AD5044BRUZ-REEL7

Fully Accurate, 12-/14-/16-Bit VOUT nanoDAC, Quad, SPI Interface, 4.5 V to 5.5 V in TSSOP Data Sheet AD5024/AD5044/AD5064 FEATURES FUNCTIONAL BLOCK DIAGRAMS VDD VREFIN AD5064-1 INPUT REGISTER DAC REGISTER INPUT REGISTER DAC REGISTER INPUT REGISTER DAC REGISTER DAC C INPUT REGISTER DAC REGISTER DAC D SYNC INTERFACE LOGIC AND SHIFT REGISTER DIN DAC B SDO LDAC CLR BUFFER VOUTA BUFFER VOUTB BUFFER VOUTC BUFFER VOUTD POWER-ON RESET POWER-DOWN LOGIC POR GND Figure 1. AD5064-1 Functional Equivalent and Pin Compatible with AD5666 VREFA VREFB VDD AD5024/ AD5044/ AD5064 APPLICATIONS LDAC INPUT REGISTER DAC REGISTER INPUT REGISTER DAC REGISTER INPUT REGISTER DAC REGISTER INPUT REGISTER DAC REGISTER DAC A SCLK Process control Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators SYNC INTERFACE LOGIC AND SHIFT REGISTER DIN DAC B DAC C DAC D LDAC CLR BUFFER VOUTA BUFFER VOUTB BUFFER VOUTC BUFFER VOUTD POWER-DOWN LOGIC POWER-ON RESET POR VREFC VREFD GND Figure 2. AD5024/AD5044/AD5064 with Individual Reference Pins GENERAL DESCRIPTION PRODUCT HIGHLIGHTS The AD5024/AD5044/AD5064/AD5064-1 are low power, quad 12-/14-/16-bit buffered voltage output nanoDAC® converters that offer relative accuracy specifications of 1 LSB INL and 1 LSB DNL with the AD5024/AD5044/AD5064 individual reference pin and the AD5064-1 common reference pin options. The AD5024/AD5044/AD5064/AD5064-1 can operate from a single 4.5 V to 5.5 V supply. The AD5024/AD5044/AD5064/AD5064-1 also offer a differential accuracy specification of ±1 LSB. The devices use a versatile 3-wire, low power Schmitt trigger serial interface that operates at clock rates up to 50 MHz and is compatible with standard SPI, QSPI™, MICROWIRE, and DSP interface standards. Integrated reference buffers and output amplifiers are also provided on-chip. The AD5024/AD5044/AD5064/AD5064-1 incorporate a power-on reset circuit that ensures the DAC output powers up to zero scale or midscale and remains there until a valid write takes place to the device. The AD5024/AD5044/ AD5064/AD5064-1 contain a power-down feature that reduces the current consumption of the device to typically 400 nA at 5 V and provides software selectable output loads while in powerdown mode. Total unadjusted error for the devices is