TDA4851

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


Application

These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from  uch improper use or sale.

Pinout




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.