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AD684AQ

AD684AQ Description

The AD684AQ from Analog Devices Inc. is a high-performance 4-channel sample-and-hold amplifier (SHA) IC designed for precision signal acquisition in demanding applications. Housed in a 16-pin CERDIP package, it operates over a wide supply voltage range of 21.6V to 26.4V, ensuring compatibility with industrial and instrumentation systems. With a -3dB bandwidth of 4MHz and a low input bias current of 100nA, it delivers exceptional signal fidelity and minimal distortion. The device consumes 18mA of supply current per channel and supports an output current of 5mA, making it suitable for driving low-impedance loads. Its ROHS3 compliance and REACH-unaffected status underscore its adherence to environmental standards.

AD684AQ Features

• Quad-channel SHA for simultaneous multi-signal processing.
• Low input bias current (100nA) minimizes loading effects on signal sources.
• 4MHz bandwidth ensures high-speed signal capture with minimal phase delay.
• Wide supply range (21.6V–26.4V) for flexible system integration.
• 5mA output current capability for robust load driving.
• Through-hole mounting (CERDIP) for reliable mechanical stability.
• MSL 1 (Unlimited) for extended shelf life and handling ease.
• EAR99/ECCN compliance for global exportability.

AD684AQ Applications

• Data acquisition systems requiring high-accuracy signal sampling.
• Industrial automation for real-time process control.
• Test and measurement equipment such as oscilloscopes and digitizers.
• Medical instrumentation where precision signal conditioning is critical.
• Defense and aerospace systems demanding rugged, high-performance SHAs.

Conclusion of AD684AQ

The AD684AQ stands out as a high-reliability, multi-channel SHA ideal for applications demanding precision, speed, and low noise. Its wide supply range, low bias current, and robust output drive make it superior to single-channel alternatives in multi-signal environments. Whether in industrial, medical, or aerospace systems, this IC delivers consistent performance, backed by Analog Devices' reputation for quality. Its compliance with environmental and export regulations further enhances its suitability for global deployments.