AD7922ARMZ-REEL

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Data Acquisition – Analog to Digital converters (ADC) are an important part of the modern electronics industry. By converting analog signals into digital, ADCs ensure data accuracy, provide easy portability and efficient storage of the data. Among these is the AD7922ARMZ-REEL ADC, which is a 16-bit ΔΣ ADC. This part provides 16-bit resolution and has excellent linearity and accuracy for a broad industrial, automotive and consumer temperature range.

The AD7922ARMZ-REEL is available in three package types: 3 mm × 3 mm QFN, 8-Lead TSSOP and 8-Lead SOIC. This part is sample-and-hold (S&H) capable with a programmable update rate, which allows the user to define the S&H update rate for improved performance or power savings. This combined with a programmable HI-Z input allows the use to leave analog inputs floating and improve power savings. This part also has an SPI compatible serial interface that is both fast and flexible, allowing the user to maximize efficiency.

An important feature of the AD7922ARMZ-REEL is the power rail design. This part design enables power savings with a low-power standby mode and rail-to-rail input and output ranges. This part can operate off a single 2.5 V to 3.6 V power source. The built-in reference amplifier supports various external references and offers a wide reference range.

The AD7922ARMZ-REEL offers a variety of features suitable for applications in the industrial, automotive and consumer portable/handheld markets such as medical systems, gaming, barcode scanners and industrial control applications. The AD7922ARMZ-REEL is also used for a wide range of temperature measurements in HVAC, industrial, medical and military applications. The combination of the AD7922ARMZ-REEL’s low power consumption, high accuracy and low noise make this part an ideal choice for many applications.

For applications which require the conversion of an analog signal to a digital signal, the working principle of the AD7922ARMZ-REEL is fairly straightforward. This part consists of a comparator, an integrator, a quantizer and a digital filter. The incoming analog signal is first fed into the comparator where it is converted into a presentable form for the quantizer. The quantizer then converts the signal into a digital form. Finally, the digital filter removes any unwanted noise from the incoming signal. The output of this part is a sixteen-bit digital representation of the input signal.

In conclusion, the AD7922ARMZ-REEL is a useful and efficient ADC for a wide range of applications. This part is available in three package types and gives excellent linearity and accuracy across a broad temperature range. It also has a low-power standby mode, a programmable sample-and-hold update rate and a rail-to-rail input and output range. These features, along with its sixteen-bit resolution and SPI-compatible serial interface, make the AD7922ARMZ-REEL a suitable choice for many applications.

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