General Description

The MAX6920 is a 12-output, 76V, vacuum fluorescent display (VFD) tube driver that interfaces a multiplexed VFD tube to a VFD controller such as the MAX6850–MAX6853 or to a microcontroller. The MAX6920 is also ideal for driving either static VFD tubes or telecom relays.

Features

♦ 5MHz Industry-Standard 4-Wire Serial Interface

♦ 3V to 5.5V Logic Supply Range

♦ 8V to 76V Grid/Anode Supply Range

♦ Push-Pull CMOS High-Voltage Outputs

♦ Outputs can Source 40mA, Sink 4mA Continuously

♦ Outputs can Source 75mA Repetitive Pulses

♦ Outputs can be Paralleled for Higher Current Drive

♦ Any Output can be Used as a Grid or an Anode Driver

♦ Blank Input Simplifies PWM Intensity Control

♦ Small 20-Pin SO Package

♦ -40°C to +125°C Temperature Range

Applications

   White Goods

   Gaming Machines

   Automotive

   Avionics

   Industrial Weighing

   Security

   Telecom