THS4532_15 Datasheet, PDF (17/58 Pages) Texas Instruments – THS4532 Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier

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THS4532
SLOS829A – FEBRUARY 2013 – REVISED JULY 2015
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.
−30
3
0
−40
−3
−50
−6
−60
−9
−12
−70
−15
−80
100k
V_S = 2.7 V
R_L = 2 kΩ
1M
Frequency (Hz)
G = 1 V/V
V
10M
30M
G023
R_F = 2 kΩ
Figure 25. Output Balance Error vs Frequency
2
1.8
−18
100k
V_S = 2.7 V
V_OUT = 100 mV_PP
1M
10M
Frequency (Hz)
G = 1 V/V
50M
G024
R_F = 2 kΩ
Figure 26. V_OCM Small-Signal Frequency Response
200k
100k
1.6
1.4
10k
1.2
1
1k
0.8
0.6
0
0.2-V Step
1-V Step
100 200 300 400 500 600 700 800 900 1000
Time (ns)
G025
100
100k
V_S = 2.7 V
1M
10M
Frequency (Hz)
50M
G026
Figure 27. V_OCM Large- and Small Signal Pulse Response
1200
1000
Ch 1
Ch 2
800
600
400
200
0
Input Offset Current (nA)
G029
V_S = 2.7 V
T_A = 25°C
Figure 29. THS4532IPW Input Offset Current Histogram
Figure 28. V_OCM Input Impedance vs Frequency
35
0°C to +70°C
30
−40°C to +85°C
−40°C to +125°C
25
20
15
10
5
0
Input Offset Current Temperature Drift (pA/°C)
G030
V_S = 2.7 V
Both Channels
V_OUT = 100 mV_PP
Figure 30. THS4532IPW Input Offset Current Temp Drift
Histogram
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