The AD5689RBRUZ-RL7: A 16-Bit, Dual-Channel Voltage Output DAC with SPI Interface and 5V Internal Reference

Release date:2025-08-27 Number of clicks:169

**The AD5689RBRUZ-RL7** is a high-performance, **16-bit, dual-channel voltage-output digital-to-analog converter (DAC)** that sets a benchmark for precision and integration in a compact form factor. This device is engineered for applications demanding high accuracy, stability, and minimal noise, making it an ideal solution for industrial process control, automated test equipment (ATE), and precision instrumentation.

At the core of its performance is a **5V internal reference** with exceptional initial accuracy and low temperature drift. This integrated reference eliminates the need for an external component, saving board space and reducing the overall bill of materials while ensuring a stable and reliable voltage source for both DAC channels. Each channel can be configured to operate in one of three output gain ranges: **0V to 5V (using the internal reference), 0V to 10V, and ±5V**, providing exceptional flexibility for interfacing with various system-level components.

Communication with the device is facilitated through a versatile **high-speed SPI interface**, which supports clock rates up to 50 MHz. This serial interface allows for daisy-chaining multiple devices, simplifying control in complex multi-DAC systems and minimizing the number of GPIOs required from the host microcontroller or processor. The interface also provides access to a suite of programmable features, including output power-down modes with selectable impedance (1 kΩ, 100 kΩ, or High-Z), which are crucial for power-saving in portable or battery-operated equipment.

The AD5689RBRUZ-RL7 is offered in a tiny **3mm x 3mm 16-lead TSSOP package**, making it suitable for space-constrained applications. Its robust design ensures **low glitch impulse and high DC accuracy**, which are critical parameters for generating clean, precise analog signals. The device operates over a wide supply range and is specified for the extended industrial temperature range (-40°C to +105°C), guaranteeing performance in harsh environments.

**ICGOO**

**ICGOODFIND SUMMARY**: The AD5689RBRUZ-RL7 is a highly integrated, dual-channel 16-bit DAC that combines a precision internal reference, flexible output ranges, and a high-speed SPI interface in a miniature package, offering designers a complete and compact solution for high-accuracy analog output needs.

**Keywords**: **16-Bit DAC**, **Dual-Channel**, **SPI Interface**, **5V Internal Reference**, **Voltage Output**.

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