|Category||Multimedia => Set-Top Box => Encoder/Decoder|
|Description||TDA8376; TDA8376A; I²C-bus Controlled Pal/ntsc TV Processors|
|Company||Philips Semiconductors (Acquired by NXP)|
|Datasheet||Download TDA8376 datasheet
Objective specification File under Integrated Circuits, IC02 1996 Jan 26
CONTENTS FEATURES GENERAL DESCRIPTION QUICK REFERENCE DATA ORDERING INFORMATION BLOCK DIAGRAM PINNING FUNCTIONAL DESCRIPTION Video switches Integrated video filters, peaking and black stretcher Synchronization circuit Colour decoder RGB output circuit and black-current stabilization I2C-BUS SPECIFICATION Start-up procedure Inputs Input control bits Output control bits LIMITING VALUES THERMAL CHARACTERISTICS QUALITY SPECIFICATION Latch-up CHARACTERISTICS TEST AND APPLICATION INFORMATION East-West output stage Adjustment of geometry control parameters PACKAGE OUTLINES SOLDERING Introduction SDIP Soldering by dipping or by wave Repairing soldered joints QFP Reflow soldering Wave soldering Repairing soldered joints DEFINITIONS LIFE SUPPORT APPLICATIONS PURCHASE OF PHILIPS I2C COMPONENTS
Source selection with 2 CVBS inputs and a Y/C (or extra CVBS) input Output signals of the video switch circuit for the teletext decoder and a Picture-In-Picture (PIP) processor Video identification circuit which is independent of the synchronization for stable On Screen Display (OSD) under `no-signal' conditions Integrated chrominance trap with pre-shoot compensation and bandpass filters (automatically calibrated) Integrated luminance delay line Asymmetrical peaking in the luminance channel with a (defeatable) noise coring function Black stretcher circuit in the luminance channel PAL/NTSC colour decoder with automatic search system Easy interfacing with the TDA8395 (SECAM decoder) for multistandard applications 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 Two linear RGB inputs and fast blanking Horizontal synchronization with two control loops and alignment-free horizontal oscillator Vertical count-down circuit Geometry correction by modulation of the vertical and E-W drive Vertical and horizontal zoom possibility for : 9 applications (TDA8376A only) I2C-bus control of various functions Low dissipation (700 mW) Small amount of peripheral components compared with competition ICs Y, U and V inputs and outputs.
The TDA8376 and TDA8376A are alignment-free I2C-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 : 9 applications. The supply voltage for the ICs 8 V. The ICs are available in an SDIP package with 52 pins and in a QFP package with 64 pins (see Chapter 4). The pin numbers indicated in this document are referenced to the SDIP52; SOT247-1 package; unless otherwise indicated.
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