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ISL28117_1110 Datasheet, PDF (23/33 Pages) Intersil Corporation – 40V Precision Low Power Operational Amplifiers
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ISL28117, ISL28217, ISL28417
Characterization vs Simulation Results
100
100
VS = ±18.2V
AV = 1
10
10
1
1
10
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 57. CHARACTERIZED INPUT NOISE VOLTAGE
70
AV = 1000
60
50
AV = 100
40
30
Rg = 100, Rf = 100k
Rg = 1k, Rf = 100k
VS = ±20V
CL = 4pF
RL = 10k
VOUT = 50mVP-P
AV = 10
20
Rg = 10k, Rf = 100k
10
AV = 1
0
-1010
Rg = OPEN, Rf = 0
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 59. CHARACTERIZED CLOSED LOOP GAIN vs FREQUENCY
2
1
RL = 10k
0
-1
RL = 4.99k
-2
-3
-4
-5 VS = ±20V
CL = 4pF
-6 AV = +1
-7 VOUT = 50mVP-P
RL = 1k
RL = 499
RL = 100
-8
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 61. CHARACTERIZED CLOSED LOOP GAIN vs RL
1.0
1.0
10
100
1.0k
10k
100k
FREQUENCY (Hz)
FIGURE 58. SIMULATED INPUT NOISE VOLTAGE
70
AV = 1000
60
AV = 100
40
AV = 10
20
Rg = 10k, Rf = 100k
Rg = 100, Rf = 100k
Rg = 1k, Rf = 100k
VS = ±15V
CL = 4pF
RL = 10k
VOUT = 50mVP-P
0 AV = 1
-10
10
Rg = OPEN, Rf = 0
100
1.0k
10k
100k
FREQUENCY (Hz)
1.0M 10M
FIGURE 60. SIMULATED CLOSED LOOP GAIN vs FREQUENCY
1
RL = 10k
0
RL = 4.99k
RL = 1k
-2
-4
VS = ±15V
CL = 4pF
-6 AV = +1
VOUT = 50mVP-P
RL = 499
RL =100
-8
10
100
1.0k
10k
100k
1.0M 10M
FREQUENCY (Hz)
FIGURE 62. SIMULATED CLOSED LOOP GAIN vs RL
23
October 13, 2011
FN6632.8
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