Texas Instruments TPA6138A2 EVM User Manual Download Page 1

User's Guide

SLOU305A – November 2010 – Revised January 2011

TPA6138A2 EVM

Contents

1

Introduction

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1

2

Operation

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3

3

Reference

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4

4

TPA6138A2EVM Bill of Materials

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6

List of Figures

1

TPA6138EVM Top View

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1

2

TPA6138EVM Bottom View

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2

3

Top Layer

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5

4

Bottom Layer

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5

List of Tables

1

TPA6138A2EVM Bill of Materials

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6

1

Introduction

This section provides an overview of the Texas Instruments (TI) TPA6138A2 DirectPath™ stereo
headphone amplifier evaluation module (EVM). It includes a brief description of the module and a list of
EVM specifications.

Figure 1. TPA6138EVM Top View

DirectPath is a trademark of Texas Instruments.

1

SLOU305A – November 2010 – Revised January 2011

TPA6138A2 EVM

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© 2010–2011, Texas Instruments Incorporated

Summary of Contents for TPA6138A2 EVM

Page 1: ...les 1 TPA6138A2EVM Bill of Materials 6 1 Introduction This section provides an overview of the Texas Instruments TI TPA6138A2 DirectPath stereo headphone amplifier evaluation module EVM It includes a brief description of the module and a list of EVM specifications Figure 1 TPA6138EVM Top View DirectPath is a trademark of Texas Instruments 1 SLOU305A November 2010 Revised January 2011 TPA6138A2 EVM...

Page 2: ...itors The TPA6138A2 EVM is a complete stand alone audio board It contains the TPA6138A2 TSSOP DirectPath stereo headphone amplifier 1 2 EVM Specifications Supply voltage range VDD 3 V to 3 6 V Supply current IDD 0 5 A maximum Continuous output power PO VDD 3 3 V 32 Ω THD N 1 20 mW 2 TPA6138A2 EVM SLOU305A November 2010 Revised January 2011 Submit Documentation Feedback 2010 2011 Texas Instruments ...

Page 3: ...Inputs and Outputs 2 1 2 1 Audio 1 Verify that the audio source is set to the minimum level 2 Connect the audio source to the inputs LIN and RIN Shunt JP1 and JP2 for single ended input 3 Connect a headset or other load to the headphone jack 2 1 2 2 Shutdown Controls 1 Shutdown is controlled by pushbutton S1 Press and hold S1 to place the TPA6138A2 in shutdown Release S1 to reactivate the TPA6138A...

Page 4: ...UTE Orange 30 0K 0603 R20 43 0K 0603 R19 47pfd 50V 0603 C12 1 2 JP3 GND 47pfd 50V 0603 C9 30 0K 0603 R8 GND GND C10 0603 47pfd 50V R10 0603 30 0K GND GND 47pfd 50V 0603 C11 1 2 JP1 GND JP2 2 1 RIN RCA Red 1 2 3 LIN 3 2 1 RCA Black 10ufd 6 3V 0805 C1 1 0ufd 16V 0603 C15 Orange HPL HPOUT 3 5mm Lime Green Left Right Shield 3 5 2 4 1 HPR Orange Black GND GND GND 2 2ufd 50V C3 VSA VSA C4 2 2ufd 50V 2 2...

Page 5: ...m Reference 3 2 TPA6138A2EVM PCB Layers Figure 3 Top Layer Figure 4 Bottom Layer 5 SLOU305A November 2010 Revised January 2011 TPA6138A2 EVM Submit Documentation Feedback 2010 2011 Texas Instruments Incorporated ...

Page 6: ... ERJ 3GEYJ103V R21 RESISTOR SMD0603 10K 5 1 10W ROHS PANASONIC 4 RMCF0603FT15K0 R6 R7 R9 R11 RESISTOR SMD0603 15 0K OHMS 1 1 10W ROHS STACKPOLE ELECTRONICS 4 RC0603FR 0743KL R16 R17 R18 R19 RESISTOR SDM0603 20 0K OHM 1 THICK FILM 1 16W YAGEO ROHS 4 RC0603FR 0730KL R8 R10 R15 R20 RESISTOR SMD0603 THICK FILM 30 0K 1 1 10W ROHS YAGEO 4 RMCF0603JT100K R2 R3 R4 R5 RESISTOR SMD0603 100K OHMS 5 1 10W ROH...

Page 7: ...roduct This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engineer or visit www ti com esh No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products...

Page 8: ...horized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications and acknowledge ...

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