CXA1616N Ver la hoja de datos (PDF) - Sony Semiconductor

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CXA1616N

Sync Discriminator for CRT Displays

Sony Semiconductor 

CXA1616N/S

Pin No.

Symbol Pin voltage

SDIP SSOP

Equivalent circuit

Description

20 22 V IN

Input for vertical sync separation

VCC

comparator. Connect an integrator

with a 3.9kΩ resistance and a 3300pF

1k

—

20

( 22 )

12 capacitor between Pins 19 and 20.

1k ( 14 ) The comparator operates when the

voltage of the integrated sync signal at

30µA 16k 36k

the vertical interval becomes higher

than the voltage which lowers by VBE

(approximately 0.7V) from the voltage

at Pin 12.

VCC

8k

8k

21 23 VD

0.15V

21

( 23 )

VD (V Drive Pulse) output.

8k

This is an open collector at positive

polarity.

10k

22 24 VCC

12V

—

Power supply.

–6–

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