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User's Guide

SLOU190 – October 2006

TPA3107D2 Audio Power Amplifier Evaluation Module

With LC Filter

This document provides an overview of the Texas Instruments (TI) TPA3107D2 audio

amplifier evaluation module. It includes a list of EVM features, a brief illustrated

description of the module, and a list of EVM specifications.

Contents

1 Introduction .......................................................................................... 2

2 Operation ............................................................................................ 3

3 TPA3107D2 EVM Schematic ..................................................................... 5

4 TPA3107D2 EVM PCB Layers ................................................................... 6

5 TPA3107D2 EVM Parts List ....................................................................... 9

List of Figures

1 TI TPA3107D2 Audio Power Amplifier EVM – Top View ...................................... 2

2 TI TPA3107D2 Audio Power Amplifier EVM – Bottom View .................................. 2

3 TPA3107D2 EVM Schematic ..................................................................... 5

4 TPA3107D2 EVM – Top Layer ................................................................... 6

5 TPA3107D2 EVM – Silkscreen Layer ............................................................ 7

6 TPA3107D2 EVM – Bottom Layer................................................................ 8

List of Tables

1 Gain Settings ........................................................................................ 4

2 TPA3107D2 EVM Parts List ....................................................................... 9

SLOU190 – October 2006 TPA3107D2 Audio Power Amplifier Evaluation Module With LC Filter 1

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Summary of content (11 pages)

PAGE 1
User's Guide SLOU190 – October 2006 TPA3107D2 Audio Power Amplifier Evaluation Module With LC Filter This document provides an overview of the Texas Instruments (TI) TPA3107D2 audio amplifier evaluation module. It includes a list of EVM features, a brief illustrated description of the module, and a list of EVM specifications. 1 2 3 4 5 Contents Introduction .......................................................................................... Operation ................................................
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www.ti.com Introduction 1 Introduction 1.1 Description The TPA3107D2 evaluation module consists of a single 15-W/channel, 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 a speaker with an external analog audio source as the input. Figure 1. TI TPA3107D2 Audio Power Amplifier EVM – Top View Figure 2.
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www.ti.com Operation 1.2 TPA3107D2 EVM Specifications VCC Supply voltage range ICC Supply current 10 V to 26 V PO Continuous output power per channel, 8 Ω, VCC = 16 V, THD + N = 10% RL Minimum load impedance 4 A max 15 W 6Ω 2 Operation 2.1 Quick Start List for Stand-Alone Operation Follow these steps to use the TPA3107D2 EVM stand-alone or when connecting it into existing circuits or equipment.
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www.ti.com Operation by installing a jumper in the J14 location. Logic levels are TTL compatible. Table 1. Gain Settings GAIN0 (J12) (1) Amplifier Gain (dB) ON ON 20 ON OFF 26 OFF ON 32 OFF OFF 36 GAIN1 (1) (J13) (1) OFF = Jumper removed; ON = Jumper installed 2.1.2.3 Control Outputs 1. FAULT: This pin is a TTL compatible output for reporting a short-circuit fault on the output.
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www.ti.com TPA3107D2 EVM Schematic 3 TPA3107D2 EVM Schematic J5 ROUT- J6 ROUT+ R1 100k VCC C23 C9 0.
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www.ti.com TPA3107D2 EVM PCB Layers 4 TPA3107D2 EVM PCB Layers Figure 4.
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www.ti.com TPA3107D2 EVM PCB Layers Figure 5.
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www.ti.com TPA3107D2 EVM PCB Layers Figure 6.
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www.ti.com TPA3107D2 EVM Parts List 5 TPA3107D2 EVM Parts List Table 2. TPA3107D2 EVM Parts List (1) Size Qty C1 – C4 Ref. Capacitor, ceramic, 0.22µF, ±10%, X7R, 16V 0603 4 TDK C1608X7R1C224KT Digi-key/445-1318-2 C5 Capacitor, ceramic, 0.01µF, ±10%, X7R, 50V 0603 1 TDK C1608X7R1H103KT Digi-key/445-1311-2 C6 – C9 Capacitor, ceramic, 0.1µF, ±10%, X7R, 50V 0603 4 TDK C1608X7R1H104KT Digi-key/445-1314-2 C10 – C14 Capacitor, ceramic, 1.
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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.
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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.