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ISL28108_1107 Datasheet, PDF (20/26 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
100
100
10
0.1
1
10
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 57. CHARACTERIZED INPUT NOISE VOLTAGE
10
0.1
1
10
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 58. SIMULATED INPUT NOISE VOLTAGE
200
180
160
140
PHASE
120
100
80
60
40
20
0
GAIN
-20
-40 VS = ±15V
-60 RL = 1Mâ¦
-80 SIMULATION
-100
0.1 1 10 100 1k 10k 100k 1M
FREQUENCY (Hz)
10M 100M 1G
FIGURE 59. CHARACTERIZED OPEN-LOOP GAIN, PHASE vs
FREQUENCY
200
150
PHASE
100
50
0
GAIN
-50
VS = ±15V
RL = 1Mâ¦
SIMULATION
-100
0.1 1 10
100 1k 10k 100k 1M
FREQUENCY (Hz)
10M 100M 1G
FIGURE 60. SIMULATED OPEN-LOOP GAIN, PHASE vs FREQUENCY
70
60 ACL = 1001
50
40 ACL = 101
30
ACL = 10
20
RF = 10kâ¦, RG = 10â¦
RF = 10kâ¦, RG = 100â¦
VS = ±5V, ±15V
CL = 4pF
RL = 2k
VOUT = 100mVP-P
10 RF = 10kâ¦, RG = 1.1kâ¦
0 ACL = 1
-10
RF = 0, RG = â
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 61. CHARACTERIZED CLOSED LOOP GAIN vs FREQUENCY
70
RF = 10kâ¦, RG = 10â¦
60
RF = 10kâ¦, RG = 100â¦
50
VS = ±5V, ±15V
40
CL = 4pF
RL = 2k
30
VOUT = 100mVP-P
20
10 RF = 10kâ¦, RG = 1.1kâ¦
0
-10
RF = 0, RG = â
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 62. SIMULATED CLOSED LOOP GAIN vs FREQUENCY
20
FN6935.2
July 1, 2011
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