ISL28271_07 Datasheet, PDF (6/14 Pages) Intersil Corporation – Dual Micropower, Single Supply, Rail-to- Rail Input and Output (RRIO) Instrumentation Amplifier

ISL28271, ISL28272
Typical Performance Curves V₊ = +5V, V_- = GND, V_FB+ = 1/2V₊, R_L = Open, T_A = +25°C, unless otherwise specified.
120
120
100
100
80
60
40
A_V = 10
20
PSRR+
PSRR-
80
60
40
A_V = 100
20
PSRR-
PSRR+
0
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 13. ISL28271 PSRR vs FREQUENCY
0
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 14. ISL28272 PSRR vs FREQUENCY
1400
1200
1000
800
600
A_V = 10
400
200
0
1
10
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 15. ISL28271 INPUT VOLTAGE NOISE SPECTRAL
DENSITY
6
5
4
3
2
A_V = 10
1
01
10
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 17. ISL28271 INPUT CURRENT NOISE SPECTRAL
DENSITY
700
600
500
400
300
A_V = 100
200
100
0
1
10
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 16. ISL28272 INPUT VOLTAGE NOISE SPECTRAL
DENSITY
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1
A_V = 100
10
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 18. ISL28272 INPUT CURRENT NOISE SPECTRAL
DENSITY
6
FN6390.2
August 17, 2007