OP37
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.1ꢁF
T
= 25ꢃC
= ꢂ15V
A
S
1 SEC/DIV
V
100kꢄ
OP37
10ꢄ
D.U.T.
2kꢄ
VOLTAGE
GAIN
22ꢁF
4.3kꢄ
2.2ꢁF
= 50,000
OP12
100kꢄ
SCOPE ꢆ 1
= 1Mꢄ
4.7ꢁF
R
IN
110kꢄ
0.6
0.4
100
0.1ꢁF
24.3kꢄ
1k
10k
100k
LOAD RESISTANCE –ꢄ
TPC 28. Noise Test Circuit (0.1 Hz to
10 Hz)
TPC 29. Low-Frequency Noise
TPC 30. Open-Loop Voltage Gain vs.
Load Resistance
160
19
18
17
20
T
= 25ꢃC
A
T
= 25ꢃC
= ꢂ15V
= 5
T = 25ꢃC
A
VCL
A
S
V
O
140
RISE
FALL
V
A
= 5
A
V
120
100
80
60
40
20
0
15
10
5
= 20V p-p
NEGATIVE
SWING
POSITIVE
SWING
16
15
0
1
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY – Hz
100
1k
10k
100k
ꢂ3
ꢂ6
ꢂ9
ꢂ12
ꢂ15
ꢂ18
ꢂ21
LOAD RESISTANCE –ꢄ
SUPPLYVOLTAGE –Volts
TPC 31. PSRR vs. Frequency
TPC 32. Slew Rate vs. Load
TPC 33. Slew Rate vs. Supply Voltage
–10–
REV. B
ADI [ ADI ]
