**LTC1658IMS8#TRPBF: A 16-Bit Micropower DAC in MSOP-8 Package**

The **LTC1658IMS8#TRPBF** from Analog Devices represents a significant achievement in high-resolution digital-to-analog converter (DAC) design, packing **exceptional 16-bit performance** into a miniature **MSOP-8 package**. This device is engineered for applications where board space, power consumption, and precision are all critical constraints.

A defining characteristic of the LTC1658 is its **micropower operation**, consuming a mere 150µA of supply current during active operation. This feature makes it an ideal solution for **battery-powered and portable instrumentation** that requires long operational life without sacrificing accuracy. The DAC operates from a single **2.7V to 5.5V supply**, further enhancing its suitability for a wide range of portable and industrial systems.

Despite its small size, the LTC1658 delivers **true 16-bit monotonic performance**, ensuring no missing codes across the entire operating temperature range. It incorporates an onboard, precision output buffer amplifier that can both source and sink current, providing rail-to-rail output swing. This integrated buffer simplifies design-in by eliminating the need for an external amplifier in many applications. The serial interface is compatible with SPI, QSPI, and MICROWIRE protocols, offering flexible and straightforward communication with most modern microcontrollers and processors.

The **MSOP-8 package** is crucial for modern high-density circuit boards, allowing designers to incorporate high-resolution analog functionality in a footprint previously reserved for lower-performance components. The part's excellent DC specifications, including low offset and gain error, ensure accurate output voltages, which is vital for control and calibration systems.

Typical applications span a diverse set of markets, including:

* **Portable Medical Devices:** For precision sensor calibration and stimulus generation.

* **Industrial Process Control:** Providing set points for actuators and control loops.

* **Automotive Electronics:** Used in sensor systems and dashboard instrumentation.

* **Battery-Operated Equipment:** Where minimal power drain is paramount.

* **Digital Gain and Offset Adjustment:** Offering a software alternative to mechanical trimpots.

**ICGOOODFIND:** The LTC1658IMS8#TRPBF stands out as a premier solution for designers seeking to combine **high resolution, minimal power consumption, and an ultra-compact form factor**. It successfully bridges the gap between the analog and digital worlds in the most space- and power-constrained applications, proving that superior performance does not require a large footprint.

**Keywords:** 16-Bit DAC, Micropower, MSOP-8 Package, SPI Interface, Rail-to-Rail Output