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TDA4556 Datasheet

Multistandard decoder

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INTEGRATED CIRCUITS
DATA SHEET
TDA4555
TDA4556
Multistandard decoder
Product specification
File under Integrated Circuits, IC02
November 1984


NXP Semiconductors Electronic Components Datasheet

TDA4556 Datasheet

Multistandard decoder

No Preview Available !

Philips Semiconductors
Multistandard decoder
Product specification
TDA4555
TDA4556
GENERAL DESCRIPTION
The TDA4555 and TDA4556 are monolithic integrated
multistandard colour decoders for the PAL, SECAM,
NTSC 3,58 MHz and NTSC 4,43 MHz standards. The
difference between the TDA4555 and TDA4556 is the
polarity of the colour difference output signals (B-Y)
and (R-Y).
Features
Chrominance part
Gain controlled chrominance amplifier for PAL, SECAM
and NTSC
ACC rectifier circuits (PAL/NTSC, SECAM)
Burst blanking (PAL) in front of 64 µs glass delay line
Chrominance output stage for driving the 64 µs glass
delay line (PAL, SECAM)
Limiter stages for direct and delayed SECAM signal
SECAM permutator
Demodulator part
Flyback blanking incorporated in the two synchronous
demodulators (PAL, NTSC)
PAL switch
Internal PAL matrix
Two quadrature demodulators with external reference
tuned circuits (SECAM)
Internal filtering of residual carrier
De-emphasis (SECAM)
Insertion of reference voltages as achromatic value
(SECAM) in the (B-Y) and (R-Y) colour difference output
stages (blanking)
Identification part
Automatic standard recognition by sequential inquiry
Delay for colour-on and scanning-on
Reliable SECAM identification by PAL priority circuit
Forced switch-on of a standard
Four switching voltages for chrominance filters, traps
and crystals
Two identification circuits for PAL/SECAM (H/2) and
NTSC
PAL/SECAM flip-flop
SECAM identification mode switch (horizontal, vertical
or combined horizontal and vertical)
Crystal oscillator with divider stages and PLL circuitry
(PAL, NTSC) for double colour subcarrier frequency
HUE control (NTSC)
Service switch
QUICK REFERENCE DATA
Supply voltage (pin 13)
Supply current (pin 13)
Chrominance input signal (peak-to-peak)
Chrominance output signal (peak-to-peak)
Colour difference output signals (peak-to-peak values)
TDA4555: (R-Y); TDA4556: + (R-Y)
TDA4555: (B-Y); TDA4556: + (B-Y)
Sandcastle pulse; required amplitude for
vertical and horizontal pulse separation
horizontal pulse separation
burst gating
PACKAGE OUTLINE
28-lead DIL; plastic (SOT117); SOT 117-1; 1996 November 27.
VP = V13-9
IP = I13
V15-9(p-p)
V12-9(p-p)
typ.
typ.
20 to 200
typ.
12 V
65 mA
mV
1,6 V
V1-9(p-p)
V3-9(p-p)
typ.
typ.
1,05 V ± 2 dB
1,33 V ± 2 dB
V24-9
V24-9
V24-9
typ.
typ.
typ.
2,5 V
4,5 V
7,7 V
November 1984
2


Part Number TDA4556
Description Multistandard decoder
Maker NXP
PDF Download

TDA4556 Datasheet PDF





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