ISL28433FRTZ INTERSIL [Intersil Corporation], ISL28433FRTZ Datasheet - Page 18

• Manufacturer Part Number: ISL28433FRTZ
• Description: Dual and Quad Micropower Chopper Stabilized, RRIO Operational Amplifiers
• Manufacturer: INTERSIL [Intersil Corporation]

Characterization vs Simulation Results
FIGURE 44. CHARACTERIZED INPUT NOISE VOLTAGE DENSITY
FIGURE 46. CHARACTERIZED FREQUENCY RESPONSE vs
FIGURE 48. CHARACTERIZED GAIN vs FREQUENCY vs C
1000
-10
-10
100
70
60
50
40
30
20
10
-2
-4
-6
-8
10
0
8
6
4
2
0
100
0.001
10
A
A
A
A
V+ = 5V
R
A
V
V
V
V
V
V
OUT
L
V+ = 5V
A
= 1000
= 1
= 100
= 10
= 100k
= +1
V
0.01
vs FREQUENCY
CLOSED LOOP GAIN
= 1
= 10mVP-P
100
R
g
1k
= 10k, R
R
0.1
g
= OPEN, R
CL = 824pF
C
C
C
1k
L
L
L
FREQUENCY (Hz)
f
FREQUENCY (Hz)
= 824pF
= 474pF
= 224pF
FREQUENCY (Hz)
10k
= 100k
C
C
1
C
L
R
L
L
g
18
= 104pF
= 51pF
= 3.7pF
= 100, R
10k
f
R
= 0
10
g
= 1k, R
100k
f
100
= 100k
100k
V
C
V
R
f
+
OUT
L
L
= 100k
= 5V
= 3.7pF
= 100k
= 10mV
1k
1M
ISL28233, ISL28433
1M
10k
P-P
L
10M
10M
100k
FIGURE 45. SIMULATED INPUT NOISE VOLTAGE DENSITY vs
FIGURE 47. SIMULATED FREQUENCY RESPONSE vs CLOSED
-10
1000
70
60
50
40
30
20
10
100
0
-10
10
10
-2
-4
-6
-8
FIGURE 49. SIMULATED GAIN vs FREQUENCY vs C
8
6
4
2
0
100
A
A
0.1
A
A
V
V
V
V
= 100
= 1000
= 1
= 10
V
A
+
V
= 5V
= 1
FREQUENCY
LOOP GAIN
100
1
1k
C
CL = 224pF
C
1k
C
L
10
L
Rg = 10M Rf = 1
FREQUENCY (Hz)
L
FREQUENCY (Hz)
= 824pF
FREQUENCY (Hz)
= 224pF
= 474pF
10k
C
L
Rg = 100, Rf = 100k
= 3.7pF
100
10k
100k
Rg = 10k, Rf = 100k
Rg = 1k, Rf = 100k
100k
1k
1M
10k
1M
July 26, 2011
L
FN7692.3
10M
100k
10M