High-precision simulation front end (AFE) IC 71M6515H

71M6515H is a high-precision analog front end (AFE) IC for four epitaxial measurements of 3-phase meter. The device integrates a 21-bit σ-Δ mold / digital converter (with six input AFE), high-precision references with temperature compensation, and computing engines that provide high precision, wide dynamic range characteristics. Our transformation technology (Single Converter Technology® helps reduce crosstalk and cost. The IC also provides real-time clock (RTC), and backup battery supports validity period (TOU). The main processor uses a programmable IRQZ interrupt, communicating with 71M6515H. 71M6515H measured and calculated the accumulated value in each accumulation interval. High-speed synchronous serial interface (SSI) provides convenient conditions for high end design. The integrated calibration function of the backup battery circuit effectively reduces the external components and consumes the lowest backup battery current. In addition, eight multiplexed pins are provided for control of peripheral circuits. Key feature Offering excellent 0.1% of WH accuracy throughout the temperature range and 2000: 1 range The accumulated data is protected and the RTC is powered by power power. UART control interface, two optional rates Low system cost, technology area Solution for liquid level measurement using capacitive sensing technology Industrial 4.0 re-brought Western manufacturing or to reverse the globalization trend Cable fault detection method Production water level meter with LM339 EWB-based temperature measurement circuit design principle analysis and its advantages

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