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THS4531A Datasheet, PDF (33/51 Pages) Texas Instruments – Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier | |||
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VIN±
RG
100 pF
From Analyzer
0.22 F
RG
VIN+
100 pF
THS4531A
SLOS823A â DECEMBER 2012 â REVISED JANUARY 2013
RF
10
VS+
+
VOCM
±
THS4531A
VOUT±
To Analyzer
10
VOUT+
RF
Figure 82. THS4531A Audio Analyzer Test Circuit
â95
â97
â99
â101
â103
â105
â107
â109
â111
â113
â115
0
No Weighting
AâWeighting
VS = 5 V
G = 1 V/V
VOUT = 1 VRMS
RF = 2 kâ¦
RL = 600 â¦
5k
10k
15k
20k
24k
Frequency (Hz)
G070
Figure 83. THD+N on Audio Analyzer, 10 Hz to 24 kHz
0
â10
â20
â30
â40
â50
â60
â70
â80
â90
â100
â110
â120
â130
â140
0
VS = 5 V
G = 1 V/V
VOUT = 1 VRMS
RF = 2 kâ¦
RL = 600 â¦
5k
10k
15k
20k
24k
Frequency (Hz)
G071
Figure 84. 1kHz FFT Plot on Audio Analyzer
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