AD5689R-EP Datasheet

• High relative accuracy (INL): ±4 LSB maximum at 16 bits 
• Low drift 2.5 V reference: 4 ppm/°C typical
• Tiny package: 3 mm × 3 mm, 16-lead LFCSP
• Total unadjusted error(TUE): ±0.1% of FSR maximum 
• Offset error: ±1.5 mV maximum
• Gain error: ±0.1% of FSR maximum
• High drive capability: 15 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

• Supports defense and aerospace applications (AQEC)
• Temperature range: −55°C to +125°C
• Controlled manufacturing baseline
• 1 assembly/test site
• 1 fabrication site
• Enhanced product change notification
• Qualification data available on request

• Optical transceivers
• Base station power amplifiers
• Process control (PLC input/output cards)
• Industrial automation
• Data acquisition systems

The AD5689R-EP, a member of the nanoDAC+™ family, is a low power, dual, 16-bit buffered voltage output digital-to-analog converter (DAC). The device includes a 2.5 V, 4 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 AD5689R-EP 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 remains there until a valid write occurs. The device 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 AD5689R-EP uses a versatile serial peripheral interface (SPI) that operates at clock rates up to 50 MHz, and contains a V_LOGIC pin that is intended for 1.8 V/3 V/5 V logic.

Additional application and technical information can be found in the AD5689R data sheet.

PRODUCT HIGHLIGHTS
1. High Relative Accuracy (INL).
    ±4 LSB maximum
2. Low Drift 2.5 V On-Chip Reference.
    4 ppm/°C typical temperature coefficient
    13 ppm/°C maximum temperature coefficient