
6
FN6301.4
June 23, 2009
Typical Performance Curves
FIGURE 1. ISL28176 GAIN vs FREQUENCY vs SUPPLY
VOLTAGE
FIGURE 2. ISL28276, ISL28476 FREQUENCY RESPONSE vs
SUPPLY VOLTAGE
FIGURE 3. ISL28176 GAIN vs FREQUENCY vs SUPPLY
VOLTAGE
FIGURE 4. ISL28276, ISL28476 FREQUENCY RESPONSE vs
SUPPLY VOLTAGE
FIGURE 5. AVOL vs FREQUENCY @ 100kΩ LOAD
FIGURE 6. AVOL vs FREQUENCY @ 1kΩ LOAD
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
1k
10k
100k
1M
10M
FREQUENCY (Hz)
GAI
N
(
d
B)
RL = 10k
AV = +1
VOUT = 10mVP-P
CL = 8.3pF
V+ = 2V
V+ = 5V
V+ = 2.5V
VOUT = 50mVP-P
AV = 1
CL = 3pF
RF = 0/RG = INF
-8
G
A
IN
(
d
B)
-5
-4
-3
0
+1
-2
-1
-7
-6
10k
100k
1M
FREQUENCY (Hz)
1k
5M
V+, V- = ±2.5V
RL = 1k
V+, V- = ±2.5V
RL = 10k
V+, V- = ±1.2V
RL = 10k
V+, V- = ±1.2V
RL = 1k
AV = 100
RL = 10k
CL = 8.3pF
VOUT = 10mVP-P
RF = 221kΩ
RG = 2.23kΩ
0
5
10
15
20
25
30
35
40
45
100
1k
10k
100k
1M
FREQUENCY (Hz)
GAI
N
(
d
B)
V+ = 2.5V
V+ = 5V
V+ = 2V
AV = 100
RL = 10kΩ
CL = 2.7pF
RF/RG = 99.02
RF = 221kΩ
RG = 2.23kΩ
0
GAI
N
(
d
B)
15
20
25
40
45
30
35
5
10
100
10k
100k
1M
FREQUENCY (Hz)
1k
V+, V- = ±2.5V
V+, V- = ±1.0V
V+, V- = ±1.25V
-80
GAI
N
(
d
B)
40
120
80
-40
0
1
1k
100k
10M
FREQUENCY (Hz)
10
-120
P
HASE
(°)
80
40
0
-40
-80
10k
1M
100
PHASE
GAIN
-20
GAI
N
(
d
B)
0
20
80
100
40
60
10
10k
1M
FREQUENCY (Hz)
100
-150
PH
A
S
E
(
°)
200
150
100
50
0
-50
-100
100k
1k
PHASE
GAIN
ISL28176, ISL28276, ISL28476