Texas Instruments TAS5631PHD Evaluation Module TAS5631PHD2EVM TAS5631PHD2EVM 数据表
产品代码
TAS5631PHD2EVM
User's Guide
SLOU275A – December 2009 – Revised May 2010
TAS5631PHD2EVM
This user’s guide describes the operation of the evaluation module for the TAS5631 Digital Amplifier
Power Output Stage using TAS5518 Digital Audio PWM Processor from Texas Instruments. The user’s
guide also provides measurement data and design information like schematic, BOM, and PCB layout.
Power Output Stage using TAS5518 Digital Audio PWM Processor from Texas Instruments. The user’s
guide also provides measurement data and design information like schematic, BOM, and PCB layout.
Contents
1
Introduction
..................................................................................................................
1.1
TAS5631PHD2EVM Features
....................................................................................
1.2
PCB Key Map
......................................................................................................
2
Quick Setup Guide
..........................................................................................................
2.1
Electrostatic Discharge Warning
.................................................................................
2.2
Unpacking the EVM
................................................................................................
2.3
Power Supply Setup
...............................................................................................
2.4
Speaker Connection
...............................................................................................
2.5
Output Configuration BTL and PBTL
............................................................................
2.6
GUI Software Installation
..........................................................................................
3
Protection
....................................................................................................................
3.1
Short Circuit Protection and Fault Reporting Circuitry
........................................................
3.2
Fault Reporting
.....................................................................................................
4
TAS5631PHD2EVM Performance
........................................................................................
4.1
THD+N vs. Power (BTL – 4
Ω
)
.................................................................................
4.2
THD+N vs Power (BTL – 8
Ω
)
..................................................................................
4.3
THD+N vs Power (BTL – 2
Ω
)
..................................................................................
4.4
THD+N vs. Frequency (BTL – 4
Ω
)
............................................................................
4.5
THD+N vs. Frequency (BTL – 8
Ω
)
............................................................................
4.6
THD+N vs. Frequency (PBTL – 2
Ω
)
..........................................................................
4.7
FFT Spectrum with –60 dBFS Tone (BTL)
....................................................................
4.8
FFT Spectrum with -60 dBFS Tone (PBTL)
..................................................................
4.9
Idle Noise FFT Spectrum (BTL)
................................................................................
4.10
Idle Noise FFT Spectrum (PBTL)
..............................................................................
4.11
Channel Separation
..............................................................................................
4.12
Frequency Response (BTL)
.....................................................................................
4.13
Frequency Response (PBTL)
...................................................................................
4.14
High Current Protection (BTL)
..................................................................................
4.15
High Current Protection (PBTL)
................................................................................
4.16
Pop/Click (BTL)
...................................................................................................
4.17
Pop/Click (PBTL)
.................................................................................................
4.18
Output Stage Efficiency
..........................................................................................
5
Related Documentation from Texas Instruments
.....................................................................
5.1
Additional Documentation
.......................................................................................
Appendix A
Design Documents
...............................................................................................
List of Figures
1
Integrated PurePath Digital™ Amplifier System
........................................................................
2
Physical Structure for the TAS5631PHD2EVM (Approximate Layout)
..............................................
PurePath, Equibit are trademarks of Texas Instruments.
I
I
2
C is a trademark of NXP B.V. Corp Netherlands.
1
SLOU275A – December 2009 – Revised May 2010
TAS5631PHD2EVM
Copyright © 2009–2010, Texas Instruments Incorporated