LT119A 데이터 시트보기 (PDF) - Linear Technology

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LT119A

Dual Comparator

Linear Technology 

TYPICAL APPLICATIO S

10-Bit Serial Output A/D Converter

LT119A/LT319A

LM119/LM319

5V

INPUT

5V

0V TO 3.5V

LT1004-1.2

PN4250

20k*

10k

PN4250

5–

11

12

1/2 LT119A

4+

3

6

– 5V

4.7k

1N4148

82k

0.1µF †

2N3904

1k

1N4148

3.9k

*1% FILM

– 5V

† POLYSTYRENE, MOUNT

CAPACITORS CLOSE TOGETHER

CONVERT

COMMAND

INPUT (TTL)

10k*

5V

9+

1000µF † 1/2 LT119A

10 –

8

1N4148

1k

7

39k

74C04

DATA

OUT

15k

1k

CONVERSION TIME = 10ms

* = 1%

CAPACITORS ARE POLYSTYRENE MOUNT

5V

IN CLOSE PROXIMITY

LT119/319 TA7

5 Microsecond Sample-and-Hold with Zero Hold Step

15V

+

10µF 4.7k

100Ω

2N2907

12k

0.003µF †

3k

2N2222

3k

240Ω 2N2907

10k

12

2N2907

15V

11

5

1/2 LT119A

3

4

20k

6

–15V

*TRIM FOR ZERO VOLTS OUT

WITH ZERO VOLTS IN

† POLYSTYRENE CAPACITOR

5V

0V

1N4148

15V

2N4931

3.3k 9k

10pF

–15V

1k

1k

9k

INPUT

1N4148

SAMPLE

HOLD

2pF

TO 8pF*10 –

7

1/2 LT119A

9+

8

15V 3k

VOUT

Q VS CLK D

74C74

CLR PRESET

LT119/319 TA8

119a319afb

7

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