AD5669RARUZ-1-RL7

Overview

The AD5669RARUZ-1-RL7 is an octal, 16-bit buffered voltage-output digital-to-analog converter (DAC) from Analog Devices. It features a 2.7 V to 5.5 V supply range and integrates a 1.25 V on-chip reference with 5 ppm/°C temperature coefficient, yielding a 2.5 V full-scale output range. The device supports I2C-compatible serial interfaces at standard (100 kHz) and fast (400 kHz) modes. Key specifications include a settling time of 7 µs, guaranteed monotonicity by design, and power-down currents as low as 200 nA at 3 V. It is housed in a 16-lead TSSOP package.

Feature Summary

• Octal architecture providing eight independent 16-bit DAC channels.
• Integrated 1.25 V reference with 5 ppm/°C stability for 2.5 V full-scale outputs.
• I2C interface supporting standard and fast mode operations.
• Power-on reset ensures outputs initialize to zero scale or midscale.

Applications

• Process control systems
• Data acquisition systems
• Portable battery-powered instruments
• Programmable voltage and current sources

Procurement Notes

Verify the specific suffix '-1' confirms the internal 1.25 V reference selection. Confirm the 'R' indicates the TSSOP package and 'U' denotes lead-free composition. Ensure the '-RL7' designation matches the required reel quantity for manufacturing integration.

Selection Notes

Select this component when eight synchronized 16-bit outputs are required within a compact footprint. The integrated 1.25 V reference simplifies board layout compared to external reference solutions. Verify that the 2.7 V minimum supply voltage aligns with the system's power budget.

Part Context

This part belongs to the denseDAC family, designed for high channel density in limited space. It shares functional similarities with the AD5629R but offers higher 16-bit resolution. The RARUZ-1 variant specifically targets applications requiring precise voltage scaling without external precision references.

Replacement Considerations

The AD5669RARUZ-2-RL7 serves as a direct pin-compatible alternative if a 2.5 V internal reference (5 V full-scale) is preferred. Other members of the AD5669R series may offer different package options such as LFCSP or WLCSP.