This post explains for the semiconductor TDA8842.
The Part Number is TDA8842.
The function of this semiconductor is I2C-bus controlled PAL/NTSC/SECAM TV processors.
Manufacturers : NXP
Preview images :
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 • Dynami […]