ISL28107, ISL28207, ISL28407
17
FN6631.7
February 25, 2013
FIGURE 39. OPEN-LOOP GAIN, PHASE vs FREQUENCY, RL =10kΩ,
CL = 10pF
FIGURE 40. OPEN-LOOP GAIN, PHASE vs FREQUENCY, RL = 10kΩ,
CL = 100pF
FIGURE 41. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
FIGURE 42. FREQUENCY RESPONSE vs FEEDBACK RESISTANCE
Rf/Rg
FIGURE 43. GAIN vs FREQUENCY vs RL
FIGURE 44. GAIN vs FREQUENCY vs RL
Typical Performance Curves V
S = ±15V, VCM = 0V, RL = Open, TA = +25°C unless otherwise specified. (Continued)
OP
EN
LO
OP
GAI
N
(d
B)
/P
HAS
E
(
°)
FREQUENCY (Hz)
-100
-80
-60
-40
-20
0
20
40
60
80
100
120
140
160
180
200
0.1m 1m 10m 100m 1
10 100
1k 10k 100k 1M 10M 100M
RL = 10k
SIMULATION
CL = 10pF
GAIN
PHASE
OP
EN
LO
OP
GAI
N
(d
B)
/P
HAS
E
(
°)
FREQUENCY (Hz)
-100
-80
-60
-40
-20
0
20
40
60
80
100
120
140
160
180
200
0.1m 1m 10m 100m 1
10 100
1k 10k 100k 1M 10M 100M
RL = 10k
SIMULATION
CL = 100pF
GAIN
PHASE
FREQUENCY (Hz)
GA
IN
(
d
B)
100k
1M
10M
10
10k
1k
100
-20
-10
0
10
20
30
40
50
60
70
AV = 1
AV = 100
AV = 1000
V+ = ±20V
VOUT = 100mVP-P
CL = 4pF
RL = 10k
AV = 10
Rg = 1k, Rf = 100k
Rg = 100, Rf = 100k
Rg = OPEN, Rf = 0
Rg = 10k, Rf = 100k
NORMALIZ
E
D
GA
IN
(dB)
FREQUENCY (Hz)
100k
1M
10M
10k
1k
-12
-10
-8
-6
-4
-2
0
2
4
6
8
Rf = Rg = 100
Rf = Rg = 10k
Rf = Rg = 1k
V+ = ±5V
RL = 10k
AV = +2
VOUT = 10mVP-P
CL = 4pF
Rf = Rg = 100k
NORMALIZ
E
D
GAIN
(dB)
FREQUENCY (Hz)
100k
1M
10M
10k
1k
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
V+ = ±5V
AV = +1
VOUT = 10mVP-P
CL = 4pF
RL = 1k
RL = 499
RL = 10k
RL = 100k
NORM
ALIZED
GAIN
(dB)
FREQUENCY (Hz)
100k
1M
10M
10k
1k
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
V+ = ±20V
AV = +1
VOUT = 100mVP-P
CL = 4pF
RL = 10k
RL = 100k
RL = 1k
RL = 499