ISL28133 Datasheet, PDF (15/20 Pages) Intersil Corporation – Single, Dual, and Quad Micropower, Zero-Drift, RRIO Operational Amplifiers

ISL28133
Characterization vs Simulation Results
1000
V+ = 5V
AV = 1
1000
V₊ = 5V
A_V = 1
100
100
10
0.001 0.01 0.1 1
10 100 1k
FREQUENCY (Hz)
10k 100k
FIGURE 37. CHARACTERIZED INPUT NOISE VOLTAGE
DENSITY vs FREQUENCY
10
0.1
1
10
100
1k
FREQUENCY (Hz)
10k 100k
FIGURE 38. SIMULATED INPUT NOISE VOLTAGE
DENSITY vs FREQUENCY
70
60 ^{AV = 1000}
R_g = 100, R_f = 100k
50
40 ^{AV = 100}
30
20 ^{AV = 10}
R_g = 1k, R_f = 100k
V₊ = 5V
C_L = 3.7pF
R_L = 100k
V_OUT = 10mV_P-P
10
R_g = 10k, R_f = 100k
0 ^{AV = 1}
-10
10
R_g = OPEN, R_f = 0
100
1k
10k 100k 1M
FREQUENCY (Hz)
10M
FIGURE 39. CHARACTERIZED FREQUENCY RESPONSE
vs CLOSED LOOP GAIN
70
AV = 1000
60
Rg = 100, Rf = 100k
50
AV = 100
40
Rg = 1k, Rf = 100k
30
AV = 10
20
Rg = 10k, Rf = 100k
10
AV = 1
0
-10
10
100
Rg = 10M Rf = 1
1k
10k 100k 1M
FREQUENCY (Hz)
10M
FIGURE 40. SIMULATED FREQUENCY RESPONSE vs
CLOSED LOOP GAIN
8
CL = 824pF
6
CL = 474pF
4
CL = 224pF
2
0
-2
-4 _{V+ = 5V}
-6 ^{RL = 100k}
CL = 104pF
AV = +1
CL = 51pF
-8 _{VOUT = 10mVP-P CL = 3.7pF}
-10
100
1k
10k
100k
1M
FREQUENCY (Hz)
10M
FIGURE 41. CHARACTERIZED GAIN vs FREQUENCY vs
C_L
8
CL = 824pF
6
CL = 474pF
4
CL = 224pF
2
0
-2
-4
-6
CL = 3.7pF
-8
-10
100
1k
10k
100k
1M
FREQUENCY (Hz)
10M
FIGURE 42. SIMULATED GAIN vs FREQUENCY vs C_L
15
FN6560.3
August 12, 2010