ISL28134_14 Datasheet, PDF (19/25 Pages) Intersil Corporation – 5V Ultra Low Noise, Zero Drift Rail-to-Rail Precis Op Amp

ISL28134
Characterization vs Simulation Results
100
400
100
10
V_S = ±2.5V
A_V = 1
1
0.001 0.01 0.1
1
10 100 1000 10k 100k
FREQUENCY (Hz)
FIGURE 50. CHARACTERIZED INPUT NOISE VOLTAGE
140
GAIN
PHASE
120
100
80
60
40
20 _{VS = ±2.5V}
0
R_L = 10MΩ
SIMULATION
-20
0.1 1
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
FIGURE 52. CHARACTERIZED OPEN-LOOP GAIN, PHASE vs
FREQUENCY
90
80 ^{AV = 10,000}
70
60 ^{AV = 1000}
R_g = 10, R_f = 100k
R_g = 100, R_f = 100k
50
40
A_V = 100
30 _{AV = 10}
20
10 _{AV = 1}
0
-10
-20
R_g = 1k, R_f = 100k
R_g = 10k, R_f = 100k
R_g = OPEN, R_f = 0
V_S = ± 2.5V
C_L = 3.7pF
R_L = 100k
V_OUT = 10mV_P-P
-30
-40
10
100
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
FIGURE 54. CHARACTERIZED CLOSED-LOOP GAIN vs FREQUENCY
10
V_S = ±2.5V
A_V = 1
1.0
1.0m 10m 100m 1.0 10 100 1.0k 10k
FREQUENCY (Hz)
FIGURE 51. SIMULATED INPUT NOISE VOLTAGE
100k
140
120
GAIN
100
PHASE
80
60
40
20
V_OS = 0
0
-20
0.1 1
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
FIGURE 53. SIMULATED OPEN-LOOP GAIN, PHASE vs FREQUENCY
90 _{AV = 10,000}
80
R_g = 10, R_f = 100k
70 _{AV = 1000}
60
R_g = 100, R_f = 100k
50 _{AV = 100}
40
30 A_V = 10
20
R_g = 1k, R_f = 100k
V_S = ± 2.5V
C_L = 3.7pF
R_L = 100k
V_OUT = 10mV_P-P
10 _{AV = 1}
0
-10
-20
R_g = 10k, R_f = 100k
R_g = OPEN, R_f = 0
-30
-40
10
100
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
FIGURE 55. SIMULATED CLOSED-LOOP GAIN vs FREQUENCY
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FN6957.6
October 14, 2014