OP1177/OP2177/OP4177
1.4
500
450
400
350
300
250
200
150
100
V
T
= ±5V
V
V
= ±5V
= 50mV p-p
SY
= 25°C
SY
IN
A
1.2
1.0
0.8
0.6
0.4
0.2
0
SINK
SOURCE
A
= 1
A
= 100
V
V
A
= 10
V
50
0
100
1M
1k
10k
FREQUENCY (Hz)
100k
0.01
0.1
LOAD CURRENT (mA)
1
0.001
10
Figure 31. Output Voltage to Supply Rail vs. Load Current
Figure 34. Output Impedance vs. Frequency
60
50
270
225
180
135
90
V
C
R
V
A
= ±5V
= 300pF
= 2kΩ
= 1V
SY
V
C
R
= ±5V
= 0
SY
L
L
L
=
∞
L
IN
40
= 1
V
30
GAIN
20
PHASE
10
45
GND
0
0
–10
–45
–90
–20
100k
1M
10M
TIME (100µs/DIV)
FREQUENCY (Hz)
Figure 32. Open-Loop Gain and Phase Shift vs. Frequency
Figure 35. Large Signal Transient Response
120
100
80
V
C
R
V
= ±5V
= 1,000pF
= 2kΩ
= 100mV
= 1
SY
V
V
C
R
= ±5V
= 4mV p-p
= 0
SY
IN
L
L
L
L
IN
=
∞
A
V
60
A
A
= 100
= 10
V
40
V
20
0
A
= 1
V
–20
–40
–60
–80
GND
1k
10k
100k
1M
10M
100M
TIME (10µs/DIV)
FREQUENCY (Hz)
Figure 36. Small Signal Transient Response
Figure 33. Closed-Loop Gain vs. Frequency
Rev. G | Page 10 of 24
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