Philips TDA4850 free download

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INTEGRATED CIRCUITS DATA SHEET TDA4850 Horizontal and vertical deflection controller for VGA/XGA and multi-frequency monitors Preliminary specification File under Integrated Circuits, IC02 September 1991 Philips Semiconductors Preliminary specification Horizontal and vertical deflection controller for VGA/XGA and multi-frequency monitors FEATURES · VGA operation fully implemented including alignment-free vertical and E/W amplitude presettings · 4th VGA mode easy applicable (XGA, Super VGA) · Multi-frequency operation externally selectable · All adjustments DC-controllable · Alignment-free oscillators · Sync separators for video or horizontal and vertical TTL sync levels regardless of polarity · Horizontal oscillator with PLL1 for sync and PLL2 for flyback · Constant vertical and E/W amplitude in multi-frequency operation · DC-coupling to vertical power amplifier (TDA4860, TDA8351) · Internal supply voltage stabilization with excellent ripple rejection to ensure stable geometrical adjustments QUICK REFERENCE DATA SYMBOL VP IP Vi sync supply voltage (pin 1) supply current AC-coupled composite video signal with negative-going sync (peak-to-peak value, pin 9) sync slicing level DC-coupled TTL-compatible horizontal sync signal (peak value, pin 9) slicing level DC-coupled TTL-compatible vertical sync signal (peak value, pin 10) slicing level Io V Io H Tamb vertical differential output current (peak-to-peak value, pins 5 and 6) horizontal sink output current on pin 3 operating ambient temperature PARAMETER MIN. 9.2 - - - 1.7 1.2 1.7 1.2 - - 0 TYP. 12 40 1 120 - 1.4 - 1.4 1 - - GENERAL DESCRIPTION TDA4850 The TDA4850 is a monolithic integrated circuit for economical solutions in VGA/XGA and multi-frequency monitors. The IC incorporates the complete horizontal and vertical small signal processing. VGA-dependent mode detection and settings are performed on chip. In conjunction with TDA4860 or TDA8351 (vertical output circuits) both ICs offer an extremely advanced system solution. MAX. 16 - - - - 1.6 - 1.6 - 60 70 UNIT V mA V mV V V V V mA mA °C ORDERING INFORMATION EXTENDED TYPE NUMBER TDA4850 Note 1. SOT 146-1; 1996 November 15 PACKAGE PINS 20 PIN POSITION DIL MATERIAL plastic CODE SOT146(1) September 1991 2 Philips Semiconductors Preliminary specification Horizontal and vertical deflection controller for VGA/XGA and multi-frequency monitors TDA4850 September 1991 3 Fig.1 Block diagram. Philips Semiconductors Preliminary specification Horizontal and vertical deflection controller for VGA/XGA and multi-frequency monitors PINNING SYMBOL VP FLB HOR GND VERT1 VERT2 MODE CLBL HVS VS EW CVA RVA REW RVOS CVOS PLL1 RHOS CHOS PLL2 PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DESCRIPTION positive supply voltage horizontal flyback input horizontal output ground (0 V) vertical output 1; negative-going sawtooth vertical output 2; positive-going sawtooth 4th mode output and mode detector disable input clamping/blanking pulse output horiz