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AD7750 - Product-to-Frequency Converter

General Description

The AD7750 is a Product-to-Frequency Converter (PFC) that can be configured for power measurement or voltage-tofrequency conversion.

Key Features

  • Two Differential Analog Input Channels Product of Two Channels Voltage-to-Frequency Conversion on a Single Channel Real Power Measurement Capability < 0.2% Error Over the Range 400% Ibasic to 2% Ibasic Two or Four Quadrant Operation (Positive and Negative Power) Gain Select of 1 or 16 on the Current Channel (Channel 1) Choice of On-Chip or External Reference Choice of Output Pulse Frequencies Available (Pins F1 and F2) High Frequency Pulse Output for Calibration Purposes (FOUT ) HPF on Current C.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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a FEATURES Two Differential Analog Input Channels Product of Two Channels Voltage-to-Frequency Conversion on a Single Channel Real Power Measurement Capability < 0.2% Error Over the Range 400% Ibasic to 2% Ibasic Two or Four Quadrant Operation (Positive and Negative Power) Gain Select of 1 or 16 on the Current Channel (Channel 1) Choice of On-Chip or External Reference Choice of Output Pulse Frequencies Available (Pins F1 and F2) High Frequency Pulse Output for Calibration Purposes (FOUT ) HPF on Current Channel for Offset Removal Single 5 V Supply and Low Power G1 V1+ V1– x16 Product-to-Frequency Converter AD7750 FUNCTIONAL BLOCK DIAGRAM VDD ACDC ADC1 2ND ORDER MODULATOR HPF ADC2 V2+ V2– x2 REVP DELAY CLKOUT CLKIN MULT 2ND ORDER MODULATOR DTF 2.