GENERAL DESCRIPTION
The TDA4851 is a monolithic integrated circuit for economical solutions in VGA/XGA and autosync 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 TDA4860/61/65, or TDA8351 (vertical output circuits) the ICs offer an extremely advanced system solution.

FEATURES
• VGA operation fully implemented including alignment-free vertical and E/W amplitude presettings
• 4th VGA mode easy applicable (XGA, Super VGA)
• Autosync operation externally selectable
• Low jitter
• 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 autosync operation
• DC-coupling to vertical power amplifier
• Internal supply voltage stabilization with excellent ripple rejection to ensure stable geometrical adjustments