Datasheet

5
0
–5
–10
–20
–25
–30
–35
10
100
1k
10k
100k 1M
Voltage Gain (dB)
Frequency (Hz)
GAIN vs FREQUENCY
V
S
= ±1.35 V
V
S
= 15 V±
100
80
60
40
20
0
10
100
1k
10k
100k 1M
Voltage Gain (dB)
Frequency (Hz)
COMMON-MODE REJECTION vs FREQUENCY
= V
S
= ±15 V
= V
S
= 1.35 V±
110
100
90
80
70
60
50
40
30
20
10
1
10
100
1k
10k 100k
Power Supply Rejection (dB)
POWER SUPPLY REJECTION vs FREQUENCY
PSR+
(V = ±18 V)
S
PSR+
(V = 1.35 V)
S
±
PSR–
(V = 18 V)
S
±
PSR–
(V = 1.35 V)
S
±
Frequency (Hz)
800
1000
600
400
200
100
10
100 1k 10k 100k
INPUT VOLTAGE NOISE SPECTRAL DENSITY
Input Noise Spectral Density (nV/ Hz)Ö
Frequency (Hz)
1 s/div
5 µV/div
VOLTAGE NOISE (RTI)
0.1 Hz to 10 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
QUIESCENT CURRENT vs TEMPERATURE
V = 2.5 V
S
±
V = ±15 V
S
(µA)
INA148-Q1
www.ti.com SBOS472A –MARCH 2009–REVISED OCTOBER 2011
TYPICAL CHARACTERISTICS
V
S
= ±15 V, R
L
= 10 kΩ to common, V
REF
= 0 V, T
A
= 25°C (unless otherwise noted)
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