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ISL28107_10 Datasheet, PDF (19/23 Pages) Intersil Corporation – Precision Single and Dual Low Noise Operational Amplifiers
ISL28107, ISL28207
Characterization vs Simulation Results
1000
V+ = ±19V
AV = 1
1000
100
100
10
0.1
1
10
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 56. CHARACTERIZED INPUT NOISE VOLTAGE
10
100m 1.0
10
100
1k
10k 100k
FREQUENCY (Hz)
FIGURE 57. SIMULATED INPUT NOISE VOLTAGE
70
60 AV = 1000
50
AV = 100
40
30
20 AV = 10
10 Rg = 10k, Rf = 100k
0 AV = 1
Rg = 100, Rf = 100k
Rg = 1k, Rf = 100k
V+ = ±20V
CL = 4pF
RL = 10k
VOUT = 100mVP-P
-10
Rg = OPEN, Rf = 0
-20
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 58. CHARACTERIZED CLOSED LOOP GAIN vs
FREQUENCY
70
AV = 1000
60
AV = 100
Rg = 100, Rf = 100k
Rg = 1k, Rf = 100k
40
AV = 10
20 Rg = 10k, Rf = 100k
AV = 1
0
Rg = OPEN, Rf = 0
-20
10
100
1k
10k
100k 1M
10M
FREQUENCY (Hz)
FIGURE 59. SIMULATED CLOSED LOOP GAIN vs
FREQUENCY
1
0
-1
-2
RL = 100k
-3
RL = 10k
-4
-5
-6 V+ = ±20V
-7
CL = 4pF
AV = +1
-8 VOUT = 100mVP-P
RL = 1k
RL = 499
-9
1k
10k
100k
1M
FREQUENCY (Hz)
10M
FIGURE 60. CHARACTERIZED CLOSED LOOP GAIN vs
RL
1
0
RL = 100k
RL = 1k
-2
RL = 10k
-4
V+ = ±15V
-6 CL = 4pF
AV = +1
-8 VOUT = 100mVP-P
RL = 499
-9
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 61. SIMULATED CLOSED LOOP GAIN vs RL
19
FN6631.2
April 8, 2010