Precise NJR Analogue Front End available from Rutronik

Precise NJR Analogue Front End available from Rutronik

By eeNews Europe

The front end is configurable via the SPI, making the device ideal for pressure and temperature sensors, flowmeters, thermostats, digital panel meters, and PLCs.

The internal 16-bit ΔΣ A/D converter can sample at rates from 0.814ksps to 6.51ksps and has a single-ended, differential and pseudo-differential input. NJU9103 is available in package sizes of 2.3 x 2.3 mm (DFN8) or 3.5 x 6.4mm (SSOP8).

The NJU09103 can be combined with the STM32F429 MCU for cost-effective sensor signal processing. Signal analysis and synthesis are easy to implement with the respective evaluation boards of the front end and the microcontroller along with a few passive components. The sinus signal can be visualised with the aid of a connected display. It operates similar to an oscilloscope but can output additional information on the slew rate, resolution, and accuracy of NJU9103.

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