12

LTC1440/LTC1441/LTC1442

144012fa LT/TP 0298 REV A 2K • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 1996

10kHz V/F Converter

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

LT1178/LT1179

Dual/Quad 17

µA Precision Single Supply Op Amps

70

LT1351

Single 250

µA, 3MHz, 200V/µs Op Amp with Shutdown

C-Load

LT1352/LT1353

Dual/Quad 250

µA, 3MHz, 200V/µs Op Amps

C-Load Op Amps Stable Driving Any Capacitive Load

LTC1443/LTC1444/LTC1445

Micropower Quad Comparator with 1% Reference

LTC1443 Has 1.182V Reference, LTC1444/LTC1445 Have

1.221V Reference and Adjustable Hysteresis

–

+

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

*

**

+

+

C-Load is a trademark of Linear Technology Corporation.

Linear Technology Corporation