
ISL28325, ISL28345
5
September 27, 2011
FN7854.0
Typical Performance Curves V
S = ±15V, VCM = 0V, RL = Open, unless otherwise specified.
FIGURE 2. OPEN-LOOP GAIN, PHASE vs FREQUENCY, RL =10kΩ,
CL = 10pF
FIGURE 3. OPEN-LOOP GAIN, PHASE vs FREQUENCY, RL =10kΩ,
CL = 100pF
FIGURE 4. CMRR vs FREQUENCY, VS = ±2.25, ±5V, ±15V
FIGURE 5. SMALL SIGNAL TRANSIENT RESPONSE, VS = ±5V, ±15V
FIGURE 6. LARGE SIGNAL TRANSIENT RESPONSE vs RL VS = ±5V, ±15V
O
PEN
LOO
P
GAIN
(dB)
/PHASE
(
°)
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
LOOP
GAIN
(dB)/PHASE
(°)
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
CMRR
(dB)
FREQUENCY (Hz)
0
20
40
60
80
100
120
140
160
180
200
220
1m 10m 100m
1
10
100
1k
10k 100k 1M
10M 100M
RL = INF
SIMULATION
CL = 10pF
VS = ±2.5V
VS = ±5V
VS = ±15V
TIME (s)
S
M
A
LL
SI
GN
A
L
(m
V)
-10
0
10
20
30
40
50
60
0
5
10
15
20
25
30
35
40
RL = 10k
AV = +1
CL = 4pF
VOUT = 50mVP-P
VS = ±15V
TIME (s)
LARGE
SIGNAL
(V)
-2.4
-2.0
-1.6
-1.2
-0.8
-0.4
0
0.4
0.8
1.2
1.6
2.0
2.4
0
1020
3040506070
8090
100
AV = +1
CL = 4pF
VOUT = 4VP-P
VS = ±5V, RL = 2k, 10k
VS = ±15V, RL = 2k, 10k