LCD microdisplay driver for home theatre projectors

31 July 2002 Opto-Electronics

To meet the demanding cost and performance requirements of higher resolution displays for the home theatre market, ADI has added a new member to its DecDriver family of drive electronics architectures for microdisplays.

The AD8381 eases front or rear projection system design through fast, high-speed decimating input logic that can be loaded left to right, or vice versa. The device also eliminates the need for external amplifiers and calibration cycles by providing laser-trimmed, accurate, fast settling time imaging signals and a full 9-18 V power supply range. The AD8381 represents a complete, feature-rich solution for projection system design and includes logic-controlled inversion and voltage-controlled mid-scale, brightness and contrast controls.

The AD8381 is fabricated on ADI's XFCB26 process, providing fast input logic, trimmed accuracy bipolar DACs and fast settling, high-voltage precision drive amplifiers on the same chip. It dissipates nominally 0,57 W of static power.

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