ISL28118_15 Datasheet, PDF (23/29 Pages) Intersil Corporation – 40V Precision Single-Supply, Rail-to-rail Output, Low-power Operational Amplifiers

ISL28118, ISL28218
Characterization vs Simulation Results
100
100
100
V_S = ±18V
INPUT NOISE VOLTAGE
10
10
10
INPUT NOISE CURRENT
1
1
1
0.1
0.1
1
10
100
1k
FREQUENCY (Hz)
0.1
10k
100k
FIGURE 66. CHARACTERIZED INPUT NOISE VOLTAGE
0.1
0.1
1
10
100
1k
FREQUENCY (Hz)
10k
100k
FIGURE 67. SIMULATED INPUT NOISE VOLTAGE
200
180
160
140
PHASE
120
100
80
60
40
20
0
GAIN
-20
-40
-60 V_S = ±15V
-80 R_L = 1MΩ
-100
1m 0.01 0.1 1
10 100 1k 10k 100k 1M 10M100M 1G
FREQUENCY (Hz)
FIGURE 68. CHARACTERIZED 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
1m 0.01 0.1 1
PHASE
GAIN
10 100 1k 10k 100k 1M 10M100M 1G
FREQUENCY (Hz)
FIGURE 69. SIMULATED OPEN-LOOP GAIN, PHASE vs FREQUENCY
70
60 ^{ACL = 1000}
50
40 ^{ACL = 100}
30
20 ^{ACL = 10}
R_f = 10kΩ, R_G = 10Ω
R_f = 10kΩ, R_G = 100Ω
V_S = ±5V AND ±15V
C_L = 4pF
R_L = 2k
V_OUT = 100mV_P-P
10
0 ^{ACL = 1}
R_f = 10kΩ, R_G = 1kΩ
-10
100
R_f = 0, R_G = ∞
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 70. CHARACTERIZED CLOSED-LOOP GAIN vs FREQUENCY
70
A_CL = 1000
60
50
A_CL = 100
40
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 ^{RF = 10kΩ, RG = 1kΩ}
0 ^{ACL = 1}
-10
100
R_F = 0, R_G = ∞
1k
10k
100k
1M
FREQUENCY (Hz)
10M
FIGURE 71. SIMULATED CLOSED-LOOP GAIN vs FREQUENCY
Submit Document Feedback ₂₃
FN7532.7
July 27, 2015