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User's Guide

SLOU191D–October 2007– Revised May 2011

TPA3106D1 Audio Power Amplifier EVM With LC Filter

Contents

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

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

3 TPA3106D1 EVM Schematic .............................................................................................. 4

4 TPA3106D1 EVM Bill of Material –LC Board ........................................................................... 6

List of Figures

1 The TI TPA3106D1 Audio Power Amplifier EVM – Top View......................................................... 2

2 The TI TPA3106D1 Audio Power Amplifier EVM – Bottom View..................................................... 2

3 TPA3106D1 EVM – Top Side Layout .................................................................................... 5

4 TPA3106D1 EVM – Bottom Side Layout ................................................................................ 5

List of Tables

1 Jumper and Resulting Gain Settings ..................................................................................... 4

2 Bill OF Materials for TPA3106D1EVM ................................................................................... 6

1 Introduction

1.1 Description

The TPA3106D1 evaluation module consists of a single 40 W, class-D, mono 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.

SLOU191D–October 2007–Revised May 2011 TPA3106D1 Audio Power Amplifier EVM With LC Filter

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Summary of content (8 pages)

PAGE 1
User's Guide SLOU191D – October 2007 – Revised May 2011 TPA3106D1 Audio Power Amplifier EVM With LC Filter 1 2 3 4 Contents Introduction .................................................................................................................. Operation ..................................................................................................................... TPA3106D1 EVM Schematic ..............................................................................................
PAGE 2
Introduction www.ti.com Figure 1. The TI TPA3106D1 Audio Power Amplifier EVM – Top View Figure 2.
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Operation www.ti.com 1.2 TPA3106D1 EVM Specifications VCC Supply voltage range 10 V to 26 V ICC Supply current 4 A Max PO Continuous output power per channel, 8 Ω, VCC = 24 V, THD+N = 10% 40 W ZI Minimum load impedance 4Ω 2 Operation 2.1 Quick Start List for Stand-Alone Operation Follow these steps to use the TPA3106D1EVM stand-alone or when connecting it into existing circuits or equipment.
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TPA3106D1 EVM Schematic www.ti.com Table 1. Jumper and Resulting Gain Settings GAIN0 (J12) (1) 2.1.3 1. 2. 3. 4. (1) GAIN1 (J13) Amplifier Gain (dB) ON ON 20 OFF ON 26 ON OFF 32 OFF OFF 36 OFF = Jumper REMOVED; ON = Jumper INSTALLED. Power Up Verify correct voltage and input polarity and turn the external power supplies ON. The EVM should begin operation. Adjust the input signal. Adjust the control inputs to the desired settings.
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TPA3106D1 EVM Schematic www.ti.com 3.1 TPA3106D1 EVM PCB Layers Figure 3. TPA3106D1 EVM – Top Side Layout Figure 4.
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TPA3106D1 EVM Bill of Material –LC Board www.ti.com TPA3106D1 EVM Bill of Material –LC Board 4 All components should be ordered as lead free. Table 2. Bill OF Materials for TPA3106D1EVM Description Size Qty Mfg. Part No. Vendor No. C1, C2, C4 RefDes Capacitor, ceramic, 1.0 μF, ±10%, X7R, 10 V 0603 3 Murata GRM188R71A105KA61D Digi-Key/490-3899-1-ND C3 Capacitor, ceramic, 0.01 μF, ±10%, X7R, 50 V 0603 1 TDK C1608X7R1H103KT Digi-Key/445-1311-2 C5, C10, C11, C15 Capacitor, ceramic, 1.
PAGE 7
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 8
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.