Maxim Integrated MAX5487ETE+T Dual 256-Tap Nonvolatile Digital Potentiometers

The MAX5487ETE+T from Maxim Integrated is a high-performance, dual, nonvolatile digital potentiometer designed to provide precise and reliable digital control over an analog signal path. This device is part of a series of digital potentiometers that offer 256 taps and are ideal for applications requiring a durable and stable variable resistance, such as volume control, gain adjustment, and tuning applications.

The MAX5487ETE+T features two independent potentiometers in a single package, each with 256 taps that allow for fine adjustment of the resistance settings. The wiper settings are stored in nonvolatile memory, ensuring that the last resistance settings are retained even after the device is powered down, providing a reliable start-up configuration upon power-up.

This digital potentiometer operates over a wide voltage range of 2.7V to 5.5V, making it suitable for both 3V and 5V systems. The MAX5487ETE+T communicates via a SPI-compatible serial interface, allowing for easy integration into a variety of microcontroller-based systems. The device's serial interface also supports daisy-chaining of multiple potentiometers, which simplifies the design of systems requiring multiple channels of digital potentiometers.

The MAX5487ETE+T is available in a compact 16-pin TQFN (Thin Quad Flat No-Lead) package, which is ideal for space-constrained applications. The device also features an end-to-end resistance of 10kΩ, with an excellent temperature coefficient that ensures stable performance across a broad temperature range.

In summary, the Maxim Integrated MAX5487ETE+T offers a combination of nonvolatile memory, fine resolution, and ease of integration, making it a versatile choice for designers looking to add digital control to their analog signal paths. Whether it's for adjusting volume in audio systems, setting the bias voltage in communication devices, or calibrating sensors in industrial equipment, this digital potentiometer provides an efficient and reliable solution.