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ADG444ABR

ADG444ABR Description

The ADG444ABR is a single-pole, single-throw (SPST) switch designed by Analog Devices Inc., a leading manufacturer of interface IC chips. This obsolete product offers a unique combination of low on-state resistance, low leakage current, and fast switching times, making it suitable for a variety of applications requiring high performance and reliability. The ADG444ABR is housed in a surface-mount 16SOIC package, ensuring ease of integration into modern electronic designs. It operates with a dual supply voltage of ±15V or a single supply voltage of 12V, providing flexibility in power supply options.

ADG444ABR Features

• Low On-State Resistance: The ADG444ABR boasts a maximum on-state resistance of 70 ohms, ensuring minimal power loss and high efficiency in signal transmission.
• Low Leakage Current: With a maximum leakage current of 500 pA, the ADG444ABR maintains signal integrity even in low-power applications.
• Fast Switching Times: The switch time for the ADG444ABR is a maximum of 110 ns for turn-on and 60 ns for turn-off, facilitating rapid signal switching without compromising performance.
• Low Charge Injection: The ADG444ABR exhibits a charge injection of only 1 pC, minimizing transient disturbances and ensuring clean signal switching.
• Low Channel Capacitance: Both the source-to-drain (CS(off)) and drain-to-source (CD(off)) capacitances are rated at 4 pF, reducing signal distortion and improving overall system performance.
• Multiplexer/Demultiplexer Circuit: The ADG444ABR features a 1:1 multiplexer/demultiplexer circuit, enabling efficient signal routing and control.
• Moisture Sensitivity Level: The ADG444ABR has an MSL rating of 1 (Unlimited), indicating high resistance to moisture and suitability for a wide range of environmental conditions.
• Package and Mounting: The ADG444ABR is available in a tube package and is designed for surface-mount applications, ensuring easy integration into compact and high-density designs.

ADG444ABR Applications

The ADG444ABR is ideal for applications requiring high-performance signal switching and routing. Its low on-state resistance and fast switching times make it suitable for use in:

• Data Acquisition Systems: Where precise and rapid signal switching is necessary to ensure accurate data capture and processing.
• Automotive Electronics: For applications requiring reliable and efficient signal routing in harsh environmental conditions.
• Telecommunications: In systems where low signal distortion and fast switching are critical for maintaining high-quality communication.
• Industrial Automation: For controlling and switching signals in various industrial processes, ensuring robust and reliable operation.

Conclusion of ADG444ABR

The ADG444ABR from Analog Devices Inc. stands out in the market due to its superior technical specifications and performance benefits. Its low on-state resistance, low leakage current, and fast switching times make it an excellent choice for applications requiring high efficiency and reliability. Despite being obsolete, the ADG444ABR remains a valuable component for engineers and designers seeking a high-performance SPST switch. Its low charge injection and low channel capacitance further enhance its suitability for applications where signal integrity is paramount. For those looking to integrate the ADG444ABR into their designs, its surface-mount package and dual supply voltage options provide additional flexibility and ease of use.