ISL28117, ISL28217, ISL28417
25
November 30, 2012
FN6632.10
FIGURE 64. CHARACTERIZED LARGE SIGNAL TRANSIENT
RESPONSE vs R
L
V
S
= ±15V
FIGURE 65. SIMULATED LARGE SIGNAL 10V STEP RESPONSE
FIGURE 66. SIMULATED OPEN-LOOP GAIN, PHASE vs FREQUENCY
FIGURE 67. SIMULATED OPEN-LOOP GAIN, PHASE vs FREQUENCY
FIGURE 68. SIMULATED CMRR vs FREQUENCY
Characterization vs Simulation Results
(Continued)
TIME (µs)
LAR
G
E SI
GNAL
(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
10
20
30
40
50
60
70
80
90
100
AV = +1
CL = 4pF
V
OUT
= 4V
P-P
V
S
= ±15V, RL =10k
0
20
40
60
80
100
-3
-2
-1
0
1
2
3
TIME (µs)
LARGE SIGNAL (V)
AV = +1
C
L
= 4pF
V
OUT
= 4V
P-P
INPUT
OUTPUT
O
PEN LOO
P
GAIN (dB)/
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
R
L
= 10k
SIMULATION
C
L
= 10pF
GAIN
PHASE
1.0m 10m 0.1
1
10 100 1k
10k 100k 1M 10M 100M
-40
0
40
80
120
160
200
OP
EN LOOP
GAIN
(dB)/PHASE
(°)
FREQUENCY (Hz)
GAIN
PHASE
CMRR (dB
)
FREQUENCY (Hz)
1m 10m 0.1
1
10 100
1k 10k 100k 1M 10M 100M
50
100
150
200
250
