32-Channel, 16-/14-Bit,
Serial Input, Voltage Output DAC
AD5372/AD5373
FEATURES 2.5 V to 5.5 V JEDEC-compliant digital levels
Digital reset (RESET)
Clear function to user-defined SIGGNDx
Simultaneous update of DAC outputs 32-channel DAC in a 64-lead LQFP and 64-lead LFCSP
AD5372/AD53731 guaranteed monotonic to 16/14 bits
Maximum output voltage span of 4 × VREF (20 V)
Nominal output voltage range of −4 V to +8 V
Multiple, independent output voltage spans available
System calibration function allowing user-programmable
offset and gain
Channel grouping and addressing features
Thermal shutdown function
DSP/microcontroller-compatible serial interface
SPI serial interface APPLICATIONS
Level setting in automatic test equipment (ATE)
Variable optical attenuators (VOA)
Optical switches
Industrial control systems
Instrumentation FUNCTIONAL BLOCK DIAGRAM
VSS LDAC AGND DGND n = 16 FOR AD5372 …