ADADC85S-12

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Data acquisition generally refers to the process of measuring different types of data from any type of physical source or device. As technology has advanced, data acquisition has become increasingly popular, not only in measuring and analyzing physical phenomena but also for digital signal processing. One form of data acquisition, Analog-to-Digital Converters (ADCs), is used to convert analog signals into digital form, allowing signals to be used in a number of different applications and processes. The ADADC85S-12 is one example of this technology and is used in many different industries.

The ADADC85S-12 is an example of a flash-type ADC, meaning it converts analog signals faster than other types of ADCs. The converter features a converter resolution of 12 bits and a sampling rate of up to 140Msps. It is designed to operate on a 3.3V single power supply and comes in a small 8 pin SOIC packaging. The ADADC85S-12 is also available in an extended temperature range (-40 Celsius to +85 Celsius) for use in harsh environments.

The main application fields for the ADADC85S-12 include industrial control, instrumentation and testing, signal processing and condition monitoring. In industrial control, the ADADC85S-12 is used for measurements such as pressure, flow, and temperature. The converter is also used for basic signal conditioning, such as filtering, gain and switching. In instrumentation and testing, the ADADC85S-12 is used for measuring temperature, pressure, flow, voltage, and more. The converter is also used for general signal conditioning, such as current conditioning, gain and attenuation, scaling, and noise reduction.

The working principle of the ADADC85S-12 is based on a successive approximation algorithm, meaning it samples and holds an analog signal, is then accelerated through a series of logical gates, and is finally converted into a digital output. The algorithm consists of an input multiplexer, an intermediate latch, a set-reset flip-flop, a DAC, and a counter. The input multiplexer selects one of the analog inputs. The latch stores the analog voltage momentarily so that the variation caused by switching is negligible. The set-reset flip-flop is used for clock and reset operations. The DAC produces a digital output based on the input analog voltage. Lastly, the counter is used to control each successive approximation.

The ADADC85S-12 is a powerful and versatile Analog-to-Digital Converter (ADC) used in many different applications. It is designed to operate on a single power supply without the need for an external reference. The device offers 12-bit converter resolution and a sampling rate of up to 140Msps, which makes it suitable for a wide range of applications. With its reliability and extended temperature range, the ADADC85S-12 is a great choice for industrial control, instrumentation, testing, signal processing, and condition monitoring.

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