
Philips Semiconductors - PIP - TDA8376; TDA8376A; IC-bus controlled PAL/NTSC TV processors
TDA8376;
TDA8376A; IC-bus
controlled
PAL/NTSC TV
processors
Information as of 2003-04-10
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Parametrics
The TDA8376 and TDA8376A are alignment-free IC-bus controlled video processors which contain a
PAL/NTSC colour decoder, luminance processor, sync processor, RGB-control and deflection processor.
The circuits have been designed for use with the baseband chrominance delay line TDA4665 and for DC-
coupled vertical and East-West (E-W) output stages. Both ICs are pin compatible. The TDA8376A has a
flexible horizontal and vertical zoom possibility for 16 : 9 applications.
The supply voltage for the ICs is 8 V. The ICs are available in an SDIP package with 52 pins and in a QFP
package with 64 pins .
The pin numbers indicated in this document are referenced to the SDIP52; SOT247-1 package; unless
otherwise indicated.
q
Source selection with 2 CVBS inputs and a Y/C (or extra CVBS) input
q
Output signals of the video switch circuit for the teletext decoder and a Picture-In-Picture (PIP)
processor
q
Video identification circuit which is independent of the synchronization for stable On Screen Display
(OSD) under ‘no-signal’ conditions
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Integrated chrominance trap with pre-shoot compensation and bandpass filters (automatically
calibrated)
q
Integrated luminance delay line
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Asymmetrical peaking in the luminance channel with a (defeatable) noise coring function
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Black stretcher circuit in the luminance channel
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PAL/NTSC colour decoder with automatic search system
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Easy interfacing with the TDA8395 (SECAM decoder) for multistandard applications
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RGB control circuit with black-current stabilization and white point adjustment; to obtain a good
grey scale tracking the black-current ratio of the 3 guns depends on the white point adjustment
q
Two linear RGB inputs and fast blanking
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