CGENERAL DESCRIPTION

The AD5346/AD5347/AD53481 are octal 8-,10-,and 12-bit DACs,operating froma 2.5 V to 5.5 V supply. These devices incorporatean on-chipoutput buffer that can drive the output to both supply rails, and also allow a choice of buffered or unbuffered reference input.

FEATURES

AD5346: octal 8-bit DAC

AD5347: octal 10-bit DAC

AD5348: octal 12-bit DAC

Low power operation: 1.4 mA(max) @ 3.6 V

Power-down to 120 nA @ 3 V,400 nA @ 5 V

Guaranteedmonotonic bydesignover all codes

Rail-to-railoutputrange:0 V to VREFor 0 V to 2 × VREF Power-onresetto0 V

Simultaneous update of DAC outputs via LDAC pin

Asynchronous CLR facility

Readback

Buffered/unbuffered reference inputs 20 ns WR time

38-lead TSSOP/6 mm × 6 mm40-lead LFCSP packaging Temperature range: –40°C to +105°

APPLICATIONS

Portablebattery-poweredinstruments

Digital gainand offsetadjustment

Programmable voltage and current sources

Opticalnetworking

Automatic test equipment

Mobile communications

Programmable attenuators

Industrialprocess control