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DG418AK-E3

DG418AK-E3 Description

The DG418AK-E3 is a single-pole, single-throw (SPST) analog switch designed by Vishay Siliconix, a leading manufacturer of high-performance semiconductor devices. This through-hole mounted IC is housed in a 8-pin CERDIP package, making it suitable for a variety of applications requiring robust and reliable switching capabilities. Despite its obsolete status, the DG418AK-E3 remains a valuable component due to its exceptional performance characteristics and compliance with industry standards such as REACH and ROHS3.

DG418AK-E3 Features

The DG418AK-E3 boasts several key technical specifications that set it apart from similar models:

• Low Leakage Current: With a maximum leakage current (IS(off)) of 250pA, the DG418AK-E3 ensures minimal power loss and signal degradation when the switch is off.
• Wide Supply Voltage Range: Supporting dual supply voltages of ±15V and a single supply voltage of 12V, this IC is versatile and can be used in a variety of power supply configurations.
• Low On-State Resistance: The maximum on-state resistance (Ron) of 35Ω ensures minimal voltage drop and power dissipation when the switch is on, making it ideal for low-power applications.
• Low Channel Capacitance: Both the source-to-drain (CD(off)) and source-to-gate (CS(off)) capacitances are rated at 8pF, minimizing signal distortion and ensuring high-speed performance.
• Minimal Charge Injection: With a charge injection of 60pC, the DG418AK-E3 maintains signal integrity during switching, crucial for sensitive analog applications.
• Fast Switching Times: The switch times (Ton and Toff) are a maximum of 175ns and 145ns, respectively, enabling rapid switching without compromising signal quality.
• Moisture Sensitivity Level: Rated at MSL 1 (Unlimited), the DG418AK-E3 is suitable for use in environments with varying humidity levels without the need for special handling.
• Compliance and Packaging: The DG418AK-E3 is REACH unaffected and ROHS3 compliant, ensuring it meets stringent environmental and safety standards. It is packaged in a tube format, facilitating easy handling and storage.

DG418AK-E3 Applications

The DG418AK-E3 is ideal for a range of applications due to its robust performance and versatile specifications:

• Signal Routing: Its low on-state resistance and minimal charge injection make it suitable for routing analog signals in various electronic systems, ensuring signal integrity and minimal distortion.
• Audio Applications: The low leakage current and channel capacitance make it ideal for audio signal switching, where maintaining signal purity is critical.
• Medical Equipment: The fast switching times and compliance with industry standards make it suitable for medical devices requiring reliable and precise signal switching.
• Industrial Control Systems: The wide supply voltage range and robust packaging make it ideal for industrial applications where reliability and durability are paramount.

Conclusion of DG418AK-E3

Despite being marked as obsolete, the DG418AK-E3 remains a highly capable analog switch with a range of features that make it suitable for various applications. Its low leakage current, wide supply voltage range, and minimal charge injection ensure high performance and signal integrity. The DG418AK-E3 is particularly well-suited for applications requiring reliable signal switching, such as audio systems, medical equipment, and industrial control systems. Its compliance with REACH and ROHS3 standards further enhances its appeal for environmentally conscious designers. For those seeking a robust and reliable analog switch, the DG418AK-E3 is a strong contender, offering a balance of performance and versatility.