OP27
60
T
V
= 25°C
= 15V
A
S
50
40
30
20
10
0.1
μ
F
100k
Ω
I
I
(+)
(–)
SC
OP27
Ω
D.U.T.
10
2k
Ω
SC
VOLTAGE
GAIN
= 50,000
22μF
4.3k
Ω
OP12
100k
SCOPE
IN
× 1
R
= 1M
Ω
Ω
4.7μF
2.2
μ
F
110kΩ
0.1
24.3k
μF
0
1
2
3
4
5
Ω
TIME FROM OUTPUT SHORTED TO GROUND (Min)
Figure 28. Short-Circuit Current vs. Time
Figure 31. Voltage Noise Test Circuit (0.1 Hz to 10 Hz)
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
140
T
V
= 25°C
= ±15V
S
V
= ±15V
= 25°C
= ±10V
A
S
T
A
V
CM
120
100
80
60
100
1k
10k
100k
100
1k
10k
100k
1M
LOAD RESISTANCE (Ω)
FREQUENCY (Hz)
Figure 32. Open-Loop Voltage Gain vs. Load Resistance
Figure 29. CMRR vs. Frequency
16
T
= –55°C
A
A
12
8
1 SEC/DIV
T
= +25°C
A
120
80
T
= +125°C
4
40
0
0
T
T
= –55°C
A
–4
–8
–12
–16
T
= +25°C
–40
–90
A
= +125°C
±10
A
–120
0
±5
±15
±20
0.1Hz TO 10Hz p-p NOISE
SUPPLY VOLTAGE (V)
Figure 33. Low Frequency Noise
Figure 30. Common-Mode Input Range vs. Supply Voltage
Rev. F | Page 12 of 20
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