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TDA8841

NXP
Part Number TDA8841
Manufacturer NXP
Description I2C-bus controlled PAL/NTSC/SECAM TV processors
Published Apr 16, 2005
Detailed Description INTEGRATED CIRCUITS DEVICE SPECIFICATION TDA884X/5X-N2 series I2C-bus controlled PAL/NTSC/SECAM TV processors Tentativ...
Datasheet PDF File TDA8841 PDF File

TDA8841
TDA8841

Overview
INTEGRATED CIRCUITS DEVICE SPECIFICATION TDA884X/5X-N2 series I2C-bus controlled PAL/NTSC/SECAM TV processors Tentative Device Specification December 16, 1997 Previous version: April 24, 1997 Philips Semiconductors Philips Semiconductors Tentative Device Specification I2C-bus controlled PAL/NTSC/SECAM TV processors FEATURES The following features are available in all IC’s: • Multi-standard vision IF circuit with an alignment-free PLL demodulator without external components • Alignment-free multi-standard FM sound demodulator (4.
5 MHz to 6.
5 MHz) • Audio switch • Flexible source selection with CVBS switch and Y(CVBS)/C input so that a comb filter can be applied • Integrated chrominance trap circuit • Integrated luminance delay line • Asymmetrical peaking in the luminance channel with a (defeatable) noise coring function • Black stretching of non-standard CVBS or luminance signals • Integrated chroma band-pass filter with switchable centre frequency • Dynamic skin tone control circuit • Blue stretch circuit which offsets colours near white towards blue • RGB control circuit with “Continuous Cathode Calibration” and white point adjustment • Possibility to insert a “blue back” option when no video signal is available • Horizontal synchronization with two control loops and alignment-free horizontal oscillator • Vertical count-down circuit • Vertical driver optimised for DC-coupled vertical output stages • I2C-bus control of various functions The detailed differences between the various IC’s are given in the table on page 3.
TDA884X/5X-N2 series GENERAL DESCRIPTION The various versions of the TDA 884X/5X series are I2C-bus controlled single chip TV processors which are intended to be applied in PAL, NTSC, PAL/NTSC and multi-standard television receivers.
The N2 version is pin and application compatible with the N1 version, however, a new feature has been added which makes the N2 more attractive.
The IF PLL demodulator has been replaced by an alignment-free IF PLL de...


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