NJW1303V データシートの表示（PDF） - Japan Radio Corporation

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NJW1303V

SYNCHRONOUS SEPARATOR WITH COUNT DOWN

Japan Radio Corporation  

NJW1303

SYNCHRONOUS SEPARATOR WITH COUNT DOWN

TGENERAL DESCRIPTION

The NJW1303 is a synchronous separator performs

Horizontal and Vertical synchronous signal from composit video

signals. It contains count down circuit for H,V keeping high sync

separation in the weak signal. It is suitable for car navigation and

LCD TV.

TPACKAGE OUTLINE

NJW1303V

TFEATURES

§Operating Voltage

V+ =2.7V to 5.3V

§Operating Current

5mA typ. at V+ =5V

§Output for HD,VD,C sync

§unnecessary adjustment of oscillation frequency for internal count down circuit

§Internal BGP

§Bi-CMOS Technology

§Package Outline

SSOP14

TPIN FUNCTION, BLOCK DIAGLAM

Vcc

Vcc

3

+

14

VS

V Sync Sep

GND

13

DIGREF

6

V count down

Reg

H count down

BGP Generator

4 VD

8 BGP

5 HD

Sync IN 2

Sync Sep

1

C Sync OUT

Phase Det

12

LPF

32fH VCO

9

10

11

7 SW

VCO Out

VCO VCO

Filter 2 Filter 1

Ver.4

-1-

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