Related Manuals for Texas Instruments TPA3003D2EVM
Summary of Contents for Texas Instruments TPA3003D2EVM
- Page 1 TPA3003D2EVM 3 W Stereo Class D Audio Power Amplifier With DC Volume Control User’s Guide March 2003 SLOU159...
- Page 2 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.
- Page 3 EVM IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not considered by TI to be fit for commercial use. As such, the goods being provided may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety measures typically found in the end product incorporating the goods.
- Page 4 EVM schematic located in the EVM User’s Guide. When placing measurement probes near these devices during operation, please be aware that these devices may be very warm to the touch. Mailing Address: Texas Instruments Post Office Box 655303 Dallas, Texas 75265 Copyright 2003, Texas Instruments Incorporated...
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Page 5: Read This First
Information About Cautions and Warnings Preface Read This First Information About Cautions and Warnings This book may contain cautions and warnings. This is an example of a caution statement. A caution statement describes a situation that could potentially damage your software or equipment. This is an example of a warning statement. - Page 6 Related Documentation From Texas Instruments Electrostatic Sensitive Devices This EVM contains components that can potentially be damaged by electrostatic discharge. Always transport and store the EVM in its supplied ESD bag when not in use. Handle using an antistatic wristband. Operate on an antistatic work surface. For more information on proper handling, refer to SSYA008.
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Page 7: Table Of Contents
Contents Contents Introduction ..............Description . - Page 8 Contents Figures 1–1 The TI TPA3003D2 Audio Power Amplifier EVM (Top View) ......1–2 The TI TPA3003D2 Audio Power Amplifier EVM (Bottom View) .
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Page 9: Introduction
Chapter 1 Introduction This chapter provides a brief description of the TPA3003D2EVM. Topic Page Description ........... TPA3003D2EVM Specifications . -
Page 10: Description
Description 1.1 Description The TPA3003D2 audio power amplifier evaluation module is a 3-watt-per-channel class-D stereo audio power amplifier complete with a small number of external components mounted on a circuit board that measures approximately 2-1/4 inches by 1-3/4 inches (Figure 1–1 and Figure 1–2). -
Page 11: Tpa3003D2Evm Specifications
TPA3003D2EVM Specifications 1.2 TPA3003D2EVM Specifications Supply voltage range, V ........... . 8.5 V to 14 V Input voltage range, V (VOL, MUTE, FADE) -
Page 13: Operation
Chapter 2 Operation This chapter describes how to operate the TPA3003D2EVM. Topic Page Quick Start List for Stand-Alone Operation ..... . Operation... -
Page 14: Quick Start List For Stand-Alone Operation
Quick Start List for Stand-Alone Operation 2.1 Quick Start List for Stand-Alone Operation Follow these steps to use the TPA3003D2EVM stand-alone or when connecting it into existing circuits or equipment. Connections to the EVM module header pins can be made via individual sockets, wire-wrapping, or soldering to the pins, either on the top or the bottom of the module circuit board. -
Page 15: Power Up
Quick Start List for Stand-Alone Operation Note: Do not leave the MUTE pin floating. The TPA3003D2EVM connects the MUTE pin to ground. If the MUTE function is to be utilized on the EVM, un- solder the pin and lift it off the module circuit board. Solder a wire to the pin and apply the necessary voltage for the desired function. -
Page 17: Reference
Chapter 3 Reference This chapter provides reference information for the TPA3003D2EVM. Topic Page TPA3003D2EVM Schematic ........EVM PCB Layers . -
Page 18: Tpa3003D2Evm Schematic
TPA3003D2EVM Schematic 3.1 TPA3003D2EVM Schematic Figure 3–1. TPA3003D2EVM Schematic (Bead) (Bead) 10 F PGND 10nF 10nF 0.1 F 0.1 F 120k AGND SHUTDOWN VCLAMPR PGND 1.0 F RIN– RINN 1.0 F MUTE RIN+ RINP 1.0 F AVCC AGND V2P5 1.0 F LIN+ LINP 0.1 F... -
Page 19: Evm Pcb Layers
EVM PCB Layers 3.2 EVM PCB Layers Figure 3–2. TPA3003D2EVM (Top Layer) Figure 3–3. TPA3003D2EVM (Bottom Layer) Reference... -
Page 20: Tpa3003D2Evm Parts List
TPA3003D2EVM Parts List 3.3 TPA3003D2EVM Parts List Table 3–1. TPA3003D2EVM Parts List Reference Description Size Mfg. Part # Vendor # C1–C5 Capacitor, ceramic, 1.0 F, 0603 Panasonic ECJ–1VF1A105Z Digi–Key +80%/–20%, Y5V, 10 V PCC1787CT–ND Capacitor, ceramic, 220 pF, 0603 Panasonic ECJ–1VC1H221J Digi–Key 5%, 50 V... -
Page 21: Dc Volume Control For Class-D Outputs
DC Volume Control 3.4 DC Volume Control Table 3–2. DC Volume Control for Class-D Outputs VOLTAGE ON THE VOLUME PIN AS VOLTAGE ON THE VOLUME PIN GAIN OF A PERCENTAGE OF VREF (INCREASING VOLUME OR FIXED AS A PERCENTAGE OF VREF CLASS-D (DECREASING VOLUME) AMPLIFIER...