LT1011/LT1011A
U
TYPICAL APPLICATION
10Hz to 100kHz Voltage to Frequency Converter
R7
4.7k
R4
1M
15V
15V
R1
C1
0.002µF
4.7k
POLYSTYRENE
LT1009
2.5V
15V
R2
5k
R5
R6
15V
8
2k
FULL-SCALE
TRIM
R3
2k
LINEARITY ≈0.01%
8.06k
3
2
INPUT
0V TO 10V
–
+
R8
4.7k
C2
0.68µF
7
LT1011
1
15V
–15V
4
†
1.5µs
R17
22M
6
R16
50k
10Hz TRIM
4.4V
–15V
15V
0.002µF
–15V
R9
5k
15V
TTL OUTPUT
10HZ TO 100kHz
–15V
R11
20k
10pF
1.5µs
Q2
R10
2.7k
ALL DIODES 1N4148
R15 R14
22k 1k
TRANSISTORS 2N3904
USED ONLY TO GUARANTEE
START-UP
*
†
R12
100k
1011 TA22
Q1*
MAY BE INCREASED FOR BETTER
10Hz TRIM RESOLUTION
+
R13
620k
2µF
–15V
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PART NUMBER
DESCRIPTION
UltraFastTM Precision Comparator
COMMENTS
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UltraFast is a trademark of Linear Technology Corporation.
1011fb LT/CP 0901 1.5K REV B • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1991
16 LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
●
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
Linear [ Linear ]
