16

LTC1440/LTC1441/LTC1442

144012fc

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

LT 0106 REV C • PRINTED IN USA

©LINEAR TECHNOLOGY CORPORATION 1996

10kHz V/F Converter

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

LTC1443

1.182V Reference with Micropower Quad Comparators

1% Accuracy, 8.5

µA Maximum Current, Ref Output Drives 0.01µF

LTC1444/LTC1445

1.2V Reference with Quad Comparator

1% Accuracy, 8.5

µA Maximum Current, Ref Output Drives 0.01µF

with Adjustable Hysteresis

LTC1540

1.182V Reference with Nanopower Comparator

DFN Package 0.3

µA Quiescent Current (Typical), Reference

with Adjustable Hysteresis

Drives 0.01

µF

LTC1541

1.2V Reference with Micropower Amplifier and Comparator

DFN Package 1.25% Accuracy, Rail-to-Rail Out, Low Offset Amplifier

LTC1842/LTC1843

1.82V Reference with Dual Comparators

1% Accuracy, Open-Drain Out, Reference Drives 0.01

µF

with Adjustable Hysteresis

LTC1998

1.2 Reference with Comparator with Adjustable Thesholds

Li-Ion Low Battery Monitor, SOT23, 1% Accuracy

LT6700-1

0.4 Reference with Low Voltage Dual Comparators

SOT23, 1.4V to 18.5V Supply Range,

±2% Over Temperature

LT6700-2/LT6700-3

–

+

100pF**

50pF

2.2

µF

1.2M*

10kHz TRIM

200k

10M

100k

2k*

LM334

+V

6.2V TO 12V

LT1034-1.2

LT1034-1.2

2.7M

C1

1/2 LTC1441

0kHz TO 10kHz

74C14

1440/1/2 TA04

0.01

µF

0.1

µF

INPUT

0V TO 5V

Q5

Q6

15k

2M TYP

100Hz TRIM

–

+

C2

1/2 LTC1441

Q1

Q8

Q2

Q3

Q4

0.47

µF

Q7

= HP5082-2810

= 1N4148

= 2N2222

= 1% METAL FILM

= POLYSTYRENE

*

**

+

+