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General Description

The MAX5105/MAX5106 nonvolatile, quad, 8-bit digital-to-analog converters (DACs) operate from a single +2.7V to +5.5V supply. An internal EEPROM stores the DAC states even after power is removed. Data from these nonvolatile registers automatically initialize the DAC outputs and operating states during power-up. Precision internal buffers swing Rail-to-Rail?, and the reference input range includes both ground and the positive rail.

Features

? On-Chip EEPROM Stores DAC States

? Power-On Reset Initialization of All Registers to Prestored States

? +2.7V to +5.5V Single-Supply Operation

? Four 8-Bit DACs with Independent High and Low Reference Inputs (MAX5105)

? Ground to VDD Reference Input Range

? Rail-to-Rail Output Buffers

? Low 1mA Supply Current

? Low Power 10μA (max) Shutdown Mode

? Small 20- or 16-Pin QSOP Package

? SPI?/QSPI?/MICROWIRE?-Compatible Serial Interface

? Asynchronous MUTE Input (MAX5105)

? RDY/BSY Pin to Indicate Memory Status (MAX5105)

? Wide Operating Temperature Range (-40°C to +85°C)

Applications

??? Digital Gain and Offset Adjustments

??? Programmable Attenuators

??? Portable Instruments

??? Power-Amp Bias Control