AD5664R

Data Sheet Quad, 12-/14-/16-Bit nanoDACs with 5 ppm/°C On-Chip Reference AD5624R/AD5644R/AD5664R FEATURES Low power, smallest pin-compatible, quad nanoDACs AD5664R: 16 bits AD5644R: 14 bits AD5624R: 12 bits User-selectable external or internal reference External reference default On-chip 1.25 V/2.5 V, 5 ppm/°C reference 10-lead MSOP; 10-lead, 3 mm × 3 mm LFCSP_WD; and 12-ball, 1.665 mm × 2.245 mm WLCSP 2.7 V to 5.5 V power supply Guaranteed monotonic by design Power-on reset to zero scale Per channel power-down Serial interface, up to 50 MHz APPLICATIONS Process controls Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators FUNCTIONAL BLOCK DIAGRAM VDD GND VREFIN/VREFOUT AD5624R/AD5644R/AD5664R 1.25V/2.5V REF SCLK SYNC DIN INPUT REGISTER DAC REGISTER STRING DAC A BUFFER VOUTA INTERFACE LOGIC INPUT REGISTER DAC REGISTER STRING DAC B BUFFER INPUT REGISTER DAC REGISTER STRING DAC C BUFFER VOUTB VOUTC INPUT REGISTER DAC REGISTER STRING DAC D BUFFER POWER-ON LOGIC POWERDOWN LOGIC Figure 1. VOUTD 05856-001 Table 1. Related Devices Part No. Description AD5624/AD5664 2.7 V to 5.5 V quad, 12-/16-bit DACs, external reference AD5666 2.7 V to 5.5 V quad, 16-bit DAC, internal reference, LDAC, CLR pins GENERAL DESCRIPTION The AD5624R/AD5644R/AD5664R, members of the nanoDAC® family, are low power, quad, 12-/14-/16-bit buffered voltageout DACs. ...