TDA4568 PDF Datasheet
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Description
This is Luminance signal delay circuit. INTEGRATED CIRCUITS
DATA SHEET
TDA4568 Luminance signal delay circuit
Preliminary speci cation File under Integrated Circuits, IC02 May 1989
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Philips Semiconductors
Preliminary speci cation
Luminance signal delay circuit
GENERAL DESCRIPTION
TDA4568
The TDA4568 is an integrated circuit that provides the luminance signal delay in colour television receivers. Features A luminance signal path (Y) which substitutes the conventional Y-delay coil with an integrated Y-delay line Switchable delay time from 550 ns to 820 ns in steps of 90 ns and additional fine adjustment of 37 ns Two Y output signals; one of 180 ns less delay QUICK REFERENCE DATA PARAMETER Supply voltage (pin 10) Supply current (pin 10) Y-signal delay at pin 12 S1 open; R14 18 = 1.2 kΩ; note 1 t17-12 t17-12 t17-12 t17-12 0.5 MH- αY 490 580 670 760 0 550 640 730 820 1 610 700 790 880 2 ns ns ns ns dB CONDITIONS VP IP SYMBOL MIN. 10.8 TYP. 12 22 MAX. 13.2 UNIT V mA
V1.