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User's Guide
SLAU221A – May 2007 – Revised June 2007
TAS5162DDV6EVM2
This user's guide describes the operation of the evaluation module for the TAS5162
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 such as the schematic, BOM, and PCB layout
Contents
Trademarks .......................................................................................... 2
1 Overview ............................................................................................. 2
2 Quick Setup Guide ................................................................................. 5
3 Protection ............................................................................................ 7
4 TAS5162DDV6EVM2 Performance .............................................................. 8
5 Related Documentation from Texas Instruments ............................................. 20
Appendix A .............................................................................................. 21
List of Figures
1 Integrated PurePath Digital™ Amplifier System ................................................ 4
2 Physical structure for the TAS5162DDV6EVM2 (Approximate Layout) ..................... 4
3 TAS5518 GUI Window ............................................................................. 6
4 THD+N vs Power (BTL - 6 Ω ) .................................................................... 10
5 THD+N vs Power (BTL - 8 Ω ) .................................................................... 10
6 THD+N vs Power (PBTL - 4 Ω ) .................................................................. 11
7 THD+N vs Frequency (BTL - 6 Ω ) ............................................................... 11
8 THD+N vs Frequency (BTL - 8 Ω ) ............................................................... 12
9 THD+N vs Frequency (PBTL - 4 Ω ) ............................................................. 12
10 Figure 10. FFT Spectrum With -60 dBFS Tone (BTL) ....................................... 13
11 4.8 FFT Spectrum With -60 dBFS Tone (PBTL) .............................................. 13
12 Idle Noise FFT Spectrum (BTL) ................................................................. 14
13 Idle Noise FFT Spectrum (PBTL) ............................................................... 14
14 Channel Separation ............................................................................... 15
15 Frequency Response (BTL) ..................................................................... 15
16 Frequency Response (PBTL) .................................................................... 16
17 High Current Protection (BTL) ................................................................... 16
18 High Current Protection (PBTL) ................................................................. 17
19 Pop/Click (BTL) .................................................................................... 17
20 Pop/Click (PBTL) .................................................................................. 18
21 Output Stage Efficiency .......................................................................... 18
22 Subwoofer Line Out THD Vs. Output Voltage ................................................ 19
23 Subwoofer Line Out THD+N vs. Frequency ................................................... 19
24 Subwoofer Line Out Frequency Response .................................................... 20
List of Tables
1 TAS5162DDV6EVM2 Specification .............................................................. 2
2 Recommended Supply Voltages ................................................................. 5
3 TAS5162 Warning/Error Signal Decoding ....................................................... 7
4 General Test Conditions ........................................................................... 8
SLAU221A – May 2007 – Revised June 2007 TAS5162DDV6EVM2 1
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