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User’s Guide
2001 Mixed-Signal Products
SLOU104A
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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. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, patent infri
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Information About Cautions and Warnings Preface Read This First How to Use This Manual This document contains the following chapters: Chapter 1—Introduction Chapter 2—Quick Start 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 tha
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Running Title—Attribute Reference Related Documentation From Texas Instruments TI Plug-N-Play Audio Amplifier Evaluation Platform (literature number SLOU011) provides detailed information on the evaluation platform and its use with TI audio evaluation modules. TPA6101A2 50-mW Stereo Audio Power Amplifier (literature number SLOS331) This is the data sheet for the TPA6101A2 audio amplifier integrated circuit. FCC Warning This equipment is intended for use in a laboratory test environment only.
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Running Title—Attribute Reference Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1.2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 1.
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Running Title—Attribute Reference Figures 1–1 The TI TPA6101A2 Audio Amplifier Evaluation Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 2–1 Quick Start Platform Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 2–2 Quick Start Module Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 2–3 TPA6101A2 Class-D EVM Schematic Diagram . . . . . . . .
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Chapter 1 Introduction This chapter provides an overview of the Texas Instruments (TI) TPA6101A2 audio amplifier evaluation module (SLOP336). It includes a list of EVM features, a brief illustrated description of the module, and a list of EVM specifications. Topic Page 1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 1.2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Features 1.1 Features The TI TPA6101A2 audio amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features: TPA6101A2 Stereo Audio Power Amplifier Evaluation Module 1.6-V to 3.6-V operation Fixed-gain of 2 dB (inverting) Dual channel, single-ended operation 50-mW output power into 16 Ω at 3.3 V Very low distortion — THD+N is less than 0.08% at 1 kHz and less than 0.2% from 20 Hz to 20 kHz into 16-Ω loads, and less than 0.06% at
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Description 1.2 Description The TPA6101A2 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 TPA6101A2 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. The TI TPA6101A2 Audio Amplifier
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1-4 Introduction
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Chapter 2 Quick Start The steps in this chapter can be followed to prepare the TPA6101A2 audio amplifier EVM for use. Using the TPA6101A2 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. However, the audio amplifier evaluation module can be used stand-alone by making connections directly to the module pins, and it can be wired directly into existing circu
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+ VR2 J6 VDD J10 In/Out F2 Right Left + – – + J8 Left Right J9 J7 Out Out Out Out Spk(U2-U4) C3 C2 JP8 U6 JP6 + + LED2 POWER VDD JP7 U2 HP(U5) SUPPLY S3 U2-U4 HP Source U5 U3 U4 JP5 U5 IDD B1 Off On On S1 TP1 S2 Conditioning GND Off Pwr U1 LED1 VCC JP3 Batt D1 JP2 AC/DC D2 (J2) JP1 VCC(J1) D3 TEXAS DC J3 J5 J4 INSTRUMENTS SOURCE Right Stereo Left 1997 In In In J1 D4 J2 VCC AC/DC In In + Precautions 2.1 Precautions Power Supply Input Polarity and Maximum Voltage Always ensure that the polarity an
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Quick Start List for Platform 2.2 Quick Start List for Platform Follow these steps when using the TPA6101A2 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. 2) Install a TPA6101A2 module in platform socket
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Quick Start List for Stand-Alone 2.3 Quick Start List for Stand-Alone Follow these steps to use the TPA6101A2 EVM stand-alone or when connect- ing it into existing circuits or equipment. Connections to the TPA6101A2 mod- ule header pins can be made via individual sockets, wire-wrapping, or solder- ing 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. Quick Start Module Map 2 5 4 6 6 4 † Due to the v
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TPA6101A2 EVM Schematic 2.4 Reference 2.4.1 TPA6101A2 EVM Schematic The TPA6101A2 EVM schematic is shown in Figure 2–3. Figure 2–3. TPA6101A2 EVM Schematic Diagram C1 0.1 µ F RIN 8 1 BYPASS IN1– C3 1 µ F 7 V 1 O ROUT 2 GND TPA6101A2 6 3 SHUTDOWN V V DD DD + C5 C4 C2 10 µ F 0.1 µ F 0.1 µ F 4 5 LOUT IN2– V 2 LIN O R1 100 kΩ S1 SHUTDOWN Quick Start 2-5
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TPA6101A2 Audio Power Amplifier Evaluation Module Parts List 2.4.2 TPA6101A2 Audio Power Amplifier Evaluation Module Parts List Table 2–2.TPA6101A2 EVM Parts List Manufacturer/ Ref. Description Size Qty. Vendor/Number Part Number C1, C2, Capacitor, 0.1 µ F, ±10%, 0603 1 Murata Arrow C4 Nonpolarized, SMD GRM39X7R104K16 GRM39X7R104K16 C3 Capacitor, 1 µ F, ±10%, 0603 1 Murata Arrow Nonpolarized, SMD GRM39Y5V105Z010 GRM39Y5V105Z010 C5 Capacitor, 10 µ F, 6.3 V, A 1 Panasonic Digi-Key SMD ECS–TOJY106R
