Datasheet

OP1177/OP2177/OP4177 Data Sheet
Rev. I | Page 10 of 24
ΔOUTPUT VOLTAGE (V)
LOAD CURRENT (mA)
1.4
0.8
0
0.4
0.2
0.6
1.0
1.2
0.01 0.1 1
V
SY
= ±5V
T
A
= 25°C
SINK
SOURCE
0.001 10
02627-031
Figure 31. Output Voltage to Supply Rail vs. Load Current
0
2627-032
FREQUENCY (Hz)
PHASE SHIFT (Degrees)
OPEN-LOOP GAIN (dB)
1M
50
40
30
20
10
0
–10
60
–20
100k 10M
225
180
135
90
45
0
–45
270
–90
GAIN
PHASE
V
SY
= ±5V
C
L
= 0
R
L
= ∞
Figure 32. Open-Loop Gain and Phase Shift vs. Frequency
FREQUENCY (Hz)
CLOSED-LOOP GAIN (dB)
10k 100k 1M 10M
100
80
60
40
20
0
–20
–40
–60
120
–80
1k 100M
V
SY
= ±5V
V
IN
= 4mV p-p
C
L
= 0
R
L
= ∞
A
V
= 100
A
V
= 1
A
V
= 10
0
2627-033
Figure 33. Closed-Loop Gain vs. Frequency
FREQUENCY (Hz)
OUTPUT IMPEDANCE (Ω)
1k 10k 100k
100 1M
450
400
350
300
250
200
150
100
50
500
0
V
SY
= ±5V
V
IN
= 50mV p-p
A
V
= 100
A
V
= 1
A
V
= 10
02627-034
Figure 34. Output Impedance vs. Frequency
TIME (100µs/DIV)
VOLTAGE (1V/DIV)
GND
V
SY
= ±5V
C
L
= 300pF
R
L
= 2kΩ
V
IN
= 1V
A
V
= 1
02627-035
Figure 35. Large Signal Transient Response
TIME (10µs/DIV)
VOLTAGE (50mV/DIV)
GND
V
SY
= ±5V
C
L
= 1,000pF
R
L
= 2kΩ
V
IN
= 100mV
A
V
= 1
02627-036
Figure 36. Small Signal Transient Response