AD7980ACPZ-RL7

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Data acquisition is the process of sampling levels of physical parameters, such as temperature, pressure, force, or acceleration, and converting them into digital or analog signals for further processing. Analog-to-digital converters (ADCs) are devices that participate in data acquisition by converting analog signals into digital signals. An ADC’s component parts are the key to understanding the chip’s operation. AD7980ACPZ-RL7 is one of the popular analog-to-digital converters that plays an important role in data acquisition applications.

Function
The AD7980ACPZ-RL7 is a low-cost, general-purpose, single-channel, 18-bit successive approximation ADC. It is suitable for low-frequency sampling applications and provides low power consumption, high accuracy, and low power dissipation. The converter provides single-ended input and bipolar input ranges, a clock-sync operation, and is organized with a 400kHz sampling rate. It is a low-power converter that features a non-multiplexed voltage output, which can deliver up to 16-bit resolution.

Application Fields
The AD7980ACPZ-RL7 can be used in several data acquisition applications, such as in test and measurement systems, medical equipment, audio recorders, and embedded systems. This analog-to-digital converter is widely used in medical equipment, where accurate and reliable measurements are important for life-saving or mind-saving decisions. It is also used extensively in test and measurement systems, where it is used to gather data on the performance of a particular system under test. Furthermore, the AD7980ACPZ-RL7 is used in audio recorders, where it is used to accurately digitize audio signals. Embedded systems, such as control systems, often use the AD7980ACPZ-RL7 to convert analog signals into digital data for processing or output.

Working Principle
The AD7980ACPZ-RL7 is a low-power, 18-bit successive approximation analog-to-digital converter. It is organized as an implementation of two amps and an array of comparators. The AD7980ACPZ-RL7 starts conversion when it receives an input signal via its single-ended input. The converter then amplifies the signal, compares and evaluates it with an internal reference voltage, and produces a digital output. The internal reference voltage is selected by a binary counter, which runs parallel to the converter circuit. The converter works by comparing and evaluating the input signal with the reference voltage. If the signal is greater than the reference, a set bit is collected. If the signal is lower than the reference, a reset bit is collected. As a result, a digital word is created and output to the system.

The AD7980ACPZ-RL7 is a versatile analog-to-digital converter that can be used in a wide range of data acquisition applications. It features a low-power, high-accuracy, low-power dissipation architecture that delivers up to 18-bit resolution. The AD7980ACPZ-RL7 is cost-effective, easy to use and can be quickly integrated into most systems. It is well-suited for applications in medical, test and measurement, audio recording and embedded systems that require accurate and reliable conversion of analog signals into digital data.

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