ISL76627 Datasheet, PDF (16/18 Pages) Intersil Corporation – Precision Low Noise Operational Amplifier

ISL76627
Characterization vs Simulation Results (Continued)
200
180
160
140
120
100
80
60
40
20
0
-20
-40
-60
R_L = 10k
C_L = 10pF
-80 ^SIMULATION
-100
0.1m 1m 10m100m 1
PHASE
GAIN
10 100 1k 10k 100k 1M 10M100M
FREQUENCY (Hz)
FIGURE 44. SIMULATED OPEN-LOOP GAIN, PHASE vs
FREQUENCY
200
150
PHASE
100
50
0
GAIN
R_L = 10k
-50 ^{CL = 10pF}
MODEL V_OS SET TO ZERO
FOR THIS TEST
-100
0.1Hz
10Hz
1.0k
100k
10M
FREQUENCY (Hz)
FIGURE 45. SIMULATED OPEN-LOOP GAIN, PHASE vs
FREQUENCY
130
120
V_S = ±5V
110
100
V_S = ±2.25V
90
80
70
V_S = ±15V
60
50
40
30
20
R_L = INF
C_L = 5.25pF
10 ^{AV = +1}
0 ^{VCM = 1VP-P}
-1010
100
1k
10k 100k 1M
10M
FREQUENCY (Hz)
FIGURE 46. CHARACTERIZED CMRR vs FREQUENCY
150
100
50
0
GENERATED USING FULL
MODEL. CMRR DELTA INPUT
BASE VOLTAGE/V_CM
INPUT VOLTAGE
-50
10m 1.0Hz 100Hz 10k 1.0M
100M
FREQUENCY (Hz)
10G 1.0T
FIGURE 47. SIMULATED CMRR vs FREQUENCY
16
FN7725.0
July 12, 2011