Thd+N Vs Frequency (Pbtl –3 Ω) - Texas Instruments PurePath Digital TAS5342DDV6EVM User Manual

TAS5342DDV6EVM Performance
4.10 THD+N vs Frequency (PBTL –3 Ω)
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
0.002
0.001
4.11 FFT Spectrum with –60-dBFS Tone (BTL)
Reference voltage is 19.09 V. FFT size 16k.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
4.12 FFT Spectrum With –60-dBFS Tone (PBTL)
Reference voltage is 18.7 V. FFT size 16k.
16
TAS5342DDV6EVM
20 50 100 200
Figure 13. THD+N vs Frequency (PBTL –3 Ω)
0 2k 4k 6k 8k
Figure 14. FFT Spectrum with –60-dBFS Tone (BTL)
Copyright © 2008–2015, Texas Instruments Incorporated
125 W
1 W
10 W
500 1k 2k
f - Frequency - Hz
10k 12k 14k 16k
f - Frequency - Hz
SLAU239A – February 2008 – Revised September 2015
www.ti.com
5k 10k 20k
18k 20k 22k
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