Analog Device's AD5674, AD5674R, AD5679, and AD5679R are low power, 16-channel, 12-/16-bit, buffered voltage output DACs that include a 2.5 V, 2 ppm/°C internal reference (enabled by default), and a gain select pin, resulting in a full-scale output of 2.5 V (gain = 1) or 5 V (gain = 2). The devices operate from a single, 2.7 V to 5.5 V supply range and are guaranteed monotonic by design. The AD5674, AD5674R, AD5679, and AD5679R are available in a 28-lead lead frame chip scale package (LFCSP) and incorporate a power-on reset (POR) circuit that ensures that the DAC outputs power up to and remains at zero-scale until a valid write. The AD5674, AD5674R, AD5679, and AD5679R contain a power-down mode that reduces the current consumption to 2 μA typical.
Features
- High performance
- High relative accuracy (INL): ±4 LSB max. at 16-bits (AD5679/AD5679R)
- TUE: ±0.14% of FSR max.
- Offset error: ±1.5 mV max.
- Gain error: ±0.06% of FSR max.
- Low drift, 2.5 V voltage reference temperature coefficient: 2 ppm/°C typical
- 40 mA short-circuit current
- Wide operating ranges
- -40°C to +125°C temperature range
- 2.7 V to 5.5 V power supply range
- Simplified implementation
- User-selectable gain of 1 or 2 (GAIN pin)
- 1.8 V logic compatibility
- 50 MHz serial peripheral interface (SPI) with readback or daisy chain
- 28-lead, 4 mm x 4 mm, RoHS compliant LFCSP
Applications
- Optical transceivers
- Base station power amplifiers
- Process control [programmable logic controller (PLC) input/output cards]
- Industrial automation
- Data acquisition systems
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Analog Device's AD5674, AD5674R, AD5679, and AD5679R are low power, 16-channel, 12-/16-bit, buffered voltage output DACs that include a 2.5 V, 2 ppm/°C internal reference (enabled by default), and a gain select pin, resulting in a full-scale output of 2.5 V (gain = 1) or 5 V (gain = 2). The devices operate from a single, 2.7 V to 5.5 V supply range and are guaranteed monotonic by design. The AD5674, AD5674R, AD5679, and AD5679R are available in a 28-lead lead frame chip scale package (LFCSP) and incorporate a power-on reset (POR) circuit that ensures that the DAC outputs power up to and remains at zero-scale until a valid write. The AD5674, AD5674R, AD5679, and AD5679R contain a power-down mode that reduces the current consumption to 2 μA typical.
