AD73311ARSZ

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Data Acquisition - Analog Front End (AFE) has been an important part of data acquisition systems for decades. The AD73311ARSZ is an excellent example of a specialized AFE designed for signal acquisition, filtering and processing. This application note provides an overview of the AD73311ARSZ, including its features, applications, and working principles.

The AD73311ARSZ is an 8-channel, 195 kHz sample rate, 16-bit, high resolution A/D converter with built-in filtering and signal conditioning. The device provides high accuracy, low noise, and high linearity, making it ideal for a wide variety of applications. It is suitable for use in medical imaging systems, industrial test and measurement equipment, set top boxes, and automotive systems.

The AD73311ARSZ is a dual-channel, single-ended A/D converter that includes a 10-bit, 8-channel multiplexer, a 16-bit ADC, and an analog front end (AFE). The device is configured so that one of the channels is dedicated to monitoring the reference voltage, while the other seven channels can be used for general-purpose analog signal acquisition. The AD73311ARSZ features track/hold amplifiers with a wide input range, allowing it to sense a wide range of signal levels with minimal distortion.

The AD73311ARSZ also features a built-in digital filter for low pass and high pass signal filtering. This eliminates the need for an external filter, saving board space and simplifying the design process. The digital filter can also be used to reduce noise and improve signal-to-noise performance. Additionally, the device features an integrated power down mode that can be used to reduce power consumption.

The working principle of the AD73311ARSZ is fairly straight forward. When an analog input signal is applied, the device uses a track/hold amplifier to capture the input signal on the multiplexer input. The signal is then converted to a digital data stream using a 16-bit successive-approximation ADC. The analog filter is then applied to the data stream, and the results are processed and stored. The device also provides two analog outputs that can be used to monitor the reference voltage or to provide a filtered version of the input signal.

In conclusion, the AD73311ARSZ is an ideal device for a wide variety of applications, ranging from medical imaging systems to automotive systems. The device provides high accuracy, low noise, and high linearity, and includes a built-in digital filter for low pass and high pass signal filtering. The device\'s working principle is fairly straight forward and its power down mode makes it an energy efficient solution.

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