LTC1443 LINER [Linear Technology], LTC1443 Datasheet - Page 12

• Manufacturer Part Number: LTC1443
• Description: Ultralow Power Quad Comparators with Reference
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIO
LTC1443/LTC1444/LTC1445
12
PART NUMBER
LT
LT1179
LTC1285/LTC1288
LT1389
LTC1440/LTC1441/LTC1442 Ultralow Power Single/Dual Comparator with Reference
LT1495
LT1521
LT1634
RELATED PARTS
C2, C3: AUX TPSD107M010R0100 OR
®
1 CELL
LITHIUM-
ION
BATTERY
1034
1.1M
SANYO OS-CON 16SA100M
5%
R1
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
R2
82.5k
1%
R3
1M
1%
R4
2.4M
5%
51k
5%
R5
R6
430
5%
5
4
6
7
C1
1 F
1/4 LTC1444
1/4 LTC1444
–
–
+
+
HYST
V
+
DESCRIPTION
Micropower Dual Reference
Quad Micropower Single Supply Precision Op Amp
3V Micropower Sampling 12-Bit ADCs
Nanopower Precision Shunt Reference
Dual Precision Rail-to-Rail Input and Output Op Amp
300mA Low Dropout Regulator
Micropower Precision Shunt Reference
3
A
B
14
8 REF
9 V
–
51k
5%
R7
LTC1444
REF
2
1
U
+
NC
NC
C2
100 F
3
5
2
PWR GND
SHDN
I
SEL
LIM
V
IN
6
8
CD54-100
SUMIDA
LT1300
Single Cell to 5V Supply
10 H
L1
SENSE
GND
SW
7
1
1N5817
D1
4
+
MMFT2955ETI
3
C3
100 F
Q1
1
267k
1%
2, 4
R9
R8
732k
1%
11
10
COMMENTS
1.2V or 2.5V with 7V Auxiliary Reference
17 A Max per Amplifier
SO-8 Package, Auto Shutdown to 1nA
800nA Operating Current, 0.05% Accuracy
2.8 A Typical Quiescent Current
1.5 A Max per Amplifier
12 A Quiescent Current
10 A Operating Current, 0.05% Accuracy
1/4 LTC1444
–
+
C
0.22 F
144345fa LT/TP 0100 2K REV A • PRINTED IN USA
C4
16
LINEAR TECHNOLOGY CORPORATION 1995
13
12
R10
3.37M
5%
1/4 LTC1444
+
–
D
15
R11
51k
5%
R12
51k
5%
LTC1443/44/45 • F06
NMI
RESET
V
CC
P