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ISL28233, ISL28433
18
FN7692.3
July 26, 2011
Characterization vs Simulation Results
FIGURE 44. CHARACTERIZED INPUT NOISE VOLTAGE DENSITY
vs FREQUENCY
FIGURE 45. SIMULATED INPUT NOISE VOLTAGE DENSITY vs
FREQUENCY
FIGURE 46. CHARACTERIZED FREQUENCY RESPONSE vs
CLOSED LOOP GAIN
FIGURE 47. SIMULATED FREQUENCY RESPONSE vs CLOSED
LOOP GAIN
FIGURE 48. CHARACTERIZED GAIN vs FREQUENCY vs CL
FIGURE 49. SIMULATED GAIN vs FREQUENCY vs CL
FREQUENCY (Hz)
10
100
1000
INP
U
T
NOI
SE
VO
LT
AGE
(nV/
√Hz
0.001
0.01
0.1
1
10
100
1k
10k
100k
V+ = 5V
AV = 1
FREQUENCY (Hz)
10
100
1000
INP
U
T
NOI
SE
VO
LT
AGE
(nV/
√Hz
0.1
1
10
100
1k
10k
100k
V+ = 5V
AV = 1
-10
0
10
20
30
40
50
60
70
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
GAI
N
(d
B)
AV = 1
AV = 10
AV = 100
AV = 1000
V+ = 5V
VOUT = 10mVP-P
CL = 3.7pF
RL = 100k
Rg = 10k, Rf = 100k
Rg = 100, Rf = 100k
Rg = 1k, Rf = 100k
Rg = OPEN, Rf = 0
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
AV = 1
AV = 10
AV = 100
AV = 1000
Rg = 1k, Rf = 100k
Rg = 100, Rf = 100k
Rg = 10M Rf = 1
Rg = 10k, Rf = 100k
-10
0
10
20
30
40
50
60
70
GA
IN
(
d
B)
FREQUENCY (Hz)
NORMALIZE
D
GA
IN
(dB
)
-10
-8
-6
-4
-2
0
2
4
6
8
10k
100k
1M
10M
1k
100
V+ = 5V
RL = 100k
AV = +1
VOUT = 10mVP-P
CL = 824pF
CL = 224pF
CL = 474pF
CL = 51pF
CL = 3.7pF
CL = 104pF
CL = 824pF
CL = 474pF
CL = 224pF
CL = 824pF
CL = 3.7pF
FREQUENCY (Hz)
-10
-8
-6
-4
-2
0
2
4
6
8
10k
100k
1M
10M
1k
100
CL = 224pF
NOR
M
ALIZED
GAIN
(dB)
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ISL28217FBZ-T7A
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