LT1112_1 Datasheet, PDF (16/16 Pages) Linear Integrated Systems – Dual/Quad Low Power Precision, Picoamp Input Op Amps

LT1112/LT1114
TYPICAL APPLICATIO
Dual Buffered ±0.617V Reference Powered by Two AA Batteries
R_X*
15k
3₊ 8
1/2 LT1112
2_–
*OPTIONAL
1
+1.5V
0.617V
LT1004-1.2
100pF
6
7
1/2 LT1112
5
R_Y*
4
*OPTIONAL
–1.5V
20k
0.1%
20k
0.1%
TOTAL SUPPLY CURRENT = 700µA
WORKS WITH BATTERIES DISCHARGED
TO ±1.3V
AT ±1.5V: MAXIMUM LOAD CURRENT = 800µA;
CAN BE INCREASED WITH OPTIONAL R_X, R_Y;
AT R_X = R_Y = 750Ω LOAD CURRENT = 2mA
TEMPERATURE COEFFICIENT LIMITED BY
REFERENCE = 20ppm/°C
–0.617V
LT1112/14 • TA03
RELATED PARTS
PART NUMBER
LT1880
LT1881/LT1882
LT1884/LT1885
LT6011/LT6012
DESCRIPTION
Rail-to-Rail Output, Picoamp Input Precision Op Amp
Dual/Quad Rail-to-Rail Output, Picoamp Input Precision
Op Amp
Dual/Quad Rail-to-Rail Output, Picoamp Input Precision
Op Amp
Dual/Quad Rail-to-Rail Output, Picoamp Input Precision
Op Amp
COMMENTS
SOT-23
C_LOAD Up to 1000pF
9.5nV/√Hz Input Noise
135µA Supply Current, 14nV/√Hz
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
111214fb
LT 0207 REV B • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1992