ISL28127_10 Datasheet, PDF (17/23 Pages) Intersil Corporation – Precision Single and Dual Low Noise Operational Amplifiers

ISL28127, ISL28227
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 42. 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 43. 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}
-10
10
100
1k
10k 100k 1M
10M
FREQUENCY (Hz)
FIGURE 44. 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 45. SIMULATED CMRR vs FREQUENCY
17
FN6633.3
March 18, 2010