TDA2595 Datasheet | NXP Semiconductors

Description

The TDA2595 is a monolithic integrated circuit intended for use in colour television receivers. Features - Positive video input; capacitively coupled (source impedance < 200 Ω) - Adaptive sync separator; slicing level at 50% of sync amplitude - Internal vertical pulse separator with double slope integrator TDA2595 - Output stage for vertical sync pulse or posite sync depending on the load; both are switched off at muting - ϕ1 phase control between horizontal sync and oscillator - Coincidence detector ϕ3 for automatic time-constant switching; overruled by the VCR switch - Time-constant switch between two external time-constants or loop-gain; both controlled by the coincidence detector ϕ3 - ϕ1 gating pulse controlled by coincidence detector ϕ3 - Mute circuit depending on TV transmitter identification - ϕ2 phase control between line flyback and oscillator; the slicing levels for ϕ2 control and horizontal blanking can be set separately - Burst keying and horizontal blanking pulse generation, in bination with clamping of the vertical blanking pulse (three-level sandcastle) - Horizontal drive output with constant duty cycle inhibited by the protection circuit or the supply voltage sensor - Detector for too low supply voltage - Protection circuit for switching off the horizontal drive output continuously if the input voltage is below 4 V or higher than 8 V - Line flyback control causing the horizontal blanking level at the sandcastle output continuously in case of a missing flyback pulse - Spot-suppressor controlled by the line flyback control QUICK REFERENCE DATA Supply voltage (pin 15) Sync pulse amplitude (positive video) Horizontal output current PACKAGE OUTLINE 18-lead DIL; plastic (SOT102); SOT102-1; 1997 January 07.