AD5379
FEATURES
40-channel DAC in 13 mm × 13 mm 108-lead CSPBGA Guaranteed monotonic to 14 bits Buffered voltage outputs Output voltage span of 3.5 V × VREF(+) Maximum output voltage span of 17.5 V System calibration function allowing user-programmable offset and gain Pseudo differential outputs relative to REFGND Clear function to user-defined REFGND (CLR pin) Simultaneous update of DAC outputs (LDAC pin) DAC increment/decrement mode Channel grouping and addressing features
Interface options: Parallel interface DSP/microcontroller-patible, 3-wire serial interface 2.5 V to 5.5 V JEDEC-pliant digital levels SDO daisy-chaining option Power-on reset Digital reset (RESET pin and soft reset function)
APPLICATIONS
Level setting in automatic test equipment (ATE) Variable optical attenuators (VOA) Optical switches Industrial control systems
FUNCTIONAL BLOCK DIAGRAM
VCC POWER-ON RESET RESET FIFOEN DCEN/WR SYNC/CS 14 VDD VSS AGND DGND LDAC VBIAS VREF1(+) VREF1(- ) REFGND A1 VBIAS...
