NJU9103 High-Precision Analog Front-End with Configurable Microcontroller for Sensor Signal Processing

An experimental set-up by Rutronik shows how the NJU9103 in combination with the STM32F429 discovery board can be used to implement a measuring system for analog signal synthesis and analysis.

Abstract:

NJRC has developed the new NJU9103 analog front-end (AFE) with built-in PGA that can be used to process analog signals with an amplification of G-512. Not only does the NJU9103 have a wide input range, but it also has very compact dimensions (only 8 pins). In addition, it has an integrated 16-bit ΔΣ type A/D converter with sampling rates from 0.814ksps to 6.51ksps, and the ability to select between differential input and pseudodifferential input. The microcontroller’s parameters can be easily adjusted via an SPI interface.

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