STV6886

STV6886 LOW-COST I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR FEATURES General s SYNC PROCESSOR (separate or composite) s 12V SUPPLY VOLTAGE s 8V REFERENCE VOLTAGE s HOR. LOCK/UNLOCK OUTPUT s HOR. & VERT. LOCK/UNLOCK INDICATION 2 s READ/WRITE I C INTERFACE s HORIZONTAL AND VERTICAL MOIRE s B+ REGULATOR - Internal PWM generator for B+ current mode step-up converter - Switchable to step-down converter - I2C-adjustable B+ reference voltage - Output pulses synchronized on horizontal frequency - Internal maximum current limitation. Horizontal s Self-adaptative s Dual PLL concept s 80kHz maximum frequency s X-ray protection input 2 s I C controls: Horizontal duty-cycle, H-position, horizontal size amplitude Vertical s Vertical ramp generator s 50 to 120 Hz agc loop s Geometry tracking with VPOS & VAMP 2 s I C controls:VAMP, VPOS, S-CORR, C-CORR s Vertical breathing compensation I2C Geometry Corrections s Vertical parabola generator (Pin Cushion - E/W, Keystone, Corner Correction) s Horizontal dynamic phase (Side Pin Balance & Parallelogram) s Horizontal and vertical dynamic focus (Horizontal Focus Amplitude, Horizontal Focus Symmetry, Vertical Focus Amplitude) DESCRIPTION The STV6886 is a monolithic integrated circuit assembled in a 32-pin shrink dual-in-line plastic package. This IC controls all the functions related to horizontal and vertical deflection in multimode or multi-frequency computer display monitors. The internal sync processor, combined with the powerful ...