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TDA3508

NXP
Part Number TDA3508
Manufacturer NXP
Description Video control combination circuit with automatic cut-off control
Published Apr 23, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET TDA3508 Video control combination circuit with automatic cut-off control Product specifi...
Datasheet PDF File TDA3508 PDF File

TDA3508
TDA3508

Overview
INTEGRATED CIRCUITS DATA SHEET TDA3508 Video control combination circuit with automatic cut-off control Product specification Supersedes data of April 1993 File under Integrated Circuits, IC02 1996 Oct 25 Philips Semiconductors Product specification Video control combination circuit with automatic cut-off control FEATURES • Capacitive coupling of the colour difference and luminance input signals with black level clamping in the input stages • Linear saturation control acting on the colour difference signals • (G−Y) and RGB matrix • Linear transmission of inserted signals • Equal black levels for inserted and matrixed signals • Three identical channels for the RGB signals • Linear contrast and brightness controls, operating on both the inserted and matrixed RGB signals • Peak beam current limiting input • Clamping, horizontal and vertical blanking of the three input signals controlled by a 3-level sandcastle pulse • Three DC gain controls for the RGB output signals (white point adjustment) • Emitter-follower outputs for driving the RGB output stages • Input for automatic cut-off control with compensation for leakage current of the picture tube.
ORDERING INFORMATION TYPE NUMBER TDA3508 PACKAGE NAME DIP28 DESCRIPTION plastic dual in-line package; 28 leads (600 mil) GENERAL DESCRIPTION TDA3508 The TDA3508 is an integrated circuit which performs video control functions in a PAL/SECAM decoder for negative colour difference signals −(R−Y) and −(B−Y).
The required input signals are luminance and colour difference and a 3-level sandcastle pulse for control purposes.
Linear RGB signals can be inserted from an external source.
RGB output signals are available for driving the video output stages.
The circuit provides automatic cut-off control of the picture tube.
VERSION SOT117-1 1996 Oct 25 2 Philips Semiconductors Product specification Video control combination circuit with automatic cut-off control QUICK REFERENCE DATA All voltages referenced to pin 24 (ground).
SY...


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