AD5686RARUZ-RL7

The AD5686R/AD5685R/AD5684R, members of the nanoDAC+ family, are low power, quad, 16-/14-/12-bit buffered voltage output DACs. The devices include 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). All devices operate from a single 2.7 V to 5.5 V supply, are guaranteed monotonic by design, and exhibit less than 0.1% FSR gain error and 1.5 mV offset error performance. The devices are available in a 3 mm×3 mm LFCSP and a TSSOP package. The AD5686R/AD5685R/AD5684R also incorporate 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 takes place. Each part contains a per-channel power-down feature that reduces the current consumption of the device to 4 μA at 3V while in power-down mode. The AD5686R/AD5685R/AD5684R employ a versatile SPI interface that operates at clock rates up to 50 MHz, and all devices contain a VLOGIC pin intended for 1.8 V/3 V/5 V logic.

Applications

• Optical transceivers
• Base-station power amplifiers
• Process control (PLC I/O cards)
• Industrial automation
• Data acquisition systems

Key features

• High relative accuracy (INL): ±2 LSB maximum at 16 bits
• Low drift 2.5 V reference: 2 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: 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