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TDA9109A
LOW-COST I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR
FEATURES
General s SYNC PROCESSOR s 12V SUPPLY VOLTAGE s 8V REFERENCE VOLTAGE s HORIZONTAL LOCK/UNLOCK OUTPUT 2 s READ/WRITE I C INTERFACE s 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 150kHz maximum frequency s X-ray protection input 2 s I C controls: Horizontal duty-cycle, H-position Vertical s Vertical ramp generator s 50 to 185Hz AGC loop s Geometry tracking with Vpos & Vamp 2 s I C controls: Vamp, Vpos, S-corr, C-corr s DC breathing compensation I2C G