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AD7679ASTZ

AD7679ASTZ Description

The AD7679ASTZ from Analog Devices Inc. is a high-performance 18-bit SAR (Successive Approximation Register) ADC designed for precision data acquisition systems. Housed in a 48-pin LQFP package, it delivers 570k samples per second (SPS) with differential input capability, ensuring high accuracy in noisy environments. The device operates with dual 5V analog and digital supplies, supporting both external and internal reference options for flexibility in system design. Part of the PulSAR® series, it features a 1:1 sample-and-hold (S/H) to ADC ratio, minimizing signal distortion. Its SPI, parallel, and DSP-compatible interfaces enable seamless integration with microcontrollers and FPGAs.

AD7679ASTZ Features

• 18-bit resolution with 570kSPS throughput for high-speed, high-precision measurements.
• Differential input reduces common-mode noise, ideal for industrial environments.
• Dual 5V supply (analog and digital) simplifies power architecture.
• Flexible data interfaces: SPI, parallel, and DSP-compatible for versatile system integration.
• External/internal reference options enhance design adaptability.
• RoHS3 compliant and REACH unaffected, meeting environmental standards.
• 3 (168 hours) MSL rating ensures reliability in moisture-sensitive applications.

AD7679ASTZ Applications

The AD7679ASTZ excels in applications demanding high resolution and speed, such as:

• Medical instrumentation: Patient monitoring, MRI systems.
• Industrial automation: PLCs, motor control, precision sensors.
• Test and measurement: Data loggers, spectrum analyzers.
• Communications: Baseband signal processing, software-defined radios.
• Energy systems: Power quality analyzers, smart grid monitoring.

Conclusion of AD7679ASTZ

The AD7679ASTZ stands out as a high-accuracy, high-speed 18-bit ADC with robust noise immunity and flexible interfacing. Its differential input, dual-reference capability, and industry-standard compliance make it a top choice for mission-critical systems requiring reliable performance. Whether in medical, industrial, or communications applications, this ADC delivers precision and versatility, backed by Analog Devices' proven PulSAR® technology.