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ISL28134IBZ Datasheet, PDF (11/25 Pages) Intersil Corporation – 5V Ultra Low Noise, Zero Drift Rail-to-Rail Precision Op Amp
ISL28134
Typical Performance Curves TA = +25°C, VCM = 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)
FIGURE 25. OPEN LOOP GAIN AND PHASE, RL = 10k
90
80 AV = 10,000
Rg = 10, Rf = 100k
70
AV = 1000
60
Rg = 100, Rf = 100k
50
AV = 100
40
30 AV = 10
20
10
AV = 1
0
-10
-20
Rg = 1k, Rf = 100k
Rg = 10k, Rf = 100k
Rg = OPEN, Rf = 0
Vs = ± 2.5V
CL = 3.7pF
RL = 100k
VOUT = 10mVP-P
-30
-40
10
100
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
FIGURE 26. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
2
1
0
1
-2
-3
RL > 10kΩ
-4
RL = 1kΩ
-5
-6
Vs = ± 1.25V
AV = 1V
-7
CL = 3.7pF
VOUT = 10mVP-P
-8
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 27. GAIN vs FREQUENCY vs RL, VS = 2.5V
15
Vs = ± 2.5V
AV = 2V
10 RL = 100k
VOUT = 10mVP-P
5
Rg = 100k, Rf = 100k
Rg = 10k, Rf = 10k
0
Rg = 1k, Rf = 1k
-5
-10
100
1k
10k
100k
1M
10M 100M
FREQUENCY (Hz)
FIGURE 29. GAIN vs FREQUENCY vs FEEDBACK RESISTOR VALUES
Rf/Rg
4
2
RL > 10kΩ
0
-2
RL = 1kΩ
-4
-6
Vs = ± 2.5V
-8
AV = 1V
CL = 3.7pF
VOUT = 10mVP-P
-10
100k
1M
10M
100M
FREQUENCY (Hz)
FIGURE 28. GAIN vs FREQUENCY vs RL, VS = 5.0V
2
0
-2
-4
-6
Vs = ± 2.5V
-8
AV = 1V
RL = OPEN
CL = 3.7pF
-10
10
100
1k
1VP-P
500mVP-P
250mVP-P
100mVP-P
10mVP-P
10k 100k 1M 10M
FREQUENCY (Hz)
FIGURE 30. GAIN vs FREQUENCY vs VOUT
100M
11
FN6957.3
December 22, 2011