THS4531A_16 Datasheet, PDF (15/59 Pages) Texas Instruments – Ultra Low-Power, Rail-to-Rail Output, Fully Differential Amplifier

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Typical Characteristics: V_S = 2.7 V (continued)
3
THS4531A
SLOS823C – DECEMBER 2012 – REVISED JANUARY 2016
1.5
Figure 19. Rejection Ratio vs Frequency
3
1.5
Power Down
V_OUT
2
1
V_S = 2.7 V
G = 1 V/V
R_F = 2 kΩ
R_L = 200 Ω
1
0.5
2
1
V_S = 2.7 V
G = 1 V/V
R_F = 2 kW
R_L = 200 W
1
V_IN = 1 V
0.5
Power Down
V_OUT
0
0
0
200
400
600
800
1000
Time (ns)
G019
Figure 20. Turnon Time
100
100
Voltage Noise
Current Noise
10
10
1
1
0
0
0
10
20
30
40
50
Time (ns)
G020
0.1
10
0.1
100
1k
10k
100k
1M
Frequency (Hz)
G021
Figure 21. Turnoff Time
120
0
110
Magnitude
100
Phase
90
−45
80
70
60
−90
50
40
30
−135
20
10
0
−180
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
G022
Figure 22. Input-Referred Voltage Noise and Current Noise
Spectral Density
−30
V_S = 2.7 V
G = 1 V/V
−40 RF = 2 kΩ
R_L = 2 kΩ
−50
−60
−70
−80
100k
1M
Frequency (Hz)
10M
30M
G023
Figure 23. Main Amplifier Differential Open-Loop Gain and
Phase vs Frequency
Figure 24. Output Balance Error vs Frequency
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