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ISL28108_1111 Datasheet, PDF (25/32 Pages) Intersil Corporation – 40V Precision Single Supply Rail-Rail Output Low Power Operational Amplifiers
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ISL28108, ISL28208, ISL28408
Characterization vs Simulation Results (Continued)
1
0
-1
-2
-3
-4
RL = OPEN, 100k, 10k
-5
RL = 1k
-6 VS = ±15V
RL = 499
-7 CL = 4pF
RL = 100
-8 AV = +1
VOUT = 100mVP-P
RL = 49.9
-9
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
1
0
-1
-2
-3
-4
RL = OPEN, 100k, 10k
-5
RL = 1k
-6 VS = ±15V
-7 CL = 4pF
-8 AV = +1
VOUT = 100mVP-P
-9
100
1k
10k
RL = 499
RL = 100
RL = 49.9
100k
1M
10M
FREQUENCY (Hz)
FIGURE 75. CHARACTERIZED GAIN vs FREQUENCY vs RL
FIGURE 76. SIMULATED GAIN vs FREQUENCY vs RL
150
140
130
120
110
100
90
80
70
60
50
40
30 VS = ±15V
20 SIMULATION
10
0
1m 0.01 0.1 1
10 100 1k 10k 100k 1M 10M 100M 1G
FREQUENCY (Hz)
FIGURE 77. CHARACTERIZED CMRR vs FREQUENCY
150
100
50
VS = ±15V
SIMULATION
0
1m 0.01 0.1 1 10 100 1k 10k 100k 1M 10M 100M 1G
FREQUENCY (Hz)
FIGURE 78. SIMULATED CMRR vs FREQUENCY
6
VS = ±15V
4
AV = 1
RL = 2k
CL = 4pF
2
0
-2
-4
-6 0
100
200
300
400
TIME (µs)
FIGURE 79. CHARACTERIZED LARGE SIGNAL 10V STEP RESPONSE
6
VS = ±15V
4
AV = 1
RL = 2k
CL = 4pF
2
0
-2
-4
-6 0
100
200
300
400
TIME (µs)
FIGURE 80. SIMULATED LARGE SIGNAL 10V STEP RESPONSE
25
FN6935.3
November 1, 2011
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