njw1303 New Japan Radio Co.,Ltd, njw1303 Datasheet

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njw1303

Manufacturer Part Number
njw1303
Description
Synchronous Separator With Count Down
Manufacturer
New Japan Radio Co.,Ltd
Datasheet

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T T T T GENERAL DESCRIPTION
T T T T PIN FUNCTION, BLOCK DIAGLAM
T T T T FEATURES
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.
Sync IN
§Operating Voltage
§Operating Current
§Output for HD,VD,C sync
§unnecessary adjustment of oscillation frequency for internal count down circuit
§Internal BGP
§Bi-CMOS Technology
§Package Outline
The NJW1303 is a synchronous separator performs
Vcc
VS
+ + + +
14
2
SYNCHRONOUS SEPARATOR WITH COUNT DOWN
Reg
C Sync OUT
Sync Sep
V Sync Sep
1
SSOP14
5mA typ. at V
Vcc
V
+
3
=2.7V to 5.3V
GND
13
+
=5V
LPF
V count down
Phase Det
DIGREF
H count down
12
6
VCO Out
9
T T T T PACKAGE OUTLINE
32fH VCO
BGP Generator
Filter 2
VCO
10
NJW1303V
Filter 1
VCO
11
NJW1303
8
5
7
4
- 1 -
Ver.4
SW
VD
BGP
HD

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njw1303 Summary of contents

Page 1

... SYNCHRONOUS SEPARATOR WITH COUNT DOWN GENERAL 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 suitable for car navigation and LCD TV ...

Page 2

... NJW1303 ABSOLUTE MAXIMUM RATINGS (Ta=25 C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature RECOMMENDED OPERATING CONDITION PARAMETER SYMBOL Supply Voltage Vopr ELECTRICAL CHARACTERISTICS ( V PARAMETER SYMBOL Operating Current AFC Free Run Frequency AFC Lock Range ...

Page 3

... Saturation Level C.SYNC Output Delay TpCS C.SYNC Output V Saturation Voltage *point Equivalent Palse Signal Input Signal VD Output *When measure of pulse timing + =5V, Ta=25 C) TEST CONDITIONS *point VD Low level of Vertical output Vertical Sync.Pulse TpVD 50% 50% NJW1303 MIN. TYP. MAX. 2.5 3.0 3.5 0.47 0.66 0.85 - 0.2 0.5 0.32 0.5 0.64 - 0.2 0.5 Equivalent Palse 50% 50% UNIT H H ...

Page 4

... NJW1303 TTEST CIRCUIT 910kΩ TPV 1kΩ (VCC) 1uF 360Ω 330pF 68000pF 100uF *2 *1: CSBLA503KE5ZF10 at MURATA *2: NTSC/PAL SW NTSC : GND PAL APPLICATION NOTES The ratio of the vertical synchronous pulse term and the vertical synchronous signal cycle Please adjust following expression. The vertical synchronous signal cycle / The vertical synchronous pulse term ...

Page 5

... HD 200 8 SW BGP 200 VCO 9 Out No. NAME VCC VCO 10 3k Filter 2 20k 3k GND VCC VCO 11 Filter 1 GND VCC 12 LPF 6 DIGREF DIGREF 13 GND VCC 14 VS GND NJW1303 INSIDE EQUIVALENT CIRCUIT VCC GND VCC 10k GND VCC GND VCC 200 GND - 5 - Ver.4 ...

Page 6

... NJW1303 MEMO [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights ...

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