Datasheet

5
®
INA148
TYPICAL PERFORMANCE CURVES
At T
A
= +25°C, V
S
= ±15V, R
L
= 10kΩ to common, and V
REF
= 0V, unless otherwise noted.
5
0
–5
–10
–20
–25
–30
–35
10
100
1k
10k
100k 1M
Voltage Gain (dB)
Frequency (Hz)
GAIN vs FREQUENCY
V
S
= ±1.35V
V
S
= ±15V
100
80
60
40
20
0
10
100
1k
10k
100k 1M
Voltage Gain (dB)
Frequency (Hz)
COMMON-MODE REJECTION vs FREQUENCY
= V
S
= ±15V
= V
S
= ±1.35V
110
100
90
80
70
60
50
40
30
20
10
1
10
100
1k
10k 100K
Power Supply Rejection (dB)
Frequency (Hz)
POWER SUPPLY REJECTION vs FREQUENCY
PSR+
(V
S
= ±18V)
PSR+
(V
S
= ±1.35V)
PSR–
(V
S
= ±18V)
PSR–
(V
S
= ±1.35V)
800
1k
600
400
200
100
10
100 1k
10k
100k
INPUT VOLTAGE NOISE SPECTRAL DENSITY
Input Noise Spectral Density (nV/√Hz)
Frequency (Hz)
290
280
270
260
250
240
230
220
210
–60
–40
–20 0
20
40
60
80
100
120
140
Temperature (°C)
I
Q
(µA)
QUIESCENT CURRENT vs TEMPERATURE
V
S
= ±2.5V
V
S
= ±15V
1s/div
5µV/div
VOLTAGE NOISE (RTI)
0.1Hz to 10Hz