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ISL28118_1109 Datasheet, PDF (22/28 Pages) Intersil Corporation – 40V Precision Single-Supply, Rail-to-Rail Output, Low-Power Operational Amplifiers | |||
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ISL28118, ISL28218
Characterization vs Simulation Results
100
100
100
VS = ±18V
INPUT NOISE VOLTAGE
10
10
10
INPUT NOISE CURRENT
1
1
1
0.1
0.1
1
0.1
10
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 66. CHARACTERIZED INPUT NOISE VOLTAGE
0.1
0.1
1
10
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 67. SIMULATED INPUT NOISE VOLTAGE
200
180
160
PHASE
140
120
100
80
60
40
20
0
GAIN
-20
-40
-60 VS = ±15V
-80 RL = 1Mâ¦
-100
1m 0.01 0.1 1
10 100 1k 10k 100k 1M 10M100M 1G
FREQUENCY (Hz)
FIGURE 68. CHARACTERIZED OPEN-LOOP GAIN, PHASE vs
FREQUENCY
200
180
160
PHASE
140
120
100
80
60
40
20
0
GAIN
-20
-40
-60 VS = ±15V
-80 RL = 1Mâ¦
-100
1m 0.01 0.1 1
10 100 1k 10k 100k 1M 10M100M 1G
FREQUENCY (Hz)
FIGURE 69. SIMULATED OPEN-LOOP GAIN, PHASE vs FREQUENCY
70
60 ACL = 1000
50
40 ACL = 100
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 = 1kâ¦
ACL = 1
0
RF = 0, RG = â
-10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 70. CHARACTERIZED CLOSED-LOOP GAIN vs FREQUENCY
70
60 ACL = 1000
50
40 ACL = 100
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 = 1kâ¦
0 ACL = 1
-10
RF = 0, RG = â
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 71. SIMULATED CLOSED-LOOP GAIN vs FREQUENCY
22
FN7532.3
September 21, 2011
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