LT1079_15 Datasheet, PDF (17/20 Pages) Linear Technology – Micropower, Dual and Quad, Single Supply, Precision Op Amps

TYPICAL APPLICATIONS
LT1078/LT1079
Lead-Acid Low-Battery Detector with System Shutdown
2M 2M 910k
1% 1% 5%
3₊
1
1/2 LT1078
2_–
BATTERY
OUTPUT
12V
LO = BATTERY LOW
(IF V_S < 10.90V)
255k 280k
1% 1%
5₊
8
LT1004-1.2
1/2 LT1078
6_–
4
7 LO = SYSTEM SHUTDOWN
(IF V_S < 10.05V)
LT1078/79 • TA13
TOTAL SUPPLY CURRENT = 105μA
Platinum RTD Signal Conditioner with Curvature Correction
3V (LITHIUM)
LT1004-1.2
8
3
1 _{1/2 LT1078}
2
4
R_P = ROSEMOUNT 118MF
** = TRW MAR-6 0.1%
* = 1% METAL FILM
13k*
1μF
10k*
50k
5°C
TRIM
12.3k*
5k
220°C
43.2k** ^TRIM
1k** 1k**
6–
1k**
R_P
1k AT
0°C
1/2 LT1078 ⁷
5+
1μF
1.21M*
(SELECT AT 110°C)
0.02V TO 2.2V_OUT =
2°C TO 220°C ±0.1°C
LT1078/79 • TA14
10789fe
17