AD737JR-5-REEL7

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PMIC - RMS to DC Converters is a specialized form of power conversion in which RMS (root mean square) current or voltage is converted to a DC output in order to achieve a regulated, high performance power supply. The AD737JR-5-REEL7 is one of the most sophisticated and reliable chips available for this application.

Application Field

This chip can be used in a wide range of input and output configurations, allowing it to be used in applications like power supplies, AC to DC conversion, RMS signal shaping and correction, and DC to DC conversion. The device’s rugged construction and high stability make it well-suited for use in standardized industrial products and for applications in extreme environmental conditions.

Working Principle

The AD737JR-5-REEL7 utilizes a unique differential topology to perform the conversion of RMS to DC with a maximum power ripple of 0.5%. The converter is configured with a four-quadrant multiplier that is followed by a filter section consisting of five poles and a total of four analog circuit blocks. This filter is then followed by an asymmetrical amplifier, which amplifies the signal and performs rectification to convert the signal from a sinusoidal waveform to a DC signal. The device also features temperature compensation to improve accuracy and reduce the impact of temperature sensitivity.

This chip works by rectifying the input signal, which is accomplished by the four-quadrant multiplier. The output of the multiplier is passed through the filter and then to the asymmetrical amplifier before being rectified. This is done to increase the signal strength and minimize harmonic distortion before the signal goes through the rectifier. The rectified signal is then multiplied, filtered, and amplified until it is ready to be output as DC.

The AD737JR-5-REEL7 is ideal for use in high performance and robust power supplies because it offers high efficiency, a lower output load power limit, excellent parameters for dynamic transients, and a wide input voltage range. This chip is also especially well-suited for use in applications where high efficiency and low noise are required.

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