AD9280ARSZ

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AD9280A is an Analog-to-digital converter (ADC) specified for high-accuracy, low-power and high-speed data acquisition applications. The device features a 12-bit or 14-bit resolution and sample rates up to 150Msps. It provides an innovative, internally integrated, low-noise dual-channel sampling architecture. Additionally, with its low-power, 2.5V single-supply operation and adjustable power-down settings, AD9280A is an ideal choice for portable and mobile applications.

AD9280A has a wide range of application fields. As a high-speed and high resolution ADC, it can be used in demanding data acquisition applications such as ultrasound imaging, laboratory instrumentation, industrial automation, and home entertainment.

The AD9280A is built on a Sigma-Delta architecture. It includes an analog input stage, a sample-and-hold circuit, an output/control register, and a low-jitter data clock. Its dual-channel sampling architecture allows simultaneous sampling of two different signals, which can then be digitized separately. The data clock is used to control the sampling frequency of the channel A and B inputs. The output data will be read out through the outputs of the digital filter. This data could be used to perform further signal processing.

The AD9280A features a low noise floor and high dynamic range, which allows it to accurately process low-amplitude as well as high-amplitude signals simultaneously. Additionally, the output dynamic range of the ADC is configurable, allowing for increased resolution for dynamic signals. The 14-bit and 12-bit versions offer different speed, resolution, and power ratings adjusted to meet customer’s needs and price point.

The AD9280A utilizes an integrated analog input stage, including an input buffer, amplifier, and clocking circuitry. An external voltage reference can be used, and a low-noise amplifier is provided to drive the reference. The device also includes integrated sample-and-hold circuitry and clock generator, thus reducing the number of external components and simplifying circuit design. The device also provides power-down modes, which allow it to operate in low-power environments.

The AD9280A offers excellent performance and flexibility, making it a suitable device for demanding data acquisition applications. With its wide range of features and configurability, it offers an ideal solution for a variety of applications. Furthermore, its high resolution, low-power and low-noise operation make it a great choice for portable and mobile applications.

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