NJW1303 Datasheet, PDF (1/6 Pages) New Japan Radio – SYNCHRONOUS SEPARATOR WITH COUNT DOWN

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-