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The AD5664RBCBZ-3-RL7 is a quad, 16-bit buffered voltage-output digital-to-analog converter (DAC) from Analog Devices. It operates on a single 2.7 V to 5.5 V supply and features an integrated 1.25 V reference with a temperature coefficient of 5 ppm/°C, yielding a 2.5 V full-scale output range. The device guarantees monotonicity by design and includes a power-on reset circuit that forces outputs to zero scale upon initialization. It supports serial interfaces up to 50 MHz, including SPI, QSPI, Microwire, and DSP standards.
Verify the specific package variant against the ordering guide, as the AD5664R family is available in 10-lead MSOP, 10-lead LFCSP_WD, and 12-ball WLCSP packages. Confirm that the -3 suffix corresponds to the 1.25 V internal reference configuration required for the target application voltage range.
Select this component when a low-power, high-resolution quad DAC is needed with minimal external components. The internal 1.25 V reference simplifies design but limits the maximum output swing to 2.5 V; use the -5 variant if a 5 V full-scale range is required. Ensure the system interface timing meets the 50 MHz SCLK requirement.
This part belongs to the nanoDAC® family, which provides pin-compatible options across 12-, 14-, and 16-bit resolutions. The AD5664R represents the highest resolution tier within this specific quad-channel series, sharing the same footprint and interface logic as the AD5644R and AD5624R variants.
The AD5664RBCPZ-3-RL7 serves as a direct replacement if an LFCSP package is preferred over the BCBZ designation. Other AD56x4R models offer different resolutions or reference voltages but maintain functional compatibility.