OP27A, OP27C, OP27E, OP27G

OP37A, OP37C, OP37E, OP37G

LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS

SLOS100B – FEBRUARY 1989 – REVISED AUGUST 1994

2–17

POST OFFICE BOX 655303

POST OFFICE BOX 1443

APPLICATION INFORMATION

4.3 k

Ω

110 k

Ω

2.2

µF

Oscilloscope

Rin = 1 MΩ

22

µF

100 k

Ω

0.1

µF

LT1001

4.7

µF

2 k

Ω

100 k

Ω

10

Ω

0.1

µF

Voltage

Gain = 50,000

+

–

OP27/OP37

Device

Under

Test

24.3 k

Ω

0.01

0.1

1

10

100

100

90

80

70

60

50

40

30

f – Frequency – Hz

+

–

NOTE: All capacitor values are for nonpolarized capacitors only.

Figure 34. 0.1-Hz to 10-Hz Peak-to-Peak Noise Test Circuit and Frequency Response