AD7890SQ-2

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The AD7890SQ-2 is a monolithic, multi-channel, ultra-low-power 12-bit-plus-sign digital-to-analog converter (DAC). It includes a two-channel digital-to-analog converter (DAC), two 14-bit input multiplexers, a DAC reference buffer, and a power supply regulator. It is packaged in a standard 16-pin SOIC_N (QFN_64) package and requires an external reference voltage for operation. The AD7890SQ-2 is ideal for low-power battery-powered applications due to its low operating current and its wide operating voltage range.

The AD7890SQ-2 has many application fields. It is used in various embedded system designs, especially in sensor measurement systems. It can be used as a standard voltage or current source in noise reduction systems or as a dual channel arbiter in motor power control systems. In industrial applications, it can also be used in distributed or remote sensing networks or as a feedback control loop for motion or drive control. In medical imaging systems, the AD7890SQ-2 is used as a current source for MRI and CT scanners, as well as for image sensing for X-ray and ultrasound imaging systems.

The working principle of the AD7890SQ-2 is simple. It takes an analog voltage or current from an external reference such as a sensor and converts it into a 12-bit digital signal. This digital signal is then processed by the converter and output as an analog voltage or current. The converter is designed to have very low power consumption, making it ideal for low-power applications.

The AD7890SQ-2 has a low noise structure, which results in excellent image performance for imaging applications. Its two-channel, multi-stage architecture helps reduce the power consumption and maximize performance, making it an ideal choice for high-precision, low-power applications. The converter has an integrated power supply regulator that ensures that no overvoltage or undervoltage can occur, allowing for reliable operation.

The AD7890SQ-2 is an extremely versatile device because of its wide input range, low operating current, and low operating temperature range. It allows for simple connection and control with a standard integrated circuit controller, making it easy to implement in high-precision systems.

Overall, the AD7890SQ-2 is an excellent choice for low-power, high-precision applications such as sensors, remote sensing networks, imaging systems, motor control, and distributed systems. It is designed to be extremely low-power and low-noise to ensure optimal performance. Its wide input range, low operating current, and low operating temperature range make it an ideal choice for a variety of applications.

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