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Renesas Electronics Launches RX23E-A Group, First RX Microcontrollers Built-In Industry-Leading Analog Front End For High-Precision Sensing and Measurement Equipment

TOKYO, Japan ― Renesas Electronics Corporation (TSE: 6723), a premier supplier of advanced semiconductor solutions, today introduced the RX23E-A Group 32-bit RX microcontrollers (MCUs), combining high-precision analog front end (AFE) and an MCU on a single chip. Designed for manufacturing and test and measurement equipment applications that require high-precision measurements of analog signals for temperature, pressure, weight, and flow, the RX23E-A MCUs are the first Renesas solutions to enable such signals to be measured with better than 0.1% precision without calibration.

The new MCUs achieve AFE precision at the highest class in the industry (offset drift: 10 nV/°C, gain drift: 1 ppm/°C, and RMS noise: 30 nV rms), a level that could previously only be achieved by combining dedicated A/D converter circuits with high-precision operational amplifier ICs. By integrating this high-precision AFE IP (intellectual property) on a single chip using the same fabrication process technology, Renesas has made it possible to implement high-precision sensor measurement, computation, control, and communications on a single chip. This allows system manufactures to reduce the number of required components, save space, and simplify system design in a wide range of equipment requiring high-precision measurement, such as sensing, temperature controllers, recording, weighing, and force sensing. It also accelerates endpoint intelligence by enabling distributed processing with MCUs.

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