AD5679R

INTERFACE LOGIC 17326-001 Data Sheet 16-Channel, 12-/16-Bit nanoDAC+ with 2 ppm/°C Voltage Reference Temperature Coefficient, SPI Interface AD5674/AD5674R/AD5679/AD5679R FEATURES High performance High relative accuracy (INL): ±4 LSB maximum at 16 bits (AD5679/AD5679R) TUE: ±0.14% of FSR maximum Offset error: ±1.5 mV maximum Gain error: ±0.06% of FSR maximum Low drift, 2.5 V voltage reference temperature coefficient: 2 ppm/°C typical 40 mA short-circuit current Wide operating ranges −40°C to +125°C temperature range 2.7 V to 5.5 V power supply range Simplified implementation User selectable gain of 1 or 2 (GAIN pin) 1.8 V logic compatibility 50 MHz serial peripheral interface (SPI) with readback or daisy chain 28-lead, 4 mm × 4 mm, RoHS compliant LFCSP APPLICATIONS Optical transceivers Base station power amplifiers Process control (programmable logic controller (PLC) input/output cards) Industrial automation Data acquisition systems FUNCTIONAL BLOCK DIAGRAM VLOGIC VDD VREF AD5679R/AD5679/AD5674R/AD5674 INPUT REGISTER DAC REGISTER 2.5V REF1 STRING DAC 0 BUFFER SCLK SYNC SDI INPUT REGISTER INPUT REGISTER INPUT REGISTER DAC REGISTER DAC REGISTER DAC REGISTER STRING DAC 1 STRING DAC 2 STRING DAC 3 BUFFER BUFFER BUFFER VOUT0 VOUT1 VOUT2 VOUT3 SDO LDAC RESET POWER-ON RESET INPUT REGISTER INPUT REGISTER DAC REGISTER DAC REGISTER STRING DAC 14 BUFFER VOUT14 STRING DAC 15 BUFFER VOUT15 GAIN ×1/×2 POWER-DOWN LOGIC 1ONLY APPLICABLE TO AD5679R/AD5674R. Fig...