Datasheet

5
®
INA121
INPUT BIAS CURRENT vs TEMPERATURE
Temperature (°C)
Bias Current (pA)
10k
1k
100
10
1
0.1
0.01
–75 –50 –25 0 25 50 75 100 125
I
B
I
OS
TYPICAL PERFORMANCE CURVES (CONT)
At T
A
= +25°C, V
S
= ±15V, unless otherwise noted.
INPUT OVER-VOLTAGE V/I CHARACTERISTICS
1
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1
Input Current (mA)
Input Voltage (V)
–50 –40 –30 –20 –10 10 20 30 40050
G = 1V/V
G = 1000V/V
G = 1V/V
Flat region represents
normal linear operation.
V
IN
I
IN
–15V
+15V
G = 1000V/V
QUIESCENT CURRENT AND SLEW RATE
vs TEMPERATURE
500
475
450
425
400
375
–75 –50 –25 0 25 50 75 100 125
Temperature (°C)
Quiescent Current (µA)
1.4
1.2
1
0.8
0.6
0.4
Slew Rate (V/µs)
SR
I
Q
SHORT-CIRCUIT CURRENT
vs TEMPERATURE
±15
±14
±13
±12
±11
±10
–75 –50 –25 0 25 50 75 100 125
Temperature (°C)
Short-Circuit Current (µA)
+I
SC
–I
SC
SETTLING TIME vs GAIN
1000
100
10
1 10 100 1000
Gain (V/V)
Settling Time (µs)
0.01%
0.1%
INPUT BIAS CURRENT
vs COMMON-MODE INPUT VOLTAGE
1m
100µ
10µ
10p
1p
–10µ
–100µ
–1m
–20 –15 –10 –5 0 5 10 15 20
Common-Mode Voltage (V)
Input Bias Current (A)