Datasheet

4
®
INA122
TYPICAL PERFORMANCE CURVES
At T
A
= +25°C and V
S
= ±5V, unless otherwise noted.
GAIN vs FREQUENCY
70
60
50
40
30
20
10
0
–10
Gain (dB)
Frequency (Hz)
100 1k 10k 100k 1M
G = 1000
G = 100
G = 20
G = 5
COMMON-MODE REJECTION vs FREQUENCY
110
100
90
80
70
60
50
40
30
20
10
0
Common-Mode Rejection (dB)
Frequency (Hz)
1 10 100 1k 10k 100k
G = 1000
G = 100
G = 5
NEGATIVE POWER SUPPLY REJECTION
vs FREQUENCY
100
80
60
40
20
0
Power Supply Rejection (dB)
Frequency (Hz)
1 10 100 1k 10k 100k
G = 500
G = 5
G = 100
POSITIVE POWER SUPPLY REJECTION
vs FREQUENCY
100
80
60
40
20
0
Power Supply Rejection (dB)
Frequency (Hz)
10 100 1k 10k 100k 1M
G = 500
G = 100
G = 5
INPUT COMMON-MODE RANGE
vs OUTPUT VOLTAGE, V
S
= ±15V, G = 5
Output Voltage (V)
Common-Mode Voltage (V)
–15 –10 0 5 15–5
15
10
5
0
–5
–10
–15
10
V
D/2
+
+
–
–
V
CM
V
O
V
D/2
Ref
–15V
+15V
+
Limited by A
2
output swing—see text
INPUT COMMON-MODE VOLTAGE
vs OUTPUT VOLTAGE, V
S
= ±5V, G = 5
Output Voltage (V)
Input Common-Mode Voltage (V)
–5 –4 5–3 –2 –1 0 1 2 3 4
5
4
3
2
1
0
–1
–2
–3
–4
–5
Limited by A
2
output swing—see text
V
S
= ±5V
V
S
= +5V/0V
V
REF
= 2.5V
V
REF
= 0V