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4.12 Idle Noise FFT Spectrum (BTL)
-150
+0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
85k
10k
20k 30k
40k
50k
60k
70k 80k
f-Frequency-Hz
dBr- A
V =11.18V,
FFTSize=16k
REF
4.13 Channel Separation (1-2)
-100
+20
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
+10
20 20k50 100 200 500 1k 2k 5k 10k
f-Frequency-Hz
dBr-
A
Ch1
Ch2
TAS5132DDV6EVM Performance
Reference voltage is 11.18 V. FFT size is 16k.
Figure 15. Idle Noise FFT Spectrum (BTL)
Channel separation is tested for two channels in the same package, channel 1 and channel 2. Four-ohm
loads are used for both channels. Channel 1 input signal is 0 dBFS; channel 2 is muted. Reference
voltage is 5.49 Vrms. Shielded output inductors provide better channel separation.
Figure 16. Channel Separation (1-2)
SLLU096A – February 2007 – Revised March 2007 TAS5132DDV6EVM 15
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