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Technology Front

HOLTEK New BH66F2663 Impedance Phase Angle Measurement MCU

Published: Nov 24,2020

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Holtek announced the release of its new Flash MCU, the BH66F2663, which is especially designed for multi-frequency band high accuracy impedance phase angle measurements. By using an impedance phase angle measurement circuit, the overall composition of objects being tested can be measured. When human body impedance and phase angle are measured, this can provide the base data for body fat calculations. A four or eight-electrode method can be used to make these human body measurements.

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With regards to other resources, the BH66F2663 includes a 16K×16 Flash Program Memory, a 1024×8 Data Memory, a 256×8 EEPROM, LED driver and a range of communication interfaces. The device includes an integrated 5kHz~1MHz multi-frequency band sine wave generator, an impedance phase angle measurement circuit, an LDO and a 24-bit A/D converter circuit.

With these features, the device can provide a wide range and more accurate impedance phase angle measurements and also greatly reduce the external component requirements. This results in major reductions in manufacturing and BOM component costs. The EEPROM can be used to store any required automatic adjustments for the product as well as calibration parameters thus simplifying development and production.

With regards to packaging, the BH66F2663 is supplied in 48-pin LQFP and 64-pin LQFP package types. With its abundant system resources and comprehensive range of functions, the device can meet the needs of a wide range of diversified health measurement products.

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