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Texas Instruments TPA6204A1 manual

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Table of contents for the manual

  • Page 1

           August 2004 Mixed-Signal Products User ’ s G uide SLOU167[...]

  • 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 2.5 V to 5.5 V . 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 TI field representative prior to connecting the input powe[...]

  • Page 5

    Information About Cautions and Warnings iii Preface  Information About Cautions and Warnings This book may contain cautions and warnings. This is an example of a caution statement. A caution statement describes a situation that could potentially damage your software or equipment. This is an example of a [...]

  • Page 6

    FCC Warning iv FCC Warning This equipment is intended for use in a laboratory test environment only . It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to subpart J of part 15 of FCC rules, which are designed to provide reasonable protection against radio [...]

  • Page 7

    Contents v  1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Description 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 TP A6[...]

  • Page 8

    Contents vi[...]

  • Page 9

    1-1 Introduction  This chapter provides an overview of the T exas Instruments (TI) TP A6204A1 audio amplifier evaluation module (TP A6204A1EVM). It includes a list of EVM features, a brief illustrated description of the module, and a list of EVM specifications. T opic Page 1.1 Description 1−2 . . . . . . . . . [...]

  • Page 10

    Description 1-2 1.1 Description The TP A6204A1 audio power amplifier evaluation module is a complete, low-power single-channel audio power amplifier . It consists of the TI TP A6204A1 1.7-W low-voltage audio power amplifier IC along with a small number o f other parts mounted on a circuit board that is approximately one and a quarter inches square [...]

  • Page 11

    2-1 Operation  The following section desribes the steps to use the TP A6204A1EVM stand-alone or with existing circuits. Connections can be made directly to the module pins or it can be wired directly into existing circuits or equipment. T opic Page 2.1 Quick Start List for Stand-Alone 2−2 . . . . . . . . . . . . . . . .[...]

  • Page 12

    Quick Start List for Stand-Alone 2-2 2.1 Quick Start List for Stand-Alone 2.1.1 Power Supply 1) Ensure that all external power sources are set to OFF . 2) Connect an external regulated power supply , between 2.5 V and 5.5 V to the module V DD and GND pins, taking care to observe marked polarity . 2.1.2 Inputs and Outputs 1) Ensure that the audio so[...]

  • Page 13

    3-1 Schematic, Parts List, and PCB Layers       This chapter contains the schematic, parts list and the EVM PCB layers. T opic Page 3.1 TP A6204A1 EVM Schematic Diagram 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 TP A6204A1 Audio Power [...]

  • Page 14

    TP A6204A1 EVM Schematic Diagram 3-2 3.1 TP A6204A1 EVM Schematic Diagram Figure 3−1. TP A6204A1 EVM Schematic Diagram C5 0.22 µ F C2 0.22 µ F R3 100 k Ω IN− SHUTDOWN S1 OUT− GND OUT+ R2 20 k Ω C4 10 µ F C3 0.22 µ F SHUTDOWN BYP ASS IN+ IN − V O− GND V DD V O+ GND V DD 2.5 V to 5.5 V + C1 0.22 µ F IN+ R1 20 k Ω V DD 3.2 TP A620[...]

  • Page 15

    TP A6204A1EVM PCB Layers 3-3 Schematic, Parts List, and PCB Layers 3.3 TP A6204A1EVM PCB Layers The following illustrations depict the TP A6204A1EVM PCB layers and silkscreen. These drawings are not to scale. Gerber plots can be obtained from the product folder on www .ti.com under Related Products − Development T ools . Figure 3−2. TP A6204A1 [...]

  • Page 16

    3-4[...]