3 SBAU127 – July 2007 Set-Up Guide This chapter discusses how to set up the DEM-DAI3793A/3794A EVM and describes the EVM software. Topic .................................................................................................. Page 3.1 Basic Operating Set-Up ............................................................. 22 3.2 Sof[...]

  • Страница 22

    www.ti.com 3.1 Basic Operating Set-Up 3.2 Software Control and Operation 3.2.1 User Interface Panel Basic Operating Set-Up Follow these steps to set up the DEM-DAI3793A/3794A EVM for operation. Step 1. When using the kit for the first time, install the TUSB3410 VCP (Virtual COM Port) driver to the host PC. To install the driver, refer to the Virtua[...]

  • Страница 23

    www.ti.com 3.2.2 Power On/Off Sequence 3.2.3 Module Function Controls Software Control and Operation Check to see that a Ready notation appears in the lower left-hand corner after successful I 2 C communication is established. Otherwise, you will see an error box showing a communication error (as shown in Figure 3-2 ). Figure 3-2. Communication Err[...]

  • Страница 24

    www.ti.com 3.2.3.1 Power Up/Down Software Control and Operation This menu (shown in Figure 3-4 ) allows users to manually power up or power down each module. Click the appropriate checkboxes to power up or power down a specific module. Table 3-1 shows the register mapping for each module setting. Abbreviations such as DAL/DAR , MXL/MXR , and ADL/AD[...]

  • Страница 25

    www.ti.com Power Up/Down Time (ms) Options Power Up/Down Time (ms) Options It is possible to select the V COM ramp up/down time from GND level to a common voltage level or vice-versa by choosing a V COM capacitor value and time by choosing one of the available checkboxes. A 4.7 μ F V COM capacitor is chosen as the default setting (this capacitor i[...]

  • Страница 26

    www.ti.com 3.2.3.2 Record Power Up/Down Time (ms) Options Figure 3-5. Ramp Up Wave Form with Default Figure 3-6. Ramp Down Wave Form with Setting Default Setting Figure 3-7 shows the Record function tab options. Figure 3-7. Record Function Menu Tab 26 Set-Up Guide SBAU127 – July 2007 Submit Documentation Feedback[...]

  • Страница 27

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 28

    www.ti.com 3.2.3.3 Playback Digital Out Mute Control Options The Playback function is shown in Figure 3-9 . Figure 3-9. Playback Function Menu Tab 28 Set-Up Guide SBAU127 – July 2007 Submit Documentation Feedback[...]

  • Страница 29

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 30

    www.ti.com 3.2.3.4 ALC (Automatic Level Control) OutputAmplitude InputAmplitude Compression ( 2dB, 6dB, 12dB) --- Expansion (0dB,+6dB,+14dB,+24dB) 0dB 0dB Digital Attenuation (ATP) Options Digital Attenuation (ATP) Options Move the L-ch and R-ch sliders to adjust the gain of the incoming digital signals prior to conversion by the DAC[...]

  • Страница 31

    www.ti.com 3.2.3.5 Signal Processing I 15 10 5 0 5 10 15 - - - Amplitude(dB) 10 100 1k 10k 100k Frequency(Hz) Source Options Figure 3-13 illustrates the Signal Processing 1 function menu tab. Figure 3-13. Signal Processing 1 Function Menu Tab Source Options Select the Source input to choose either the audio processing unit digital input (DAC)[...]

  • Страница 32

    www.ti.com 3D Effect Options 3D Effect Options By implementing a 3D effect in this option box, the PCM3793A is enabled to provide 3D sound to the headphone and speaker outputs with low power consumption during either ADC or DAC operation. Check the 3D effect , then select an Effect type and an Efficiency drop-down menu to obtain the desired 3D enha[...]

  • Страница 33

    www.ti.com Amplitude(dB) Frequency(Hz) 0dB - 3dB f :CenterFrequency c f :BandwidthFrequency b Notch Filter 1 Coefficient, Notch Filter 2 Coefficient Options Figure 3-15 illustrates the notch filter characteristic. All users can select any frequencies that can be used by the application system based on the notch filter coefficient [...]

  • Страница 34

    www.ti.com 3.2.3.6 Signal Processing 2 DAC Oversampling Control Options The Signal Processing 2 Function menu tab is shown in Figure 3-17 . Figure 3-17. Signal Processing 2 Function Menu Tab DAC Oversampling Control Options Select the DAC oversampling control menu to determine the DAC oversampling rate. The oversampling control can be set to either[...]

  • Страница 35

    www.ti.com 3.2.3.7 Analog Path High-Pass Filter Options Figure 3-18 shows the Analog Path Function menu. Figure 3-18. Analog Path Function Menu Tab SBAU127 – July 2007 Set-Up Guide 35 Submit Documentation Feedback[...]

  • Страница 36

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 37

    www.ti.com 3.2.3.8 Audio Interface PG5 Gain and PG6 Gain Options PG5 Gain and PG6 Gain Options PG5 gain (for the left channel) or PG6 (for the right channel) can be adjusted from the available drop-down menu. Figure 3-20 shows the Audio Interface Function menu. Figure 3-20. Audio Interface Function Menu Tab Audio Interface Setting 1 Options Use thi[...]

  • Страница 38

    www.ti.com 3.2.3.9 Status Detect HP Detection Options The Status Detect function is shown in Figure 3-21 . Figure 3-21. Status Detect Function Menu Tab HP Detection Options Use this section of the menu to enable or disable the HP insertion detection process. You can also the HDTI pin logical polarity using the drop-down list box. HP COM Short Detec[...]

  • Страница 39

    www.ti.com 3.2.3.10 Digital Amplifier 3.2.4 LC89052T (DIR: Digital Audio I/F Receiver) Control Window 3.2.4.1 Audio Clock/Data Control Options Speaker Short Detection, L-Ch; Speaker Short Detection, R-Ch Figure 3-22 shows the Digital Amplifier function. Figure 3-22. Digital Amplifier Function Menu Tab Setting the operating speed of the Class-D spea[...]

  • Страница 40

    www.ti.com 3.2.5 Register Setting History Speaker Short Detection, L-Ch; Speaker Short Detection, R-Ch When any checkboxes are selected on any tab of the software GUI (including power up/down operation, corresponding resistor address, and so forth), the register value is automatically written into the register setting history panel. These parameter[...]

  • Страница 41

    www.ti.com 3.2.5.1 Modifying a .csv File Speaker Short Detection, L-Ch; Speaker Short Detection, R-Ch The .csv file stores a sequence of register settings for the PCM3793A. To load a given register setting, it should be written in hex code, as shown in Figure 3-25 ; use the left row for resistor addresses and the right row for resistor values. Figu[...]

  • Страница 42

    www.ti.com 3.2.6 Register Direct Access Speaker Short Detection, L-Ch; Speaker Short Detection, R-Ch Figure 3-26 illustrates the register direct access dialog. Read function: The Read function is only available in I 2 C mode. The register value can be read in I 2 C mode. To read the value, enter the Address number (in hex code format) in the left b[...]

  • Страница 43

    Chapter 4 SBAU127 – July 2007 Switches and Connectors This chapter reviews the DEM-DAI3793A/3794A EVM switch and jumper configuration. Topic .................................................................................................. Page 4.1 Overview .................................................................................. 44 4.2 [...]

  • Страница 44

    www.ti.com 4.1 Overview 4.2 Motherboard Overview Figure 4-1 shows the location of the switches and connectors on the EVM board. Note: Silkscreen symbol CN320 is not printed on the motherboard, but it is located in the position described. Figure 4-1. EVM Configuration Table 4-1 through Table 4-4 list the connector references for the DEM-DAI3793A/379[...]

  • Страница 45

    www.ti.com Motherboard Table 4-3. Audio I/O Connectors Audio I/O Pins CN108 Analog audio input for AIN3L CN109 Analog audio input for AIN3R CN110 Analog audio output for HPOL/LOL CN111 Analog audio output for HPOR/LOR CN112 Analog audio output for HPCOM/MONO CN113 Not used CN114 Analog audio input for AIN1L/AIN2L (Selected by JP12:1-2 for AIN1L, 2-[...]

  • Страница 46

    www.ti.com 4.3 Daughter Card #1 (PCM3793A) AINL Connectedto CN114ofmotherboard Connectedto CN115ofmotherboard Connectedto CN108ofmotherboard Connectedto CN109ofmotherboard AINL AINR R-Ch JP10 JP11 JP8 JP9 JP12 JP13 J2 (Monomic) PCM3793A AIN1L AIN2L AIN1R AIN2R AIN3L AIN3R 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 AI[...]

  • Страница 47

    www.ti.com Connectedto CN112ofmotherboard Connectedto CN110ofmotherboard Connectedto CN111ofmotherboard J5 HPOUT(Cap-less) MONO LINEOUT (L -Ch) LINEOUT (R-Ch) SPOLN SPOLP SPORN SPORP HPCOM/MONO HPOR/L OR HPOL/L OL J6 HPOUT J4 SPOUT(R-Ch) J3 SPOUT(L -Ch) PCM3793A Daughter Card #1 (PCM3793A) Figure 4-3. Analo[...]

  • Страница 48

    www.ti.com 4.4 Daughter Card #2 (DIR: LC89052T and DIT: DIT4096) Daughter Card #2 (DIR: LC89052T and DIT: DIT4096) Table 4-6 lists the connector references for the second DEM-DAI3793A/3794A EVM daughter card. Table 4-6. Analog Input and Output—Daughter Card #2 Connectors Analog Input and Output of Daughter Card #2 SW001 Toggle switch. Opt/Coax se[...]

  • Страница 49

    Chapter 5 SBAU127 – July 2007 Evaluation and Measurements This chapter discusses how to set up jumpers on the DEM-DAI3793A/3794A EVM motherboard for performance evaluation using the Audio Precision SYS-2722 ® or PSIA-2722 ® audio analyzers. The process of measuring dynamic characteristics is then presented, along with example characteristic dat[...]

  • Страница 50

    www.ti.com 5.1 Slave Mode With Audio Precision SYS-2722 (Default Setting) SCKI BCK LRCK DOUT DIN DAC DIR:LC89052T ADC PCM3793A Daughtercard#2 Daughtercard#1 DIT :DIT4096 U302 CN302 U301 CN301 SW301 SW001 Clock Manager AudioInterface Slave Mode With Audio Precision SYS-2722 (Default Setting) These jumper configurations for the D[...]

  • Страница 51

    www.ti.com Shortplug Shortplug Allopen Allshort Shortplug Shortplug CN305 CN307 T -SCLK GND T -BCK T -SCK T -LRCK T -BCK TX -DA T A T -LRCK E-SCLK TX -DA T A R-SCLK R-SCLK R-BCK R-BCK R-LRCK R-LRCK RX -DA T A RX -DA T A E-SCK SCK T -SCLK BCK T -BCK fromU003(DIR:LC89052T)onDaughterCard#2 fromU003(DIR:L[...]

  • Страница 52

    www.ti.com 5.2 Master Mode with Audio Precision SYS-2722 SCKI BCK LRCK DOUT DIN DAC DIR:LC89052T ADC PCM3793A Daughtercard#2 Daughtercard#1 DIT :DIT4096 U302 CN302 U301 CN301 SW301 SW001 Clock Manager AudioInterface Isolatedby CN305 Master Mode with Audio Precision SYS-2722 To enable the DEM-DAI3793A/3794A EVM motherboard fo[...]

  • Страница 53

    www.ti.com Shortplug Shortplug Shortplug Allopen Shortplug CN305 CN307 T -SCLK GND T -BCK T -SCK T -LRCK T -BCK TX -DA T A T -LRCK E-SCLK TX -DA T A R-SCLK R-SCLK R-BCK R-BCK R-LRCK R-LRCK RX -DA T A RX -DA T A E-SCK SCK T -SCLK BCK T -BCK fromU003(DIR:LC89052T)onDaughterCard#2 fromU003(DIR:LC89052T)o[...]

  • Страница 54

    www.ti.com 5.3 Combined Master and Slave Modes With PSIA-2722 SCKI BCK LRCK DOUT DIN DAC ADC PCM3793A Daughtercard#1 Clock Manager AudioInterface PSIA-2722 Slave Master Master Slave Combined Master and Slave Modes With PSIA-2722 As shown in Figure 5-5 , the DEM-DAI3793A/3794A EVM can provide evaluation for both slave and master modes of th[...]

  • Страница 55

    www.ti.com Shortplug Shortplug Shortplug Shortplug Allopen CN305 CN307 T -SCLK GND T -BCK T -SCK T -LRCK T -BCK TX -DA T A T -LRCK E-SCLK TX -DA T A R-SCLK R-SCLK R-BCK R-BCK R-LRCK R-LRCK RX -DA T A RX -DA T A E-SCK SCK T -SCLK BCK T -BCK fromU003(DIR:LC89052T)onDaughterCard#2 fromU003(DIR:LC89052T)o[...]

  • Страница 56

    www.ti.com 5.4.1 Digital-to-Analog (D/A) Performance Measurements for Dynamic Characteristics Measurement path: 01.Line Output and Headphone Output csv file: 01_DAC_Line_Output_and_Headphone_Output.csv Table 5-1. D/A Line Output Parameters Power Supply Parameter Filter Setting R L (k Ω ) LOL LOR 3.3V THD+N (0dBFS at 1kHz) 400Hz—20kHz AES-17 10 [...]

  • Страница 57

    www.ti.com 5.4.2 Analog-to-Digital (A/D) Performance 5.4.3 Speaker Output Power Performance Measurements for Dynamic Characteristics Measurement path: 17.Line Input (AIN3L/AIN3R) csv file: 17_ADC_Line_Input.csv Table 5-3. A/D Line Input Parameters Power Supply Parameter Filter Setting Left Channel Right Channel 3.3V THD+N ( –1dB at 1kHz) 400Hz—[...]

  • Страница 58

    www.ti.com 5.4.3.1 LC Low-Pass Filter Note(1):SameconfigurationatSPORN/SPORP SPOL SPOR J3 J4 SnubberCircuit LCLPF SPOLN SPOLP L122 H m L222 H m C11 2.2 F m C12 2.2 F m C9 0.82 F m C8 0.82 F m R6 330 W R5 330 W R 8 L W Audio Analyzer Differential Input J3 TP2 TP1 + - f = C » 37.5[kHz] 2 p ´ ´ LC 1 (1) Measurements fo[...]

  • Страница 59

    www.ti.com 5.4.4 Amplitude Versus Frequency Performance 5.4.4.1 A/D Spectrum 0 20 40 60 80 100 120 140 - - - - - - - Amplitude(dB) AMPLITUDEvsFREQUENCY 0 5 10 15 20 Frequency(kHz) BPZ(ZeroData)Input 0 20 40 60 80 100 120 140 - - - - - - - Amplitude(dB) AMPLITUDEvsFREQUENCY 0 5 10 15 20 Frequency(kHz) - 60dBInput [...]

  • Страница 60

    www.ti.com 5.4.4.2 D/A Spectrum 0 20 40 60 80 100 120 140 - - - - - - - Amplitude(dB) AMPLITUDEvsFREQUENCY 0 5 10 15 20 Frequency(kHz) BPZ(ZeroData)Input 0 20 40 60 80 100 120 140 - - - - - - - Amplitude(dB) AMPLITUDEvsFREQUENCY 0 5 10 15 20 Frequency(kHz) - 60dBInput 0 20 40 60 80 100 120 140 - - - - - - - Ampli[...]

  • Страница 61

    www.ti.com 5.5 Connection Diagram for Practical Applications C 7 Stereo Headphone R 2 C 1 C 2 C 3 C 4 C 5 C 6 Lo w o r H igh R 1 R 4 SCKI (7) BCK(1) LRCK (32) DIN(2) DOUT (3) MO DE (28 ) MS/ADR ( 29) MD/SDA ( 30) MC/SCL ( 31) V COM (18) (11) SPORP (10) SPORN (8)HDTI (16) HPOR/ LOR AIN1L ( 27) AIN1R (2 6) AIN2L ( 25) AIN2R (2 4) AIN3L ( 23)[...]

  • Страница 62

    www.ti.com 5.5.1 Filter Consideration for Speaker Output SPOLP/ SPORP SPOLN/ SPORN B 1 B 2 C 15 C 16 HDTI V CC + + HPOL HPOR PGND HPCOM HP Jack HDTI HPOL HPOR PGND HPCOM HP Jack ConventionalMode CaplessMode V CC Connection Diagram for Practical Applications For a practical application such as a portable audio player or cellular phone, a ferri[...]

  • Страница 63

    Chapter 6 SBAU127 – July 2007 Schematic, PCB Layout, and Bill of Materials This chapter provides the electrical and physical layout information for the DEM-DAI3793A/3794A EVM. The bill of materials is included for component and manufacturer reference. Topic ..........................................................................................[...]

  • Страница 64

    www.ti.com 6.1 Schematics Schematics Figure 6-1 and Figure 6-2 illustrate the schematics for the DEM-DAI3793A/3794A EVM. Figure 6-1. PCM3793A DEM-PCM3793RHB-A Connector (Daughter Card #1) 64 Schematic, PCB Layout, and Bill of Materials SBAU127 – July 2007 Submit Documentation Feedback[...]

  • Страница 65

    www.ti.com Schematics Figure 6-2. PCM3793A DEM-PCM3793RHB-A (Daughter Card #1) SBAU127 – July 2007 Schematic, PCB Layout, and Bill of Materials 65 Submit Documentation Feedback[...]

  • Страница 66

    www.ti.com 6.2 Printed Circuit Board Layout Printed Circuit Board Layout Figure 6-3 through Figure 6-7 illustrate the printed circuit board (PCB) layout for the DEM-DAI3793A/3794A EVM. Note: Board layouts are not to scale. These figures are intended to show how the board is laid out; they are not intended to be used for manufacturing DEM-DAI3793A/3[...]

  • Страница 67

    www.ti.com Printed Circuit Board Layout Figure 6-4. PCM3793A DEM-PCM3793RHB-A Board Layout—Component Side SBAU127 – July 2007 Schematic, PCB Layout, and Bill of Materials 67 Submit Documentation Feedback[...]

  • Страница 68

    www.ti.com Printed Circuit Board Layout Figure 6-5. PCM3793A DEM-PCM3793RHB-A Board Layout—Inner Layer 2 68 Schematic, PCB Layout, and Bill of Materials SBAU127 – July 2007 Submit Documentation Feedback[...]

  • Страница 69

    www.ti.com Printed Circuit Board Layout Figure 6-6. PCM3793A DEM-PCM3793RHB-A Board Layout—Inner Layer 3 SBAU127 – July 2007 Schematic, PCB Layout, and Bill of Materials 69 Submit Documentation Feedback[...]

  • Страница 70

    www.ti.com Printed Circuit Board Layout Figure 6-7. PCM3793A DEM-PCM3793RHB-A Board Layout—Solder Side Schematic, PCB Layout, and Bill of Materials 70 SBAU127 – July 2007 Submit Documentation Feedback[...]

  • Страница 71

    www.ti.com 6.3 Component List Component List Table 6-1 lists the Bill of Materials for the DEM-DAI3793A/3794A EVM. Table 6-1. Bill of Materials RefDes Count Description Part Number MFR R3, R5, R6, R7, 5 330 Ω CF1/4C-33 Ω J KOA R8 CP1—CP4 4 0.1 μ F GRM188F5E104ZA01D Murata 1 C8, C9, C13, C14 4 0.82 μ F ECQV1H824J Nissei R4 1 100k Ω , CF1/4[...]

  • Страница 72

    Schematic, PCB Layout, and Bill of Materials 72 SBAU127 – July 2007 Submit Documentation Feedback[...]

  • Страница 73

    Appendix A SBAU127 – July 2007 Reference .csv Files, Interfacing to DSPs, and Package Information Topic .................................................................................................. Page A.1 Reference .csv Files .................................................................. 74 A.2 Interfacing to DSPs .....................[...]

  • Страница 74

    www.ti.com A.1 Reference .csv Files Reference .csv Files The .csv files are bundled with the DEM-DAI3793A/3794A EVM Controller. These files enable users to execute register settings corresponding to the specific operating modes discussed in the product data sheet by importing them into the software. Note that each .csv file (listed in Table A-1 ) m[...]

  • Страница 75

    www.ti.com A Related Signal Flow Diagrams V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB [...]

  • Страница 76

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 77

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

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    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 79

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

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    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

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    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 82

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 83

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

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    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 85

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 86

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 87

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 88

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 89

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 90

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 91

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 92

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 93

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 94

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 95

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 96

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 97

    www.ti.com V COM AIN3L AIN2L AIN1L AIN2R AIN3R AIN1R MICB DS ADC BCK DIN DOUT LRCK MS/ ADR MC/ SCL MD/ SDA MODE SerialInterface(SPI/I C) 2 SCKI AudioInterface V P A PGND V CC AGND V DD DGND HPOL/ LOL HPOR/ LOR SPOLP SPOLN SPORP SPORN HDTI MUX1 DAL ADL DAR HPCOM/ MONO COM HPR HPL HPC LOUT ROUT +30dBto 12dB - +30dBto 12dB - PG5 V IO MO[...]

  • Страница 98

    www.ti.com A.2 Interfacing to DSPs DSP SCKI BCK LRCK DOUT PCM3793A AudioInterface Clock Manager ADC DAC DSP SCKI BCK LRCK DOUT PCM3793A AudioInterface Clock Manager ADC DAC Interfacing to DSPs Refer to the following examples for interfacing the PCM3793A to a digital signal processor (DSP) in either slave or master mode. To implement master mo[...]

  • Страница 99

    www.ti.com A.2.1 Register Control with DSP Interface A.3 Package Information Package Information Table A-2 summarizes the recommended power-on sequence for the PCM3793A. The shaded cells within the table indicate specific register settings that must be configured for the device to properly operate with a DSP interface. Table A-2. Recommended Power-[...]

  • Страница 100

    EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling th[...]

  • Страница 101

    IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders[...]