Texas Instruments TPA3120D2 User Manual
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Texas Instruments TPA3120D2 User Manual

Audio power amplifier evm
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TPA3120D2 EVM Schematic
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Top Side Layout
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Bottom Side Layout
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TPA3120D2 EVM Specifications
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TPA3120D2 EVM Bill of Materials
SLOU189A - March 2007 - Revised April 2007
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TPA3120D2 Audio Power Amplifier EVM
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SLOU189A - March 2007 - Revised April 2007
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TPA3120D2 Audio Power Amplifier EVM
User's Guide
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Summary of Contents for Texas Instruments TPA3120D2

  • Page 1: Table Of Contents

    User's Guide SLOU189A – March 2007 – Revised April 2007 TPA3120D2 Audio Power Amplifier EVM Contents ..................Introduction .................... Operation ..............TPA3120D2 EVM Schematic ..............TPA3120D2 EVM PCB Layers ............TPA3120D2 Evaluation Module Parts List List of Figures ............TPA3120D2 Audio Power Amplifier EVM ..............

  • Page 2: Introduction

    Introduction Introduction The TPA3120D2 evaluation module consists of a single 25-W, class-D, stereo audio power amplifier complete with a small number of external components mounted on a circuit board that can be used to directly drive speakers with an external analog audio source as the input.

  • Page 3: Operation

    Vcc falls below the chip UVLO level, which is approximately 8 volts. Table 2. Gain Settings GAIN0 (J1) GAIN1 (J2) Amplifier Gain (dB) SLOU189A – March 2007 – Revised April 2007 TPA3120D2 Audio Power Amplifier EVM Submit Documentation Feedback...

  • Page 4: Tpa3120D2 Evm Schematic

    MMBT3904 MMBT3904 Dl4148 C21 open 10pF 10pF TLV431ACDBZR TLV431ACDBZR R15 open R15 open 0.01uF 0.01uF 4.75K 4.75K 2.49K 2.49K Figure 2. TPA3120D2 EVM Schematic TPA3120D2 Audio Power Amplifier EVM SLOU189A – March 2007 – Revised April 2007 Submit Documentation Feedback...

  • Page 5: Tpa3120D2 Evm Pcb Layers

    TPA3120D2 EVM PCB Layers TPA3120D2 EVM PCB Layers The following illustrations depict the TPA3120D2 EVM PCB layers. Figure 3. Top Side Layout SLOU189A – March 2007 – Revised April 2007 TPA3120D2 Audio Power Amplifier EVM Submit Documentation Feedback...
  • Page 6 TPA3120D2 EVM PCB Layers Figure 4. Bottom Side Layout TPA3120D2 Audio Power Amplifier EVM SLOU189A – March 2007 – Revised April 2007 Submit Documentation Feedback...

  • Page 7: Tpa3120D2 Evaluation Module Parts List

    TPA3120D2 Evaluation Module Parts List TPA3120D2 Evaluation Module Parts List Table 3. TPA3120D2 EVM Bill of Materials Reference Description Size Status Manufacturer Part Number Capacitor, ceramic, 0.1uF, +/-10%, X7R, C1, C7, C14 0603 C1608X7R1H104KT C2, C8, C10, Capacitor, Electrolytic, 470uF, 35 V...
  • Page 8 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 the product(s) must have electronics training and observe good engineering practice standards.

  • Page 9: Important Notice

    TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any non-designated products in automotive applications, TI will not be responsible for any failure to meet such requirements. Following are URLs where you can obtain information on other Texas Instruments products and application solutions: Products...

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