LTC1440 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1440 Datasheet PDF : 16 Pages
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LTC1440/LTC1441/LTC1442
TYPICAL APPLICATION
10kHz V/F Converter
Q1
+
INPUT
0V TO 5V
10kHz TRIM
1.2M* 200k
0.01µF
–
C1
1/2 LTC1441
2.2µF
+
50pF
= HP5082-2810
= 1N4148
= 2N2222
* = 1% METAL FILM
** = POLYSTYRENE
100k
15k
Q7
Q5
Q6
2M TYP
100Hz TRIM
100pF**
10M
C2
1/2 LTC1441
2.7M
0.1µF
+V
6.2V TO 12V
LM334
2k*
Q8
LT1034-1.2
LT1034-1.2
+
0.47µF
Q2
Q3
Q4
74C14
fOUT
0kHz TO 10kHz
1440/1/2 TA04
RELATED PARTS
PART NUMBER DESCRIPTION
LTC1443
1.182V Reference with Micropower Quad Comparators
LTC1444/LTC1445 1.2V Reference with Quad Comparator
with Adjustable Hysteresis
LTC1540
1.182V Reference with Nanopower Comparator
with Adjustable Hysteresis
LTC1541
1.2V Reference with Micropower Amplifier and Comparator
LTC1842/LTC1843 1.82V Reference with Dual Comparators
with Adjustable Hysteresis
LTC1998
1.2 Reference with Comparator with Adjustable Thesholds
LT6700-1
0.4 Reference with Low Voltage Dual Comparators
LT6700-2/LT6700-3
COMMENTS
1% Accuracy, 8.5µA Maximum Current, Ref Output Drives 0.01µF
1% Accuracy, 8.5µA Maximum Current, Ref Output Drives 0.01µF
DFN Package 0.3µA Quiescent Current (Typical), Reference
Drives 0.01µF
DFN Package 1.25% Accuracy, Rail-to-Rail Out, Low Offset Amplifier
1% Accuracy, Open-Drain Out, Reference Drives 0.01µF
Li-Ion Low Battery Monitor, SOT23, 1% Accuracy
SOT23, 1.4V to 18.5V Supply Range, ±2% Over Temperature
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
144012fc
LT 0106 REV C • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1996
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