FEATURES
AD7398—12-Bit Resolution AD7399—10-Bit Resolution Programmable Power Shutdown Single (3 V to 5 V) or Dual (؎5 V) Supply Operation 3-Wire Serial SPI-Compatible Interface Internal Power ON Reset Double Buffered Registers for Simultaneous Multichannel DAC Update Four Separate Rail-to-Rail Reference Inputs Thin Profile TSSOP-16 Package Available Low Tempco 1.5 ppm/؇ C APPLICATIONS
Automotive Output Voltage Span Portable Communications Digitally Controlled Calibration PC Peripherals GENERAL DESCRIPTION
VDD INPUT REG A SERIAL REGISTER CS INPUT REG B Quad, Serial-Input 12-Bit/10-Bit DACs AD7398/AD7399 FUNCTIONAL BLOCK DIAGRAM VREFB VREFA DAC A REGISTER DAC A VOUTA DAC B REGISTER DAC B VOUTB SDI INPUT REG C DAC C REGISTER CLK DAC C VOUTC 12/10 INPUT REG D DAC D REGISTER DAC D VOUTD Built with Analog’s robust CBCMOS process, this monolithic DAC offers the user low cost, and ease-of-use in single or dual-supply systems. Valid VREF values include VSS < VREF < VDD that result in a wide selection of full-scale outputs.
Analog Devices
