AD9226ARSZ

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Data Acquisition - Analog to Digital Converters (ADC) are used to capture, process, and interpret data from analog inputs. The AD9226ARSZ is among the best of the high performance 16 bit analog to digital converters. The following is the application field and working principle for the AD9226ARSZ.

Application: The AD9226ARSZ 16-bit successive approximation register (SAR) analog-to-digital converter (ADC) is perfect for applications demanding low noise performance and wide bandwidth density. The analog core contains an integrated output amplifier and sample-and-hold circuit which is capable of wide bandwidth input stream processing. The digital core contains an integrated digital filters which eliminates the need for external digital filtering, resulting in a very compact design. The AD9226ARSZ is certified for medical applications and is ideal for consumer and industrial sensoring systems, such as temperature and security systems.

Working Principle: The AD9226ARSZ is based on a two-stage conversion process. Its input is first tested against a reference voltage in order to determine the most significant bit (MSB). Once the MSB is determined, the remaining 15 bits are compared using successive approximation to determine the remaining bits. The successive approximation begins with a single bit toggle at the MSB location. If the input voltage is lower than the reference voltage then the bit is set to a 1, otherwise it is set to a 0. This process is repeated for the next bit, comparing the input voltage against a reference determined by the first bit, and so on for each of the remaining bits. Once the last bit is tested the conversion result is output to the digital result register.

The AD9226ARSZ features a programmable sample and hold (S&H) architecture that simplifies the control circuitry and simplifies the input signal interface. The programmable S&H features of the AD9226arsz allow for different input signal frequencies, significantly improving accuracy and decreasing conversion time. In addition, the internal digital filtering removes the need for external filters, reduces undesirable artifacts, and ensures high-resolution signals. The AD9226ARSZ provides excellent dynamic performance with its low noise floor, low linearity error, and high signal-to-noise ratio (SNR). The AD9226ARSZ provides cost effective performance with its ultra-low power consumption and efficient design.

The AD9226ARSZ is specifically developed for applications demanding low noise performance and wide bandwidth density. The AD9226ARSZ is certified for medical and industrial applications, making it one of the best high performance 16 bit analog-to-digital converters. With its two-stage conversion process and advanced digital filtering, the AD9226ARSZ efficiently and accurately captures, processes and interprets data from analog inputs, creating an efficient, cost effective and high performance design.

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