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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–
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