Product Details
●The AD5687R _nano_DAC+™ is a low power, dual, 12-bit buffered voltage output digital-to-analog converter (DAC). The device includes a 2.5 V, 2 ppm/°C internal reference (enabled by default) and a gain select pin giving a full-scale output of 2.5 V (gain = 1) or 5 V (gain = 2). The device operates from a single 2.7 V to 5.5 V supply, is guaranteed monotonic by design, and exhibits less than 0.1% FSR gain error and 1.5 mV offset error performance. The device is available in a 3 mm × 3 mm LFCSP and a TSSOP package.
●The AD5687R also incorporates a power-on reset circuit and a RSTSEL pin that ensures that the DAC outputs power up to zero scale or midscale and remain there until a valid write takes place. The part contains a per channel power-down feature that reduces the current consumption of the device to 4 μA at 3 V while in power-down mode.
●The AD5687R uses a versatile serial peripheral interface (SPI) that operates at clock rates up to 50 MHz. and contains a VLOGIC pin that is intended for 1.8 V/3 V/5 V logic.
●Product Highlights
● 1. High Relative Accuracy (INL).
●AD5687R (12-bit): ±1 LSB maximum
● 2. Low Drift 2.5 V On-Chip Reference.
●2 ppm/°C typical temperature coefficient
●5 ppm/°C maximum temperature coefficient
● 3. Two Package Options.
●3 mm × 3 mm, 16-lead LFCSP
●16-lead TSSOP
●Applications
● Optical transceivers
● Base station power amplifiers
● Process control (PLC I/O cards)
● Industrial automation
● Data acquisition systems
●### Features and Benefits
● High relative accuracy (INL): ±1 LSB maximum at 12 bits
● Low drift 2.5 V reference: 2 ppm/°C typical
● Tiny package: 3 mm × 3 mm, 16-lead LFCSP
● TUE: ±0.1% of FSR maximum
● Offset error: ±1.5 mV maximum
● Gain error: ±0.1% of FSR maximum
● High drive capability: 20 mA, 0.5 V from supply rails
● User-selectable gain of 1 or 2 (GAIN pin)
● Reset to zero scale or midscale (RSTSEL pin)
● 1.8 V logic compatibility
● 50 MHz SPI with readback or daisy chain
● Low glitch: 0.5 nV-sec
● Low power: 3.3 mW at 3 V
● 2.7 V to 5.5 V power supply
● −40°C to +105°C temperature range
