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1 Introduction

1.1 Description

1.2 EVM Specifications

User's Guide

SLOU261 – June 2009

TPA6141A2 EVM

Contents

1 Introduction ................................................................................................................... 1

2 Operation ..................................................................................................................... 2

3 Reference ..................................................................................................................... 3

4 TPA6141A2EVM Bill of Materials .......................................................................................... 5

List of Tables

1 TPA6141A2EVM Bill of Materials .......................................................................................... 5

This section provides an overview of the Texas Instruments (TI) TPA6141A2 DirectPath™ stereo

headphone amplifier evaluation module (EVM). It includes a brief description of the module and a list of

EVM specifications.

The TPA6141A2 is a DirectPath™ stereo headphone amplifier capable of delivering 25 mW/Ch into 16 Ω

and requires no output DC blocking capacitors.

The TPA6141A2 EVM is a complete, stand-alone audio board. It contains the TPA6141A2 WCSP (YFF)

DirectPath™ stereo headphone amplifier. All components are Pb-free.

Supply voltage range, V

2.5 V to 5.5 V

Supply current, I

0.5 A, maximum

Continuous output power, P

, V

= 5 V, 16 Ω , THD+N = 1 % 25 mW

DirectPath is a trademark of Texas Instruments.

SLOU261 – June 2009 TPA6141A2 EVM 1

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Summary of content (7 pages)

PAGE 1
User's Guide SLOU261 – June 2009 TPA6141A2 EVM 1 2 3 4 Contents Introduction ................................................................................................................... Operation ..................................................................................................................... Reference ..................................................................................................................... TPA6141A2EVM Bill of Materials .............................
PAGE 2
Operation 2 www.ti.com Operation This section describes how to operate the TPA6141A2EVM. 2.1 Quick-Start List for Stand-Alone Operation Use the following steps when operating the TPA6141A2EVM stand alone or when connecting the EVM into an existing circuit. 2.1.1 Power and Ground 1. Verify that the external power sources are set to OFF. 2. Set the power supply voltage between 2.5 V and 5.5 V.
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SLOU261 – June 2009 Submit Documentation Feedback JP2 2 1 VDD JP1 2 1 Vdd 2 3 1 1 GND 1.0ufd/16V C4 1.0ufd/16V C3 1.0ufd/16V C2 1.0ufd/16V C5 0805 L1 2 GND 2.2ufd/10V 1 3 J1 2 1 Vdd EN HPVDD SW A4 R6 C9 S1 GND 0.1ufd/16V 1 2 TPA6141A2YFF 100K Vdd D1 D2 B3 A1 D4 C4 B4 A3 C3 B1 A2 C1 B2 C2 D3 C7 1.0ufd/16V 1.0ufd/16V C6 Vdd 2.2ufd/10V C8 0.0 R2 0.0 R1 OUTR OUTL 0.0 GND R5 1 2 DNP GND JP3 1 2 3 5 4 0.5in 0.5in 0.5in 0.
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Reference 3.2 www.ti.
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TPA6141A2EVM Bill of Materials www.ti.com 4 TPA6141A2EVM Bill of Materials Table 1. TPA6141A2EVM Bill of Materials Qty. 6 Reference Description C1, C2, C3, C4, Capacitor, ceramic, 1 µF, 10 V, X5R C5, C6 1 C7 2 C8, C9 7 EN, GND, HPVDD, HPVSS, OUTL, OUTR 2 SND Size 0603 Capacitor, not populated 0603 Capacitor, ceramic, 2.
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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 7
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 and should verify that such information is current and complete.