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The AD5663RBCPZ-3REEL7 is a dual 16-bit buffered voltage-output digital-to-analog converter (DAC) from the nanoDAC family. It operates on a single 2.7 V to 5.5 V supply and features an integrated 1.25 V reference with a 5 ppm/°C temperature coefficient, yielding a 2.5 V full-scale output. The device includes a power-on reset circuit ensuring outputs start at 0 V. It supports serial interfaces up to 50 MHz, including SPI, QSPI, Microwire, and DSP standards. Power consumption is typically 0.6 mW at 3 V and 1.25 mW at 5 V.
Verify the specific suffix '3' indicates the 1.25 V internal reference configuration. Confirm the package type matches the required footprint, as the component is available in MSOP and LFCSP variants. Ensure the reel quantity aligns with production requirements before ordering.
Select this model when a fixed 2.5 V full-scale range is required without external components. Compare settling time specifications against system speed requirements; the AD5663R has a maximum settling time of 7 µs. Verify interface compatibility with the host microcontroller's clock rates up to 50 MHz.
This part belongs to the AD5623R/AD5643R/AD5663R series, which offers pin-compatible options for 12-bit, 14-bit, and 16-bit resolutions. The 'R' designation signifies the inclusion of an on-chip precision reference, distinguishing it from the standard AD5663 which requires an external reference.
The AD5663RBRMZ-3 is a tube-packaged alternative with identical electrical characteristics. For non-referenced applications, the AD5663BCPZ-REEL7 serves as a compatible substitute if an external reference is utilized.