Quad, Serial-Input
12-Bit/10-Bit DACs
AD7398/AD7399
FUNCTIONAL BLOCK DIAGRAM FEATURES VDD VREF B VREF A AD7398/AD7399
INPUT
REG A DAC A
REGISTER DAC A VOUTA DAC B
REGISTER DAC B VOUTB DAC C
REGISTER DAC C VOUTC DAC D
REGISTER DAC D VOUTD SERIAL
REGISTER
CS INPUT
REG B SDI
INPUT
REG C CLK APPLICATIONS 12/10 Automotive output voltage span
Portable communications
Digitally controlled calibration
PC peripherals INPUT
REG D POWER
ON RESET VSS RS LDAC VREF C VREF D 02179-001 AD7398—12-bit resolution
AD7399—10-bit resolution
Programmable power shutdown
Single (3 V to 5 V) or dual (В±5 V) supply operation …