OP27A, OP27C, OP27E, OP27G
OP37A, OP37C, OP37E, OP37G
LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
SLOS100B – FEBRUARY 1989 – REVISED AUGUST 1994
APPLICATION INFORMATION
100
90
80
70
60
50
40
30
0.01
0.1
1
10
100
f – Frequency – Hz
0.1 µF
100 kΩ
10 Ω
LT1001
+
2 kΩ
22 µF
–
+
4.3 kΩ
2.2 µF
Oscilloscope
–
R
= 1 MΩ
Voltage
in
100 kΩ
Gain = 50,000
OP27/OP37
Device
Under
110 kΩ
4.7 µF
24.3 kΩ
0.1 µF
Test
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
2–17
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443
TI [ TEXAS INSTRUMENTS ]
