THS4532_15 Datasheet, PDF (16/58 Pages) Texas Instruments – THS4532 Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier

THS4532
SLOS829A – FEBRUARY 2013 – REVISED JULY 2015
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Typical Characteristics: V_S = 2.7 V (continued)
V_S+ = 2.7 V, V_S– = 0 V, CM = open, V_OUT = 2 Vpp, R_F = 2 kΩ, R_L = 2 kΩ Differential, G = 1V/V, Single-Ended Input,
Differential Output, Input and Output Referenced to mid-supply unless otherwise noted.
−20
0
−30
−20
−40
−40
−50
−60
−60
−80
−70
−100
−80
−120
−90
−100
100k
V_S = 2.7 V
R_L = 2 kΩ
1M
Frequency (Hz)
G = 1 V/V
CMRR
PSRR
10M
30M
G018
R_F = 2 kΩ
−140
−160
1k
10k
V_S = 2.7 V
R_L = 2 kΩ
100k
1M
Frequency (Hz)
G = 1 V/V
V_OUT = 2 V_PP
10M 30M
G099
R_F = 2 kΩ
Figure 19. Rejection Ratio vs Frequency
Figure 20. Crosstalk vs Frequency
3
1.5
3
1.5
Power Down
V_OUT
2
1
2
1
1
0.5
1
0.5
0
0
200
V_S = 2.7 V
R_L = 200 Ω
400
600
Time (ns)
G = 1 V/V
V_IN = 1 V
Power Down
V_OUT
0
800
1000
G019
R_F = 2 kΩ
Figure 21. Turn-On Time
100
100
Voltage Noise
Current Noise
10
10
1
1
0.1
10
0.1
100
1k
10k
100k
1M
Frequency (Hz)
G021
0
0
10
V_S = 2.7 V
R_L = 200 Ω
20
30
40
Time (ns)
G = 1 V/V
Figure 22. Turn-Off Time
0
50
G020
R_F = 2 kΩ
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 23. Input-Referred Voltage Noise and Current Noise
Spectral Density
Figure 24. Main Amplifier Differential Open-Loop Gain and
Phase vs Frequency
16
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