ADC78H90CIMT/NOPB

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Data Acquisition – Analog to Digital Converters (ADC) is a device used for conversion of analog embedded signals into digital form for further operations and analysis. ADC78H90CIMT/NOPB is one such device and provides an 8-bit resolution and an 8-channel multiplexer. It is powered by an external single 5V supply, has standby and shutdown modes, and consumes low power of 80mW when in the active state. It features fast conversion speed and therefore provides a high precision data acquisition system.

The ADC78H90CIMT/NOPB offers a variety of features which make it suitable for different kinds of applications. Its 8-bit resolution provides sufficient accuracy for measuring signals up to a resolution of 19.3mV. This makes it suitable for a wide range of signal resolutions from 0-3.3V. It also has a low input signal range of 0-2V, making it suitable for signal conditioning of low signal range signals. The 8-channel multiplexer allows for simultaneous sampling of multiple analog signals, allowing for more efficient data acquisition. The device also has an internal clock for asynchronous operation, thus allowing for more efficient operation in systems where external clock signals may not be available. The low power consumption makes it suitable for low power applications where power efficiency is necessary.

The ADC78H90CIMT/NOPB works on the principle of successive approximation. It starts by comparing the analog input signal to its reference voltage at the input terminal. The difference between the two is quantized into 8 bit values and stored in the successive approximation register. At each stage of the conversion process, a bit is tested. If it is 0, the reference voltage is reduced and compared to the input voltage. If the bit is 1, the reference voltage is increased and again compared to the input voltage. The comparison continues until the output has been determined, at which point the conversion is complete. The converted value is stored in the output register and can be read using the serial interface.

The ADC78H90CIMT/NOPB is suitable for a variety of applications in data acquisition including measuring voltage, current, temperature and humidity. It is also suitable for automotive, industrial, medical and consumer applications where precision data acquisition is required. The device is a good choice for digital signal conditioning of multiple analog signals and is widely used in embedded systems such as on sensor devices. The low power consumption of the device makes it particularly suitable for battery powered and portable applications.

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