PI2DDR3212ZLE Integrated Circuits (ICs)

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Within the large umbrella of interface technologies, analog switches offer the ability to separate or combine signal paths in electrical circuits. These switches are found in a wide variety of fielded use cases, such as modems and audio switching, but also have a more special purpose application as well. One such element is the PI2DDR3212ZLE, which serves as a low power, dual-port differential signal splitter in applications such as test & measurement, and optical communications.

Applications

The PI2DDR3212ZLE provides a 3dB signal attenuation and a broad range of bandwidth support from DC to 6GHz. This range makes it suitable for a variety of applications that require divergence, such as broadcast and television equipment. In addition, it also finds usage in field applications such as point-to-point radio, fixed wireless access, and automatic meter reading.

Somewhat unique to the PI2DDR3212ZLE is its power consumption rating of 0.4mW maximum. This level of power is almost imperceptible to users, making it perfect in battery powered applications. This feature also makes it ideal for sensors & monitoring, where energy efficiency is at a premium.

Working Principle

The PI2DDR3212ZLE uses a simple electrode structure to control the switching. It has a pair of control electrodes on the left, and two pairs of differential signal electrodes (IN1 and IN2) on the right. The signals are split through the center of the electrodes. When the control electrodes are activated, a electrical field is created and the signals split. By deactivating the control electrodes, the signals will be re-combined.

At its core, the PI2DDR3212ZLE is an analog switch designed to split and combine differential signals. It provides an optimal way to route and combine signals, allowing users to control specific combinations of signals and helping to maximize space on a circuit board. As such, the PI2DDR3212ZLE is a highly special purpose element that provides great value in special applications in the field.

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