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ISL28274 View Datasheet(PDF) - Intersil

Part NameDescriptionManufacturer
ISL28274 Micropower, Single Supply, Rail-to-Rail Input-Output Instrumentation Amplifier and Precision Operational Amplifier Intersil
Intersil Intersil
ISL28274 Datasheet PDF : 19 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ISL28274, ISL28474
Typical Performance Curves (Continued)
120
100
80
60
40
AV = 100
20
PSRR-
PSRR+
0
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 7. AMPLIFIER “A”(INAMP) PSRR vs FREQUENCY
700
600
500
400
300
AV = 100
200
100
0
1
10
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 8. AMPLIFIER “A”(INAMP) 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
AV = 100
10
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 9. AMPLIFIER “A”(INAMP) INPUT CURRENT NOISE
SPECTRAL DENSITY
TIME (1s/DIV)
FIGURE 10. AMPLIFIER “A”(INAMP) 0.1 Hz TO 10Hz INPUT
VOLTAGE NOISE
+1
0
-1
VS = ±2.5V
RL = 1k
-2
-3
VS = ±2.5V
RL = 10k
-4
-5 VOUT = 50mVp-p
-6
AV = 1
CL = 3pF
-7 RF=0/RG = INF
8
1k
10k
100k
FREQUENCY (Hz)
VS = ±1.2V
RL = 1k
VS = ±1.2V
RL = 10k
1M
5M
FIGURE 11. AMPLIFIER “B” (OP-AMP) FREQUENCY
RESPONSE vs SUPPLY VOLTAGE
6
45
40
35
30
25
20
15
AV = 100
RL = 10kΩ
10 CL = 3pF
RF = 100kΩ
5 RG = 1kΩ
0
100
1k
VS = ±2.5V
VS = ±1.2V
VS = ±1.0V
10k
100k
1M
FREQUENCY (Hz)
FIGURE 12. AMPLIFIER “B” (OP-AMP) FREQUENCY
RESPONSE vs SUPPLY VOLTAGE
FN6345.0
December 13, 2006
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