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THS4531A_15 Datasheet, PDF (19/59 Pages) Texas Instruments – THS4531A Ultra Low-Power, Rail-to-Rail Output, Fully Differential Amplifier | |||
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Typical Characteristics: VS = 5 V (continued)
10
0
â10
â20
â30
â40
â50
â60
â70
â80
â90
â100
â110
â120
â130
â140
â150
0
VS = 5 V
G = 1 V/V
RF = 2 kW
RL = 100 kΩ || 135 pF
VOUT = 8 Vpp
5k
10k
15k
20k
24k
Frequency (Hz)
G032
Figure 40. 10-kHz FFT On Audio Analyzer
â30
VS = 5 V
G = 1 V/V
â40 RF = 2 kâ¦
RL = 2 kâ¦
f = 1 MHz
â50
Second Harmonic
Third Harmonic
â60
â70
â80
1
2
3
4
5
6
7
8
VOUT (Vpp)
G034
Figure 42. Harmonic Distortion vs Output Voltage at 1 MHz
0
VS = 5 V
â10 G = 1 V/V
RF = 2 kâ¦
â20 VOUT = 2 Vpp
f = 1 MHz
â30
Second Harmonic
Third Harmonic
â40
â50
â60
â70
â80
0
200 400 600 800 1k 1.2k 1.4k 1.6k 1.8k 2k
Load (â¦)
G036
Figure 44. Harmonic Distortion vs Load at 1 MHz
THS4531A
SLOS823B â DECEMBER 2012 â REVISED JUNE 2015
â20
â30 VS = 5 V
â40
G = 1 V/V
RF = 2 kâ¦
â50 RL = 2 kâ¦
â60 VOUT = 2 Vpp
â70
â80
â90
â100
â110
â120
â130
â140
1k
10k
Second Harmonic
Third Harmonic
100k
1M
Frequency (Hz)
10M
G033
Figure 41. Harmonic Distortion vs Frequency
â40
VS = 5 V
â45 RF = 2 kâ¦
RL = 2 kâ¦
â50 VOUT = 2 Vpp
f = 1 MHz
â55
â60
â65
â70
â75
â80
0
2
4
6
Gain (V/V)
Second Harmonic
Third Harmonic
8
10
G035
Figure 43. Harmonic Distortion vs Gain at 1 MHz
0
VS = 5 V
â10 G = 1 V/V
â20 RF = 2 kâ¦
RL = 2 kâ¦
â30 VOUT = 2 Vpp
f = 1 MHz
â40
â50
â60
â70
â80
â90
0 0.5 1 1.5
2 2.5 3
VOCM (V)
Second Harminc
Third Harmonic
3.5 4 4.5 5
G037
Figure 45. Harmonic Distortion vs VOCM at 1 MHz
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