ISL28110_1012 Datasheet, PDF (20/25 Pages) Intersil Corporation – Precision Low Noise JFET Operational Amplifiers

ISL28110, ISL28210
Characterization vs Simulation Results (Continued)
6
V_S = ±15V
4 ^AV ^{= 1}
R_L = 2k
2 ^{CL = 4pF}
6
V_S = ±15V
4 A_V = 1
R_L = 2k
2 ^{CL = 4pF}
0
0
-2
-2
-4
-4
-6
0 1 2 3 4 5 6 7 8 9 10
TIME (µs)
FIGURE 52. CHARACTERIZED LARGE SIGNAL
TRANSIENT RESPONSE vs R_L, V_S = ±0.9V,
±2.5V
-6
0
2
4
6
8
10
TIME (µs)
FIGURE 53. SIMULATED LARGE SIGNAL TRANSIENT
RESPONSE vs R_L, V_S = ±0.9V, ±2.5V
200
180
160
140
120
100
80
60
40
20
0
-20
-40
-60 ^VS ^{= ±15V}
-80 ^RL^=1MΩ
-100
0.1 1 10
PHASE
GAIN
100 1k 10k 100k 1M 10M 100M 1G
FREQUENCY (Hz)
FIGURE 54. SIMULATED (DESIGN) OPEN-LOOP GAIN,
PHASE vs FREQUENCY
200
180
160
140
120
100
80
60
40
20
0
-20
-40
-60 V_S = ±15V
-80 R_L=1MΩ
-100
0.1 1 10
PHASE
GAIN
100 1k 10k 100k 1M 10M 100M 1G
FREQUENCY (Hz)
FIGURE 55. SIMULATED (SPICE) OPEN-LOOP GAIN,
PHASE vs FREQUENCY
130
120
110
100
90
80
70
60
50
40
30
20 VS = ±15V
10 ^SIMULATION
0
0.1 1 10
100 1k 10k 100k 1M
FREQUENCY (Hz)
10M 100M
FIGURE 56. SIMULATED (DESIGN) CMRR
20
130
120
110
100
90
80
70
60
50
40
30
20 VS = ±15V
10 ^SIMULATION
0
0.1 1 10
100 1k 10k 100k 1M
FREQUENCY (Hz)
10M 100M
FIGURE 57. SIMULATED (SPICE) CMRR
FN6639.1
December 8, 2010