Datasheet

10k 80k20k 30k 40k 50k 60k 70k
f-Frequency-Hz
-140
5
-135
-125
-115
-105
-95
-85
-75
-65
-55
-45
-35
-25
-15
-5
IdleNoiseFFT-Spectrum-dB
10k 80k20k 30k 40k 50k 60k 70k
f-Frequency-Hz
-140
5
-135
-125
-115
-105
-95
-85
-75
-65
-55
-45
-35
-25
-15
-5
IdleNoiseFFT-Spectrum-dB
TAS5630PHD2EVM Performance www.ti.com
Spurious tone at 52 kHz has it’s origin from the TL2575 switching voltage regulator.
Figure 12. Idle Noise FFT Spectrum (BTL)
4.10 Idle Noise FFT Spectrum (PBTL)
Input grounded – Reference voltage is 28.3 V. FFT size 16k.
Spurious tone at 52 kHz has it’s origin from the TL2575 switching voltage regulator.
Figure 13. Idle Noise FFT Spectrum (PBTL)
14
TAS5630PHD2EVM SLAU287A–December 2009–Revised May 2010
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