AD7264BSTZ-5

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The AD7264BSTZ-5 (the “AD7264B” or “device”) is a precision low-power 8-channel analog-to-digital converter (ADC) that is designed for high-resolution, low-latency, low-cost data acquisition. The device is used in applications that require high accuracy, low power consumption, and convenient data transfer to and from a device, such as remote sensing or medical imaging. It is a member of the AD7264B family, providing a wide range of features that make it suitable for a variety of data acquisition applications.

The AD7264B is designed for high-resolution data acquisition in demanding environments, such as remote sensing and medical imaging. It offers 8 channels, each with 12-bit resolution, providing a total of up to 96-bit resolution over the entire range of input. The attractive mix of features, including low power consumption and low latency, makes the AD7264B ideal for systems operating on limited power budgets and requiring real-time data acquisition.

The AD7264B is an ultra-low power device with a typical operating current of only 40µA. It is capable of operating at a low voltage supply range of 1.7V to 3.6V and can sample periodically or continuously at rates as low as 500nV/Hz. The device offers a variety of input, output and control features that makes it suitable for most applications. It offers a programmable gain amplifier (PGA), allowing up to 32x amplification of low-level analog signals, and an on-chip temperature sensor for temperature sensing. The device also features a number of different modes for adjusting the conversion rate, such as single-shot and continuous sampling modes.

In addition to its data acquisition capabilities, the AD7264B also has several output options, including a SPI-compatible interface and a 10-bit digital-to-analog converter. The SPI-compatible interface is used to transfer data from the device to an external microcontroller or processor. The digital-to-analog converter provides a programmable output voltage that is adjustable within the range of 0V to Vref, depending on the voltage reference. This enables applications such as low-voltage power supplies and current regulators.

The working principle of the AD7264B is quite simple but very efficient. The device is connected to an analog voltage input (VIN) and it samples the input periodically or continuously. The input signal is then amplified via an internal PGA and converted to a digital output. The digital output is then converted to an analog voltage output (VOUT) via an internal 10-bit digital-to-analog converter. The output is adjustable within the range of 0V to Vref, depending on the reference voltage applied internally. The device uses a single +3.3V supply and requires only 40µA of operating current.

The AD7264B can be used in a wide variety of applications that require high resolution, low-latency, low-cost data acquisition. It is an excellent choice for medical imaging and other applications such as industrial and remote sensing. In addition, its low power consumption, programmable gain amplifier, and wide range of input, output, and control features make it suitable for most data acquisition applications.

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