ISL28107_1110 Datasheet, PDF (23/32 Pages) Intersil Corporation – Precision Single, Dual and Quad Low Noise Operational Amplifiers

ISL28107, ISL28207, ISL28407
Characterization vs Simulation Results
1000
V₊ = ±19V
A_V = 1
1000
100
100
10
0.1
1
10
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 58. CHARACTERIZED INPUT NOISE VOLTAGE
70
60 ^{AV = 1000}
50
A_V = 100
40
30
20 ^{AV = 10}
10 ^{Rg = 10k, Rf = 100k}
0 ^{AV = 1}
R_g = 100, R_f = 100k
R_g = 1k, R_f = 100k
V₊ = ±20V
C_L = 4pF
R_L = 10k
V_OUT = 100mV_P-P
-10
R_g = OPEN, R_f = 0
-20
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 60. CHARACTERIZED CLOSED LOOP GAIN vs
FREQUENCY
1
0
-1
-2
R_L = 100k
-3
R_L = 10k
-4
-5
-6 ^{V+ = ±20V}
-7
C_L = 4pF
A_V = +1
-8 _{VOUT = 100mVP-P}
R_L = 1k
R_L = 499
-9
1k
10k
100k
1M
FREQUENCY (Hz)
10M
FIGURE 62. CHARACTERIZED CLOSED LOOP GAIN vs R_L
10
100m 1.0
10
100
1k
FREQUENCY (Hz)
10k 100k
FIGURE 59. SIMULATED INPUT NOISE VOLTAGE
70
A_V = 1000
60
A_V = 100
40
R_g = 100, R_f = 100k
R_g = 1k, R_f = 100k
A_V = 10
20
R_g = 10k, R_f = 100k
0 ^{AV = 1}
R_g = OPEN, R_f = 0
-20
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 61. SIMULATED CLOSED LOOP GAIN vs FREQUENCY
1
0
R_L = 100k
R_L = 1k
-2
R_L = 10k
-4
V₊ = ±15V
-6 C_L = 4pF
A_V = +1
-8 ^{VOUT = 100mVP-P}
R_L = 499
-9
1k
10k
100k
1M
FREQUENCY (Hz)
10M
FIGURE 63. SIMULATED CLOSED LOOP GAIN vs R_L
23
FN6631.5
October 21, 2011