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AD790SQ

AD790SQ Description

The AD790SQ from Analog Devices Inc. is a high-performance, single-channel comparator with latch functionality, designed for precision applications requiring fast response and robust performance. Housed in an 8-pin CERDIP package, this device operates over a wide supply voltage range of 4.5V to 7V (single) or ±2.25V to ±16.5V (dual), making it versatile for both single and split-supply configurations. With a propagation delay of just 50ns (max) and 500µV hysteresis, the AD790SQ ensures rapid, stable switching even in noisy environments. Its CMOS/TTL-compatible outputs simplify interfacing with modern digital systems, while the integrated latch enables precise timing control.

AD790SQ Features

• High CMRR/PSRR: 95dB CMRR and 90dB PSRR minimize noise and power supply variations.
• Low Input Offset: 1.5mV (max) @ 5V ensures accuracy in precision circuits.
• Low Bias Current: 5µA (max) @ 5V reduces loading effects on signal sources.
• Wide Supply Range: Supports ±2.25V to ±16.5V (dual) or 4.5V to 7V (single).
• Robust Packaging: CERDIP offers reliability in harsh environments.
• Latch Functionality: Enables synchronized output control for timing-critical applications.
• Low Quiescent Current: 10mA (max) for power-sensitive designs.

AD790SQ Applications

The AD790SQ excels in applications demanding high-speed, precision signal comparison:

• Industrial Control Systems: Fast response for overvoltage/undervoltage detection.
• Test & Measurement Equipment: Accurate threshold detection in oscilloscopes or data loggers.
• Automotive Electronics: Robust performance in engine control or battery monitoring.
• Communications: Signal conditioning in high-speed data links.
• Medical Devices: Reliable operation in diagnostic equipment.

Conclusion of AD790SQ

The AD790SQ stands out for its speed, precision, and versatility, combining low offset, hysteresis, and latch control in a rugged package. Its wide supply range and low power consumption make it ideal for both industrial and portable applications. For engineers seeking a high-reliability comparator with minimal noise susceptibility, the AD790SQ delivers superior performance in demanding environments.