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TAS5630PHD2EVM 产品设计参考手册 - TI（德州仪器）
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TI（德州仪器）
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开发套件
描述:
TEXAS INSTRUMENTS TAS5630PHD2EVM 评估板, TAS5630B音频功率放大器, D级
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TAS5630PHD2EVM数据手册
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User's Guide
SLAU289A–December 2009–Revised May 2010
TAS5615PHD2EVM
This user’s guide describes the operation of the evaluation module for the TAS5615PHD2EVM 160-W,
stereo feedback, analog-input, digital amplifier from Texas Instruments. The document also provides
measurement data and design information including the schematic, bill of materials, and printed-circuit
board layout.
Contents
1 Overview ..................................................................................................................... 3
1.1 TAS5615PHD2EVM Features .................................................................................... 4
1.2 PCB Key Map ...................................................................................................... 4
2 Quick Setup Guide .......................................................................................................... 5
2.1 Electrostatic Discharge Warning ................................................................................. 5
2.2 Unpacking the EVM ................................................................................................ 5
2.3 Power Supply Setup ............................................................................................... 6
2.4 Applying Input Signal .............................................................................................. 6
2.5 Speaker Connection ............................................................................................... 6
2.6 Output Configuration BTL and PBTL ............................................................................ 7
3 Protection .................................................................................................................... 8
3.1 Short-Circuit Protection and Fault-Reporting Circuitry ........................................................ 8
3.2 Fault Reporting ..................................................................................................... 8
4 TAS5615PHD2EVM Performance ........................................................................................ 8
4.1 THD+N vs Power, BTL – 8 Ω ................................................................................... 10
4.2 THD+N vs Power, PBTL – 4 Ω ................................................................................. 10
4.3 THD+N vs Frequency, BTL – 8 Ω .............................................................................. 11
4.4 THD+N vs Frequency, PBTL – 4 Ω ............................................................................ 11
4.5 FFT Spectrum with –60-dBFS Tone, BTL ..................................................................... 11
4.6 Idle Noise FFT Spectrum, BTL ................................................................................. 12
4.7 FFT Spectrum With –60-dBFS Tone, PBTL .................................................................. 12
4.8 Idle Noise FFT Spectrum, PBTL ............................................................................... 13
4.9 Channel Separation .............................................................................................. 13
4.10 Frequency Response, BTL ...................................................................................... 14
4.11 Frequency Response, PBTL .................................................................................... 14
4.12 High-Current Protection, BTL ................................................................................... 15
4.13 High-Current Protection, PBTL ................................................................................. 15
4.14 Pop/Click, BTL .................................................................................................... 16
4.15 Pop/Click, PBTL .................................................................................................. 16
4.16 Output Stage Efficiency .......................................................................................... 17
5 Related Documentation from Texas Instruments ..................................................................... 17
5.1 Additional Documentation ....................................................................................... 18
Appendix A Design Documents ............................................................................................... 19
List of Figures
1 Integrated PurePath™ HD Amplifier System............................................................................ 4
2 Physical Structure for the TAS5615PHD2EVM (Approximate Layout) .............................................. 5
3 Output Configuration BTL and PBTL..................................................................................... 7
4 THD+N vs Power, BTL – 8 Ω ............................................................................................ 10
PurePath is a trademark of Texas Instruments.
1
SLAU289A–December 2009–Revised May 2010 TAS5615PHD2EVM
Copyright © 2009–2010, Texas Instruments Incorporated
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