ISL28134
11
FN6957.5
July 12, 2013
FIGURE 25. OPEN LOOP GAIN AND PHASE, RL = 10k
FIGURE 26. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
FIGURE 27. GAIN vs FREQUENCY vs RL, VS = 2.5V
FIGURE 28. GAIN vs FREQUENCY vs RL, VS = 5.0V
FIGURE 29. GAIN vs FREQUENCY vs FEEDBACK RESISTOR VALUES
Rf/Rg
FIGURE 30. GAIN vs FREQUENCY vs VOUT
Typical Performance Curves T
A = +25°C, VCM = 0V Unless otherwise specified. (Continued)
G
A
IN
(
d
B
)
/P
HAS
E
(
°)
0
20
40
60
80
100
120
140
-20
Vs = ±2.5V
SIMULATION
RL = 10k
GAIN
PHASE
0.1
1
10
100
1k
10k
1M
FREQUENCY (Hz)
100k
10M 100M
0
10
20
30
40
50
60
70
10
100
1k
10k
100k
1M
100M
FREQUENCY (Hz)
GAIN
(dB)
10M
80
90
-10
-20
-30
-40
AV = 1000
AV = 10,000
AV = 100
AV = 10
AV = 1
Rg = OPEN, Rf = 0
Rg = 10k, Rf = 100k
Rg = 1k, Rf = 100k
Rg = 100, Rf = 100k
Rg = 10, Rf = 100k
Vs = ± 2.5V
VOUT = 10mVP-P
CL = 3.7pF
RL = 100k
GAIN
(dB)
FREQUENCY (Hz)
10k
100k
1M
10M
Vs = ± 1.25V
VOUT = 10mVP-P
AV = 1V
CL = 3.7pF
RL > 10k
RL = 1k
-6
-4
-2
0
2
-8
-5
-3
1
-7
-6
-4
-2
0
2
4
-8
-10
GAIN
(
d
B)
FREQUENCY (Hz)
100k
1M
10M
100M
Vs = ± 2.5V
VOUT = 10mVP-P
AV = 1V
CL = 3.7pF
RL = 1k
RL > 10k
NORMAL
IZ
ED
GAIN
(dB)
-10
-5
0
5
10
15
100
1k
10k
100k
1M
100M
FREQUENCY (Hz)
10M
Vs = ± 2.5V
VOUT = 10mVP-P
AV = 2V
RL = 100k
Rg = 100k, Rf = 100k
Rg = 10k, Rf = 10k
Rg = 1k, Rf = 1k
10
100
1k
10k
100k
1M
100M
10M
G
A
IN
(
d
B)
FREQUENCY (Hz)
-6
-4
-2
0
2
-8
-10
Vs = ± 2.5V
CL = 3.7pF
AV = 1V
RL = OPEN
1VP-P
500mVP-P
250mVP-P
100mVP-P
10mVP-P