NJU9101MLE-TE1 Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Number of Bits:	16
Number of Channels:	2
Power (Watts):	2.1W
Voltage - Supply, Analog:	2.4 V ~ 3.6 V
Voltage - Supply, Digital:	2.4 V ~ 3.6 V
Package / Case:	24-WFQFN Exposed Pad
Supplier Device Package:	24-EQFN (4x4)

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To achieve the task of interfacing between the measurement system and the real physical world, Analog Front End (AFE) is the central element of a complete data acquisition system. Different from the analog circuits and digital integrated circuit technologies, AFE consists of programmable analog inputs and outputs which are used in many scenarios and can be widely used in various fields, such as instrumentation and process control systems, automotive ECUs, communications systems and biomedical engineering. The purpose of this essay is to provide an overview of the application field and working principle of the NJU9101MLE-TE1, one of the Analog Front Ends product.

The NJU9101MLE-TE1 is an analog front end (AFE) with 8 analog input channels and 4 analog output channels with 24-bit resolution. It contains sixteen 16-bit SAR ADCs and four 16-bit digital-to-analog converters (DACs) as well as a Programmable Logic Device (PLD) that, with the help of a firmware, turns the NJU9101MLE-TE1 into a stand-alone device. It has low power consumption and an input range of 0–5V which is suitable for low voltage signal acquisition.

The application fields of NJU9101MLE-TE1 mainly consist of data acquisition, transmission, monitoring, control and general applications. In the field of data acquisition, it is mainly used in product testing, industry process control and other scenarios. As an example, airlines employ various data acquisition systems in their product tests. The NJU9101MLE-TE1 can be used to acquire data, such as flight attitude or speed, and provide the raw data for further analysis. In some process control fields, it can also be used in noise monitoring systems or systems for measuring pressure.

As for the working principle of NJU9101MLE-TE1, it follows the Sigma-Delta architecture. The input signals from analog sources are first scanned and then converted into binary values in the Sigma-Delta Modulator (SDM). This binary data then reaches the decimation filter, which processes the data by removing noise components and setting the output resolution. The data is then output in parallel form and transformed into the digital domain.

To sum up, NJU9101MLE-TE1 is an analog front end that provides 8 analog input channels and 4 analog output channels with 24-bit resolution. It is suitable for low voltage signal acquisition. It can be used in various fields such as data acquisition, transmission, monitoring, control and general applications. It uses the Sigma-Delta architecture to convert analog signals into binary data and then outputs them in the digital domain.

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