ISL28108_1111 Datasheet, PDF (24/32 Pages) Intersil Corporation – 40V Precision Single Supply Rail-Rail Output Low Power Operational Amplifiers

ISL28108, ISL28208, ISL28408
Characterization vs Simulation Results
100
100
10
0.1
1
10
100
1k
10k 100k
FREQUENCY (Hz)
FIGURE 69. CHARACTERIZED INPUT NOISE VOLTAGE
10
0.1
1
10
100
1k
10k
FREQUENCY (Hz)
FIGURE 70. SIMULATED INPUT NOISE VOLTAGE
100k
200
180
160
140
PHASE
120
100
80
60
40
20
0
GAIN
-20
-40 ^{VS = ±15V}
-60 ^{RL = 1MΩ}
-80 ^SIMULATION
-100
0.1 1 10 100 1k 10k 100k 1M
FREQUENCY (Hz)
10M 100M 1G
FIGURE 71. CHARACTERIZED OPEN-LOOP GAIN, PHASE vs
FREQUENCY
200
150
PHASE
100
50
0
GAIN
-50
V_S = ±15V
R_L = 1MΩ
SIMULATION
-100
0.1 1 10
100 1k 10k 100k 1M
FREQUENCY (Hz)
10M 100M 1G
FIGURE 72. SIMULATED OPEN-LOOP GAIN, PHASE vs FREQUENCY
70
60 ^{ACL = 1001}
50
40 ^{ACL = 101}
30
A_CL = 10
20
R_F = 10kΩ, R_G = 10Ω
R_F = 10kΩ, R_G = 100Ω
V_S = ±5V, ±15V
C_L = 4pF
R_L = 2k
V_OUT = 100mV_P-P
10 R_F = 10kΩ, R_G = 1.1kΩ
0 ^{ACL = 1}
-10
R_F = 0, R_G = ∞
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 73. CHARACTERIZED CLOSED LOOP GAIN vs FREQUENCY
70
R_F = 10kΩ, R_G = 10Ω
60
R_F = 10kΩ, R_G = 100Ω
50
V_S = ±5V, ±15V
40
C_L = 4pF
R_L = 2k
30
V_OUT = 100mV_P-P
20
10 R_F = 10kΩ, R_G = 1.1kΩ
0
-10
R_F = 0, R_G = ∞
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 74. SIMULATED CLOSED LOOP GAIN vs FREQUENCY
24
FN6935.3
November 1, 2011