ADS131E04IPAGR

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Data Acquisition is a process of measuring different properties such as temperature, pressure, light, voltage and other physical or chemical parameters to acquire desired results. Analog Front End (AFE) is a type of device or subsystem used in data acquisition systems to acquire data efficiently and accurately. It helps to convert analog signals into digital signals. One of the widely used AFEs is the ADS131E04IPAGR.

ADS131E04IPAGR is an ultra-low power, single-supply, 12-bit, delta-sigma analog-to-digital converter (ADC) with a temperature sensor. It is specifically designed to provide accurate, low-power conversion of very small analog signals, such as those produced by physical sensors such as light, pressure, temperature, and humidity. Now, let’s look at the application field and working principle of the ADS131E04IPAGR.

Application field of ADS131E04IPAGR

The ADS131E04IPAGR is widely used in many industries, such as medical instrumentation, medical imaging, automotive and environmental sensing. It can be used in a wide range of applications such as home automation, temperature control, and remote monitoring, making it a versatile tool for data acquisition and control.

This ADC can also be used in many industrial applications such as process control, machine vision, and process control that require accurate, low-power conversion of low-level analog signals. Additionally, because of its high scope of capacitive measurement, the device can be applied in various occupancy detection systems.

Moreover, the ADS131E04IPAGR can be used in medical and health care applications such as health monitoring systems and fitness trackers due to its fast conversion time and low power consumption. It can also be used in smart agriculture to measure data such as soil and crop moisture.

Working Principle of ADS131E04IPAGR

The device works on delta-sigma ADC technique. Its working is similar to any other delta-sigma ADC, in which an input signal is compared with an internal VGND to select the appropriate binary output. The signal is then oversampled, filtered and compared with the internal reference voltage. The device can accurately measure analog signals up to 12-bit resolution with a single supply, making it ideal for low power consumption applications.

The ADC has an active clock generator which switches the power to the different sections of the device. It also has an internal Crystal and a Clock Mux that enable the device to switch between three clock modes of operation. This allows the chip to enable dynamic switching of the clock source at run-time.

The temperature sensor of the device measures the temperature of the surrounding environment and transmits a reference voltage for the application. This voltage can also be used to adjust internal clock frequency and enables the device to operate over wide temperature range.

The ADS131E04IPAGR can output both digital as well as analog signals. Digital signals are produced at the PmodTM or MicroController (MCU) interface through the 8-bit I2C bus. The 4-bit DAC output is used to produce analog output signals.

The ADS131E04IPAGR utilizes Delta Sigma Data Conversion that works by oversampling the input signal. The oversampled signal is then passed through a loop filter which removes high frequency noise and produces a proportional output.

The ADS131E04IPAGR is a single chip solution that includes analog to digital conversion, low power design, digital temperature measurement, and 10bit DAC output. It is a unique device that provides many advantages over traditional Delta-Sigma ADC’s, such as low power consumption, low cost, easy integration, fast operational speed, and accurate temperature measurement.

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