Analog Devices AD5378
Bipolar Voltage Output DAC
FEATURES
32-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 AD5378 Interface options Parallel interface DSP/microcontroller-compatible 3-wire serial interface 2.5 V to 5.5 V JEDEC-compliant 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 (VOAs) Optical switches Industrial control systems FUNCTIONAL BLOCK DIAGRAM VCC POWER-ON RESET RESET DCEN/WR SYNC/CS REG0 REG1 DB13 SCLK/DB12 DIN/DB11 14 VDD VSS AGND DGND LDAC VBIAS VREF1(+) VREF1(–)...