Texas InstrumentsメーカーTAP6203A1の使用説明書/サービス説明書
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July 2002 Mixed-Signal Products User ’ s Guide SLOU123A.
IMPORT ANT NOTICE T exas 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.
EVM IMPORT ANT NOTICE T exas 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 EV ALUA TION PURPOSES ONL Y and is not considered by TI to be fit for commercial use.
EVM W ARNINGS AND RESTRICTIONS It is important to operate this EVM within the supply voltage range of 2.5 V to 5.5 V . Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM.
Information About Cautions and Warnings iii 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.
FCC Warning iv 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 .
Contents v Contents 1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Feature Highlights 1-2 . . . . . . . . . . . . . . . . . . . . . . . .
Contents vi.
1-1 Introduction Introduction This chapter provides an overview of the T exas Instruments (TI) TP A6203A1 MicroStar Junior BGA audio amplifier evaluation module (SLOP369). It includes a list of EVM features, a brief illustrated description of the module, and a list of EVM specifications.
Feature Highlights 1-2 1.1 Feature Highlights The TI TP A6203A1 audio amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features: - TP A6203A.
Description 1-3 Introduction 1.2 Description The TP A6203A1 audio power amplifier evaluation module is a complete, low-power single-channel audio power amplifier .
TP A6203A1 EVM Specifications 1-4 related evaluation modules. The EVMs simply plug into the platform, which automatically provides power to the modules, interconnects them correctly , an d connects them to a versatile array of standard audio input and output jacks and connectors.
2-1 Operation Operation Follow the steps in this chapter to prepare the TP A6203A1 audio amplifier EVM for use. Using the TP A6203A1 EVM with the TI plug-n-play audio amplifier ev al u a t i o n p l a t f o r m i s a q u ick and easy way to connect power , signal and control inputs, and signal outputs to the EVM, using standard connectors.
Precautions 2-2 2.1 Precautions Power Supply Input Polarity and Maximum V oltage Always ensure that the polarity and voltage of the external power connected to V CC power input connector J1, J2, and/or V DD power input connector J6 are correct.
Quick Start List for Platform 2-3 Operation 2.2 Quick Start List for Platform Follow these steps when using the TP A6203A1 EVM with the TI plug-n-play audio amplifier evaluation platform (see the platform user ’ s guide, SLOU01 1, for additional details).
Quick Start List for Stand-Alone 2-4 2.3 Quick Start List for Stand-Alone Follow these steps to use the TP A6203A1 EVM stand-alone or when connecting it into existing circuits or equipment.
Quick Start List for Stand-Alone 2-5 Operation 5) Connect the SHUTDOWN pin through a normally open switch to GND. 6) Connect an 8- Ω – 32- Ω speaker to the module OUT+ and OUT – pins. - Power Up 7) V erify correct voltage and input polarity and set the external power supply to on.
References 2-6 2.4 References 2.4.1 TP A6203A1 EVM Connected for Stereo BTL Output Figure 2 – 3. TP A6203A1 EVM Connected for Stereo BTL Output Audio Input (Left) External Mute Control Right Audio I.
TP A6203A1 Audio Power Amplifier Evaluation Module Parts List 2-7 Operation 2.4.2 TP A6203A1 EVM Schematic Diagram Figure 2 – 4. TP A6203A1 EVM Schematic Diagram C3 0.22 µ F C2 0.22 µ F R5 100 k Ω IN – SHUTDOWN S1 OUT – GND OUT+ R4 100 k Ω R2 20 k Ω C5 10 µ F C4 0.
TP A6203A1 EVM PCB Layers 2-8 2.4.4 TP A6203A1 EVM PCB Layers The following illustrations depict the TP A6203A1 EVM PCB layers and silks- creen. These drawings are not to scale.
TP A6203A1 EVM PCB Layers 2-9 Operation Figure 2 – 6. TP A6203A1 EVM Bottom Layer.
2-10.
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