User’s Guide 2000 Mixed-Signal Products SLOU084
IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete.
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. A warning statement describes a situation that could potentially cause harm to you. The information in a caution or a warning is provided for your protection.
Running Title—Attribute Reference FCC Warning This equipment is intended for use in a laboratory test environment only. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to subpart J of part 15 of FCC rules, which are designed to provide reasonable protection against radio frequency interference.
Running Title—Attribute Reference Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.
Running Title—Attribute Reference Figures 1–1 2–1 2–2 2–3 2–4 2–5 The TI TPA6100A2 Audio Amplifier Evaluation Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Quick Start Platform Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Quick Start Module Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TPA6100A2 Class-D EVM Schematic Diagram . . . . . . . . . . . . . . .
Chapter 1 Introduction This chapter provides an overview of the Texas Instruments (TI) TPA6100A2 audio amplifier evaluation module (SLOP335). It includes a list of EVM features, a brief description of the module illustrated with a pictorial diagram, and a list of EVM specifications. Topic Page 1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 1.2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Features 1.1 Features The TI TPA6100A2 audio amplifier evaluation module and the TI Plug-N-Play audio amplifier evaluation platform include the following features: TPA6100A2 Stereo Audio Power Amplifier Evaluation Module 1.6-V to 3.6-V operation Dual channel, single-ended operation 50-mW output power into 16 Ω at 3.3 V Very low distortion — THD+N is less than 0.04% at 1 kHz and less than 0.2% from 20 Hz to 20 kHz into 16-Ω loads, and less than 0.03% at 1 kHz and less than 0.
Description 1.2 Description The TPA6100A2 audio power amplifier evaluation module is a complete, low-power stereo audio power amplifier for high-fidelity line-level output, headphone, and small speaker applications. It consists of the TI TPA6100A2 50-mW stereo audio power amplifier IC in a very small MSOP package, along with a small number of other parts mounted on a circuit board that is approximately one and a quarter inches square (see Figure 1–1). Figure 1–1.
1-4 Introduction
Chapter 2 Quick Start The steps in this chapter can be followed to prepare the TPA6100A2 audio amplifier EVM for use. Using the TPA6100A2 EVM with the TI plug-n-play audio amplifier evaluation platform is a quick and easy way to connect power, signal and control inputs, and signal outputs to the EVM using standard connectors.
Precautions 2.1 Precautions Power Supply Input Polarity and Maximum Voltage Always ensure that the polarity and voltage of the external power connected to VCC power input connector J1, J2, and/or VDD power input connector J6 are correct. Overvoltage or reverse-polarity power applied to these terminals can open onboard soldered-in fuses and cause other damage to the platform, installed evaluation modules, and/or the power source.
Quick Start List for Platform 2.2 Quick Start List for Platform Follow these steps when using the TPA6100A2 EVM with the TI plug-n-play audio amplifier evaluation platform (see the platform user’s guide, literature number SLOU011, for additional details). Numbered callouts for selected steps are shown in Figure 2–1. Platform preparations 1) Ensure that all external power sources are set to OFF and that the platform power switch S1 is set to OFF.
Quick Start List for Stand-Alone 2.3 Quick Start List for Stand-Alone Follow these steps to use the TPA6100A2 EVM stand-alone or when connecting it into existing circuits or equipment. Connections to the TPA6100A2 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. Numbered callouts for selected steps are shown in Figure 2–2. Figure 2–2.
TPA6100A2 EVM Schematic 2.4 Reference 2.4.1 TPA6100A2 EVM Schematic The TPA6100A2 EVM schematic is shown in Figure 2–3. Figure 2–3. TPA6100A2 EVM Schematic Diagram C1 0.1 µF R2 10 kΩ RIN R1 100 kΩ R3 100 kΩ 1 8 BYPASS IN1– R7 100 kΩ C3 1 µF 2 Vo1 7 ROUT GND TPA6100A2 3 C2 0.1 µF R5 10 kΩ LIN R4 100 kΩ SHUTDOWN VDD 6 + C4 0.
TPA6100A2 Audio Power Amplifier Evaluation Module Parts List 2.4.2 TPA6100A2 Audio Power Amplifier Evaluation Module Parts List Table 2–2. TPA6100A2 EVM Parts List Ref. Manufacturer/ Part Number Description Size Qty. C1, C2 Capacitor, 0.47 µF, ±10%, Nonpolarized, SMD 0603 1 Panasonic ECJ–1VB0J474K Digi-Key PCS1911CT-ND C4 Capacitor, 0.
TPA6100A2 EVM PCB Layers 2.4.3 TPA6100A2 EVM PCB Layers The following illustrations depict the TPA6100A2 PCB layers. These drawings are not to scale. Gerber plots can be obtained from any TI sales office. Figure 2–4. TPA6100A2 EVM Top Layer Figure 2–5.
2-8 Quick Start
