CONNECTION DIAGRAMS
Top View
P, U Packages
PACKAGE/ORDERING INFORMATION
PRODUCT
(1)
TEMPERATURE
RANGE (
°
C)
–40 to +85
–40 to +85
OFFSET
VOLTAGE
MAX (
µ
V), 25
°
C
±100
±100
PACKAGE
DRAWING
NUMBER
(3)
006
182
PACKAGE
Plastic
SOIC
Offset Trim
–In
+In
–V
CC
1
2
3
4
8
7
6
5
Offset Trim
+V
CC
Output
NC
OPA27GP
OPA27GU
(2)
NOTE: (1) Packages for OPA37 are same as for OPA27. (2) OPA27GU may
be marked OPA27U. Likewise, OPA37GU may be marked OPA37U. (3) For
detailed drawing and dimension table, please see end of data sheet, or
Appendix C of Burr-Brown IC Data Book.
0.1µF
100kΩ
10Ω
2kΩ
DUT
4.7µF
Voltage Gain
Total = 50,000
OPA111
2.2µF
100kΩ
0.1µF
24.3kΩ
Scope
x1
R
IN
= 1MΩ
110kΩ
4.3kΩ
22µF
NOTE: All capacitor values are for nonpolarized capacitors only.
FIGURE 1. 0.1Hz to 10Hz Noise Test Circuit.
0.1Hz TO 10Hz NOISE
1s/div
40nV/div
FIGURE 2. Low Frequency Noise.
®
OPA27, 37
4
ETC [ ETC ]
