MAX749 Datasheet Digitally Adjustable Lcd Bias Supply

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-0143; Rev 1; 2/95 NUAL KIT MA ATION HEET S A EVALU T A WS D FOLLO Digitally Adjustable LCD Bias.

Datasheet Details

Part number	MAX749
Manufacturer	Maxim Integrated (now Analog Devices)
File Size	105.78 KB
Description	Digitally Adjustable LCD Bias Supply
Datasheet	MAX749_MaximIntegratedProducts.pdf

General Description

The MAX749 generates negative LCD-bias contrast voltages from 2V to 6V inputs.

Full-scale output voltage can be scaled to -100V or greater, and is digitally adjustable in 64 equal steps by an internal digital-toanalog converter (DAC).

Only seven small surfacemount components are required to build a complete supply.

Key Features

o +2.0V to +6.0V Input Voltage Range o Flexible Control of Output Voltage: Digital Control Potentiometer Adjustment PWM Control o Output Voltage Range Set by One Resistor o Low, 60µA Max Quiescent Current o 15µA Max Shutdown Mode o Small Size.
8-Pin SO and Plastic DIP Packages MAX749 ________________________.

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