ISL28177_14 Datasheet, PDF (11/15 Pages) Intersil Corporation – 40V General Purpose Precision Operational Amplifier

ISL28177
Characterization vs Simulation Results
10000
1000
100
10
10000
V_S = ±18V
INPUT NOISE CURRENT
INPUT NOISE VOLTAGE
1000
100
10
10000
1000
100
10
V_S = ±15V
INPUT NOISE VOLTAGE
1
0.1
1
10
100
1k
FREQUENCY (Hz)
1
10k
100k
FIGURE 24. CHARACTERIZED INPUT NOISE VOLTAGE
1
0.1
1
10
100
1k
10k
FREQUENCY (Hz)
FIGURE 25. SIMULATED INPUT NOISE VOLTAGE
100k
70
A_CL = 1001
60
50
40 ^{ACL = 101}
30
A_CL = 10
20
R_F = 100kΩ, R_G = 100
R_F = 100kΩ, R_G = 1k
V_S = ±15V
C_L = 4pF
R_L = OPEN
V_OUT = 50mV_P-P
10 R_F = 100kΩ, R_G = 11kΩ
0 ^{ACL = 1}
-10
R_F = 0, R_G = ∞
10
100
1k
10k 100k
1M
10M
FREQUENCY (Hz)
FIGURE 26. CHARACTERIZED CLOSED LOOP GAIN vs FREQUENCY
70
A_CL = 1001
60
50
40 ^{ACL = 101}
30
A_CL = 10
20
R_F = 100kΩ, R_G = 100
R_F = 100kΩ, R_G = 1k
V_S = ±15V
C_L = 4pF
R_L = OPEN
V_OUT = 50mV_P-P
10 R_F = 100kΩ, R_G = 11kΩ
0 ^{ACL = 1}
-10
10
R_F = 0, R_G = ∞
100
1k
10k 100k
1M
10M
FREQUENCY (Hz)
FIGURE 27. SIMULATED CLOSED LOOP GAIN vs FREQUENCY
40
A_V = 1
30 ^RL ^{= 2k AND 10k}
C_L = 4pF
20
10
V_S = ±5V
0
-10
V_S = ±15V
-20
-30
-40
0 1 2 3 4 5 6 7 8 9 10
TIME (µs)
FIGURE 28. CHARACTERIZED SMALL SIGNAL TRANSIENT
RESPONSE vs R_L, V_S = ±0.9V, ±2.5V
40
A_V = 1
30 ^RL ^{= 10k}
C_L = 4pF
20
10
0
-10
-20
-30
-40
0 1 2 3 4 5 6 7 8 9 10
TIME (µs)
FIGURE 29. SIMULATED SMALL SIGNAL TRANSIENT
RESPONSE V_S = ±15V
11
FN7859.2
April 5, 2012