NTE1549 Datasheet (NTE) - Integrated Circuit Dot/Bar Display Driver

NTE1549, Integrated Circuit Dot/Bar Display Driver

The NTE1549 is a monolithic integrated circuit that senses analog voltage levels and drives ten LEDs, LCDs, or vacuum fluorescent displays, providing an electronic version of the popular VU meter.

One pin changes the display from a bar graph to a moving dot display.

LED current drive is regulated a

NTE1549 Features

* D Fast responding electronic VU meter D Drives LEDs, LCDs, or vacuum fluorescents D Bar or dot display mode externally selectable by user D Expandable to displays of 70dB D Internal voltage reference from 1.2V to 12V D Operates with a single supply of 3V to 25V D Inputs operate down to ground D Out