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Texas Instruments SLEU056 manual

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Table of contents for the manual

  • Page 1

    T AS5010−5112F2EVM Evaluation Module for the T AS5010 D igital Audio PWM P r ocessor and the T AS5112ADFD Digital Audio PWM Power O utput S tage June 2004 DA V Digital Audio/Speaker User ’ s G uide SLEU056[...]

  • Page 2

    IMPORT ANT NOTICE T exas 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 orde[...]

  • Page 3

    EVM IMPORT ANT NOTICE T exas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EV ALUA TION PURPOSES ONL Y and is not considered by TI to be fit for commercial use. As such, the goods being provided may not be complete in terms of[...]

  • Page 4

    EVM W ARNINGS AND RESTRICTIONS It is important to operate this EVM within the input voltage range of 0 V to 29.5 V for the output stage and 15 V to 20 V for the system supply . Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are questions concerning the input range, please contact a[...]

  • Page 5

    Information About Cautions and W arnings iii Preface Read This First About This Manual This manual describes the operation of the T AS5010−51 12F2EVM evaluation module from T exas Instruments. How to Use This Manual This document contains the following chapters: - Chapter 1 – Overview - Chapter 2 – Detailed Description of the EVM Board - Chap[...]

  • Page 6

    T rademarks iv The information in a caution or a warning is provided for your protection. Please read each caution and warning carefully . Related Documentation From T exas Instruments The following table contains a list of data manuals that have detailed descriptions of the integrated circuits used in the design of the T AS5010−51 12F2EVM. The d[...]

  • Page 7

    Contents v Contents 1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 T AS5010−51 12F2EVM Features 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Detailed Description of the EVM 2-1 . . [...]

  • Page 8

    Contents vi Figures 1−1 Simplified T AS5010−51 12F2EVM Block Diagram 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2−1 Board Outline With Connectors, Switches, Jumpers, and Indicators 2-2 . . . . . . . . . . . . . . . . . . 2−2 Physical Structure for the T AS5010−51 12F2EVM 2-2 . . . . . . . . . . . . . . . . . .[...]

  • Page 9

    1-1 Introduction Introduction The T AS5010−51 12F2EVM PurePath Digital t customer evaluation module demonstrates two integrated circuits, the T AS5010 and T AS51 12ADFD from T exas Instruments. The T AS5010 is a high performance 24-bit stereo digital modulator based on Equibit t technology . This IC converts input PCM serial digital audio data to[...]

  • Page 10

    T AS5010−51 12F2EVM Features 1-2 1.1 T AS5010−51 12F2EVM Features - PurePath Digital ™ reference design (double-sided plated-through PCB layout) - S/PDIF receiver with coaxial and optical input (sampling rate = 32 kHz – 192 kHz) - I 2 S audio interface (sampling rate: 32 kHz – 96 kHz) - On-board volume control - Auto-mute function - Self-[...]

  • Page 11

    T AS5010−51 12F2EVM Features 1-3 Introduction The T AS3002 IC from T exas Instruments is used as digital audio processor (DAP). All features in the DAP can be controlled through the I 2 S interface. Adjustment of the sound level can be executed through the I 2 C bus and with two push buttons on the EVM board. During power up, the T AS3002 setting[...]

  • Page 12

    1-4[...]

  • Page 13

    2-1 Detailed Description of the EVM Detailed Description of the EVM This chapter describes the T AS5010−51 12F2EVM board in regards to board layout, jumpers, switches, buttons, and connectors. T opic Page 2.1 Board Overview 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2 Description of Jumper [...]

  • Page 14

    Board Overview 2-2 2.1 Board Overview Figure 2−1. Board Outline With Connectors, Switches, Jumpers, and Indicators J101 J100 J300 J540 J541 J581 J580 S32 0 S341 S340 J170 J160 S10 0 JMP120 JMP130 JMP360 S620 S240 RESET MUTE S/PDIF Digital Audio Optical/T oslink Input A/D−Converter Output D/A−Converter Input S/PDIF Digital Audio Coaxial/RCA In[...]

  • Page 15

    Description of Jumper Settings 2-3 Detailed Description of the EVM 2.2 Description of Jumper Settings There are three jumpers on the EVM board (J400 is an I 2 S interface) 2.2.1 Double-Speed Control (JMP120) JMP120 i s used to set the double-speed pin at T AS 5010 (DBSPD, pin 39). The T AS5010 is operating in single-speed mode if the DBSPD pin is a[...]

  • Page 16

    Default Jumper Positioins 2-4 2.3 Default Jumper Positioins Default jumper positions are marked with a grey rectangle in Figure 2−3. Figure 2−3. Default Jumper Positions J101 J100 J300 J540 J541 J581 J580 J170 J160 + − + − J600 JMP120 JMP130 JMP360 2.4 Description of Connectors 2.4.1 S/PDIF Digital Audio Coaxial/RCA Input (J100) The RCA con[...]

  • Page 17

    Description of Connectors 2-5 Detailed Description of the EVM T able 2−1. Description of J160 and J170 Pin No. Description Analog Input Connector (J160) 1 Left Channel Input 2 Ground 3 Right Channel Input Analog Output Connector (J170) 1 Left Channel output 2 Ground 3 Right Channel Output 2.4.4 PC and I 2 C Interface (J300) Th e PC interface usin[...]

  • Page 18

    Description of Connectors 2-6 2.4.5 Loudspeaker Connectors (J540, J541, J580, and J581) Al l speaker connectors accept standard 4 mm plugs. Use of high quality plugs and speaker cable are recommended. T able 2−3. Description of Loudspeaker Connectors Reference Designator Description J540 Left speaker positive output terminal J541 Left speaker neg[...]

  • Page 19

    Description of Switches and Buttons 2-7 Detailed Description of the EVM 2.5 Description of Switches and Buttons 2.5.1 S/PDIF Input Selector Switch (S100) S100 switches between optical and coaxial S/PDIF input. When the lever is pressed in the direction of J101, the optical S/PDIF input is selected. When the lever is pressed in the direction of J100[...]

  • Page 20

    Description of Indicators 2-8 2.6 Description of Indicators 2.6.1 Power LED (LED223) The green LED indicates that the control circuitry at the T AS5010−51 12F2EVM board is powered on. 2.6.2 No S/PDIF Input LED (LED222) The yellow LED indicates that the S/PDIF input signal is missing or it does not contain valid audio data. Reasons to have a No S/[...]

  • Page 21

    3-1 EVM Board Operation EVM Board Operation This chapter describes the T AS5010−51 12F2EVM board operation. T opic Page 3.1 Power Supply 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 Setup the T AS5010-51 12F2EVM With the S/PDIF Input 3-3 . . . . . . . . . . . . 3.3 Setup the T AS5010-51[...]

  • Page 22

    Power Supply 3-2 3.1 Power Supply The T AS5010−51 12F2EVM can be powered from one or two external power supplies. High-end audio performance requires a stabilized power supply with low ripple voltage and low output impedance. Note: The length of the power supply cable must be minimized. Increasing the length of the PSU cable is equal to increasin[...]

  • Page 23

    Setup the T AS5010−51 12F2EVM With the S/PDIF Input 3-3 EVM Board Operation 3.2 Setup the T AS5010−51 12F2EVM With the S/PDIF Input Connect the EVM board as shown in Figure 3−2. Select between coaxial or optical input signal at the input selector switch (S100). Press th e l ever at S320 in the direction of U360 if the T AS3002 DAP is wanted i[...]

  • Page 24

    Setup the T AS5010−51 12F2EVM With the Analog Line Input 3-4 3.2.1 Start-up Sequence 1) Turn on the power supply/supplies. Follow the power-up and power-down sequence described in the Power Supply section. Observe that the green Power ON LED and the yellow No S/PDIF LED are lit. 2) Ru n the DCT software from the PC desktop if the DAP is activated[...]

  • Page 25

    4-1 Hints for Measurement of Performance Hints for Measurement of Performance Read the Digital Audio Measurements application note (SLAA1 14) for an introduction to measurements on true digital audio amplifiers. Y ou are welcome to use the audio precision test files available on the PurePath Digital ™ amplifier CD-ROM. Note that an AES17 filter i[...]

  • Page 26

    4-2[...]