ISL28134_14 Datasheet, PDF (11/25 Pages) Intersil Corporation – 5V Ultra Low Noise, Zero Drift Rail-to-Rail Precis Op Amp

ISL28134
Typical Performance Curves T_A = +25°C, V_CM = 0V Unless otherwise specified. (Continued)
140
GAIN
PHASE
120
100
80
60
40
20 _{VS = ±2.5V}
0 ^{RL = 10kΩ}
SIMULATION
-20
0.1 1
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
90
80 ^{AV = 10,000}
70
60 ^{AV = 1000}
R_g = 10, R_f = 100k
R_g = 100, R_f = 100k
50
40
A_V = 100
30 _{AV = 10}
20
10 _{AV = 1}
0
-10
-20
R_g = 1k, R_f = 100k
R_g = 10k, R_f = 100k
R_g = OPEN, R_f = 0
VC_SL
=
=
± 2.5V
3.7pF
R_L = 100k
V_OUT = 10mV_P-P
-30
-40
10
100
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
FIGURE 25. OPEN LOOP GAIN AND PHASE, R_L = 10k
FIGURE 26. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
2
1
0
1
-2
-3
R_L > 10kΩ
-4
R_L = 1kΩ
-5
-6
V_S = ± 1.25V
A_V = 1V
-7
C_L = 3.7pF
V_OUT = 10mV_P-P
-8
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 27. GAIN vs FREQUENCY vs R_L, V_S = 2.5V
15
V_S = ± 2.5V
A_V = 2V
10
R_L = 100k
V_OUT = 10mV_P-P
5
R_g = 100k, R_f = 100k
R_g = 10k, R_f = 10k
0
R_g = 1k, R_f = 1k
-5
-10
100
1k
10k
100k
1M
10M 100M
FREQUENCY (Hz)
FIGURE 29. GAIN vs FREQUENCY vs FEEDBACK RESISTOR VALUES
R_f/R_g
4
2
R_L > 10kΩ
0
-2
R_L = 1kΩ
-4
-6
-8
VA_VS
=
=
± 2.5V
1V
C_L = 3.7pF
V_OUT = 10mV_P-P
-10
100k
1M
10M
100M
FREQUENCY (Hz)
FIGURE 28. GAIN vs FREQUENCY vs R_L, V_S = 5.0V
2
0
-2
-4
-6
-8
-10
10
V_S = ± 2.5V
A_V = 1V
R_L = OPEN
C_L = 3.7pF
100
1k
1V_P-P
500mV_P-P
250mV_P-P
100mV_P-P
10mV_P-P
10k 100k 1M 10M
FREQUENCY (Hz)
FIGURE 30. GAIN vs FREQUENCY vs V_OUT
100M
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FN6957.6
October 14, 2014