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ADG441BN

ADG441BN Description

The ADG441BN from Analog Devices Inc. is a high-performance, 4-channel SPST (Single-Pole Single-Throw) analog switch designed for precision signal routing in demanding applications. Housed in a 16-pin DIP package, this obsolete but robust component operates with ±15V dual or +12V single supply voltages, making it suitable for industrial and instrumentation systems. With an ultra-low leakage current of 500pA (max) and minimal charge injection (1pC), it ensures high signal integrity, critical in sensitive measurement circuits. Its low on-resistance (70Ω max) and fast switching speeds (110ns Ton, 60ns Toff) enable efficient signal multiplexing with minimal distortion.

ADG441BN Features

• Low Leakage & High Isolation: 500pA max off-state leakage and 4pF channel capacitance reduce signal bleed-through in high-impedance circuits.
• Fast Switching: 110ns/60ns (Ton/Toff) ensures rapid signal routing for time-critical applications.
• Low On-Resistance: 70Ω max minimizes voltage drop and power loss.
• Wide Supply Range: Supports ±15V dual or +12V single supply, offering flexibility in system design.
• Robust Packaging: Through-hole 16-DIP with MSL 1 (Unlimited) moisture sensitivity, ideal for prototyping or harsh environments.
• Low Charge Injection: 1pC preserves signal accuracy in sample-and-hold or data acquisition systems.

ADG441BN Applications

• Test & Measurement Equipment: Precision multiplexing in oscilloscopes or data loggers.
• Industrial Automation: Signal routing in PLCs or process control systems.
• Audio/Video Switching: Low-distortion signal paths in broadcast gear.
• Medical Instrumentation: High-accuracy switching for ECG or MRI systems.
• Battery-Powered Systems: Efficient signal management due to low power dissipation.

Conclusion of ADG441BN

The ADG441BN excels in applications demanding low noise, fast switching, and high signal fidelity. While obsolete, its low leakage, robust construction, and versatile supply options make it a reliable choice for legacy designs or systems requiring through-hole mounting. Engineers favor it for precision analog routing where performance outweighs modern surface-mount alternatives.