THS4531_14 Datasheet, PDF (25/56 Pages) Texas Instruments – Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier

THS4531
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SLOS358B – SEPTEMBER 2011 – REVISED MARCH 2012
TYPICAL CHARACTERISTICS: V_S = 5V (continued)
Test conditions unless otherwise noted: V_S+ = 5 V, V_S– = 0V, V_OCM = open, V_OUT = 2Vpp, R_F = 2kΩ, R_L = 2kΩ Differential, G =
1V/V, Single-Ended Input, Differential Output, Input and Output Referenced to mid-supply, T_A = 25°Cunless otherwise noted.
V_OCM INPUT IMPEDANCE
vs
FREQUENCY
INPUT OFFSET CURRENT
HISTOGRAM
100k
V_S = 5 V
600
THS4531ID
500
V_S = 5 V
T_A = 25°C
10k
400
300
1k
200
100
100
100k
0
1M
10M
50M
Frequency (Hz)
G052
Figure 61.
Input Offset Current (nA)
G061
Figure 62.
INPUT OFFSET CURRENT TEMP DRIFT
HISTOGRAM
14
0°C to +70°C
12
−40°C to +85°C
−40°C to +125°C
10
THS4531ID
V_S = 5V
8
6
4
2
0
Input Offset Current Temperature Drift (pA/°C)
G062
Figure 63.
INPUT OFFSET CURRENT
vs
TEMPERATURE
50
40
THS4531ID
V_S = 5 V
30
20
10
0
−10
−20
−30
−40
−50
−50 −25
0
25
50
75
Temperature (°C)
100
125
G063
Figure 64.
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