CXA1616N 데이터 시트보기 (PDF) - Philips Electronics

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CXA1616N

Sync Discriminator for CRT Displays

Philips Electronics 

CXA1616N/S

Pin No.

Symbol Pin voltage

SDIP SSOP

10 10 CLAMP

0.15V

Equivalent circuit

Description

VCC

56k

2.7V Clamp pulse output.

10

10k

This is an open collector at positive

polarity.

5k

11 11 GND

12 14 V REF

0V

—

GND

VCC

Reference for the vertical sync

1k

20

—

( 22 )

12 separator circuit.

1k ( 14 ) Connect an external resistance

between Vcc and GND to apply the

30µA 16k 36k

reference voltage.

Based on 4.4V. (See Fig. 2)

4.5V

13 15 IN/EXT

14 16 EH

13 14

15 17 EV

0.12, 4.5V 15 16 17

16 18 PH

15 16

17 19 PV

17 18 19

20k

Outputs the polarity and existence

information of a sync signal.

8k See "Description of Operation" for

their l/O matrix.

18 20 HD

VCC

0.15V

18

( 20 )

8k

8k

HD (H Drive Pulse) output.

8k

This is an open collector at positive

polarity.

10k

19 21 V OUT

2.3V

VCC

19

( 21 )

45k

15k

2k 60k

Outputs the sync signal separated

from the composite sync or sync-on

video for the vertical sync separator.

Positive polarity output at an amplitude

of 2.3 to 6.0V.

–5–

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