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4.12 FFT Spectrum With –60-dBFS Tone (PBTL)
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
4.13 Idle Noise FFT Spectrum (BTL)
0 85k5k 10k 15k 20k 25k 30k 35k 40k 45k 50k 55k 60k 65k 70k 75k 80k
f-Frequency-Hz
0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
IdleNoiseSpectrum-dB
TAS5342DDV6EVM Performance
Reference voltage is 18.7 V. FFT size 16k.
Figure 15. FFT Spectrum with –60-dBFS Tone (PBTL)
Automute disabled – Register x04h set to x60h. Reference voltage is 19.02 V. FFT size 16k.
Figure 16. Idle Noise FFT Spectrum (BTL)
SLAU239 – February 2008 TAS5342DDV6EVM 17
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