Datasheet

-150
0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0 22k2k 4k 6k 8k 10k 12k 14k 16k 18k 20k
f-Frequency-Hz
FFT-Spectrum-dB
0 22k2k 4k 6k 8k 10k 12k 14k 16k 18k 20k
f-Frequency-Hz
-150
0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
FFT-Spectrum-dB
TAS5631PHD2EVM Performance www.ti.com
Figure 11. FFT Spectrum with –60 dBFS Tone (BTL)
Reference voltage is 24.8Vrms. FFT size 16k.
4.8 FFT Spectrum with -60 dBFS Tone (PBTL)
Reference voltage is 28.1 V. FFT size 16k.
Figure 12. FFT Spectrum with -60 dBFS Tone (PBTL)
4.9 Idle Noise FFT Spectrum (BTL)
Automute disabled – Register x04h set to x60h. Reference voltage is 28.4V. FFT size 16k.
14
TAS5631PHD2EVM SLOU275A–December 2009–Revised May 2010
Copyright © 2009–2010, Texas Instruments Incorporated