2.5 V至5.5 V ，并行接口2.5 V至5.5 V ，并行接口 2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface
CGENERAL DESCRIPTION
The /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 mAmax @ 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
