Texas Instruments PurePath Digital TAS5342DDV6EVM, User Manual

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0 22k 2k 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
0.001
5
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
2
THDN-T
otalHarmonicDisNoise-%
20 20k 50 100 200 500 1k 2k 5k 10k
f - Frequency - Hz
1 W
10 W
125 W
TAS5342DDV6EVM Performance
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4.10 THD+N vs Frequency (PBTL –3 Ω )
Figure 13. THD+N vs Frequency (PBTL –3 Ω )
4.11 FFT Spectrum with –60-dBFS Tone (BTL)
Reference voltage is 19.09 V. FFT size 16k.
Figure 14. FFT Spectrum with –60-dBFS Tone (BTL)
4.12 FFT Spectrum With –60-dBFS Tone (PBTL)
Reference voltage is 18.7 V. FFT size 16k.
16 TAS5342DDV6EVM SLAU239A – February 2008 – Revised September 2015
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