Datasheet

5
®
INA145
TYPICAL PERFORMANCE CURVES
At T
A
= +25°C, V
S
= ±15V, G = 1, R
L
= 10kΩ connected to ground and Ref pin connected to ground, unless otherwise noted.
0.1Hz to 10Hz VOLTAGE NOISE (RTI)
500ms/div
500nV/div
GAIN vs FREQUENCY
Frequency (Hz)
Voltage Gain (dB)
100 1K 10K 1M 10M
60
40
20
0
–20
100K
G = 100
G = 10
G = 1
V
S
= ±15V
C
L
= 200pF 10kΩ
COMMON-MODE REJECTION vs FREQUENCY
Frequency (Hz)
Common-Mode Rejection (dB)
10 100 1k 1M 10M
100
80
60
40
20
0
10k 100k
POWER SUPPLY REJECTION vs FREQUENCY
Frequency (Hz)
Power Supply Rejection (dB)
1 10 100 10k 100k
100
80
60
40
20
0
1k
PSR+
(V
S
= ±15V)
PSR–
(V
S
= ±15V)
PSR+
(V
S
= +5V)
INPUT VOLTAGE NOISE DENSITY
Frequency (Hz)
Input Voltage Noise (nV/√Hz
0.1 1 10 10k 100k
1k
100
10
100 1k
G = 1
G = 10
G = 100
GAIN vs FREQUENCY
Frequency (Hz)
Voltage Gain (dB)
100 1K 10K 1M 10M
60
40
20
0
–20
100K
G = 100
G = 1
G = 10
V
S
= ±15V
C
L
= 1000pF