AD9284BCPZRL7-250

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Data Acquisition - Analog to Digital Converters (ADC) play an important role in the field of applied electronics. In particular, the AD9284BCPZRL7-250, an Octal AD Converter, is designed to provide improved performance, excellent accuracy and low latency in demanding applications. The AD9284BCPZRL7-250 is a high-speed, low-cost, 8-channel, octal-decimating analog-to-digital converter, suitable for a variety of Analog-to-Digital (A/D) data acquisition and signal processing applications.

Features

The AD9284BCPZRL7-250 offers a number of unique and desirable features,such as:

• Up to 8-channel data acquisition and signal processing
• High-speed operation up to 4.2MSPS per channel
• Low-Power Consumption (2.48mW/channel)
• High accuracy: 18-bit resolution with ±1.5LSB maximum INL and ±1LSB maximum DNL
• Wide supply range: 1.8V to 3.3V
• User-selectable output data formats
• Green-mode data collection
• Differential or single-ended ADC input
• Serial peripheral interface (SPI) bus control

Application Fields

The AD9284BCPZRL7-250 is well-suited for numerous applications, commonly found in communications, industrial, automotive, medical and consumer markets. Examples include:

• Portable ultrasound imaging
• Smart home and healthcare monitoring
• Power line communications
• Industrial automation process control
• Medical imaging
• Security systems
• Automobile audio systems
• Digital video cameras
• Power measurement and monitoring
• Telemetry
• Test and measurement

Working Principle

The AD9284BCPZRL7-250 is a high-speed analog-to-digital converter. Its operation is based on the charge redistribution method. This method works by measuring the amount of charge transfer between two adjoining capacitor structures as an analog signal is applied to the input. When the measured charge exceeds a certain threshold, the analog-to-digital process is completed. The AD9284BCPZRL7-250 then performs the necessary data conversion and produces a digital output.

The AD9284BCPZRL7-250 is designed to be used in high-speed applications. This is achieved by incorporating features such as fast settling times and low latency, as well as a user-selectable output data format. The serial peripheral interface (SPI) bus control allows the user to easily configure the AD9284BCPZRL7-250 for their desired application. Additionally, the AD9284BCPZRL7-250 includes low-power mode and green-mode data collection to reduce the power consumption of the A/D converter.

Conclusion

The AD9284BCPZRL7-250 is an 8-channel, octal-decimating analog-to-digital converter specifically designed for data acquisition applications. Its features include high-speed operation, excellent accuracy and low latency, as well as a low-power mode and user-selectable output data formats. It is suitable for a variety of data acquisition and signal processing applications, such as portable ultrasound imaging, medical imaging, security systems, telemetry and industrial automation process control. The AD9284BCPZRL7-250 uses the charge redistribution method of data conversion, which relies on measuring the amount of charge transfer between two adjoining capacitor structures as an analog signal is applied to the input.

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