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DG202BAK-E3

DG202BAK-E3 Description

The DG202BAK-E3 is a high-performance analog switch designed by Vishay Siliconix, featuring four single-pole, single-throw (SPST) switches in a through-hole 16-lead CERDIP package. This device is ideal for applications requiring low on-state resistance, precise channel matching, and minimal charge injection. Despite being marked as obsolete, the DG202BAK-E3 remains a robust choice for legacy systems and specific applications where its unique features are advantageous.

DG202BAK-E3 Features

• Low Leakage Current: The DG202BAK-E3 boasts a maximum leakage current of 500 pA, ensuring minimal power loss and high reliability in low-power applications.
• Wide Supply Voltage Range: With a dual supply voltage range of ±4.5V to ±22V and a single supply range of 4.5V to 25V, this analog switch is highly versatile and suitable for a variety of power supply configurations.
• Channel-to-Channel Matching: The device offers a channel-to-channel matching of 2Ω, which is crucial for applications requiring high precision and consistency across multiple channels.
• Low On-State Resistance: The maximum on-state resistance (Ron) is 85Ω, ensuring efficient signal transmission with minimal power dissipation.
• Low Charge Injection: The DG202BAK-E3 has a charge injection of only 1 pC, making it suitable for sensitive analog signal processing where signal integrity is paramount.
• Fast Switching Times: The switch time for turn-on (Ton) is a maximum of 300 ns, and for turn-off (Toff) is a maximum of 200 ns, enabling rapid signal switching and high-speed operation.
• Compliance and Packaging: The device is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability. It is packaged in a tube, which is ideal for through-hole mounting and easy integration into existing systems.

DG202BAK-E3 Applications

The DG202BAK-E3 is well-suited for a variety of applications, including:

• Analog Signal Routing: Ideal for routing analog signals in test and measurement equipment, medical devices, and industrial control systems.
• Multiplexing and Demultiplexing: The 1:1 multiplexer/demultiplexer circuit design makes it perfect for applications requiring signal selection and distribution.
• Audio Signal Processing: The low on-state resistance and minimal charge injection ensure high-fidelity audio signal transmission, making it suitable for audio mixing consoles and professional audio equipment.
• Data Acquisition Systems: The device's fast switching times and low leakage current make it ideal for high-speed data acquisition systems where signal integrity is critical.

Conclusion of DG202BAK-E3

The DG202BAK-E3 is a versatile and reliable analog switch that offers a combination of low leakage current, wide supply voltage range, and low on-state resistance. Its precise channel matching and minimal charge injection make it a standout choice for applications requiring high precision and signal integrity. Although marked as obsolete, the DG202BAK-E3 remains a valuable component for legacy systems and specific applications where its unique features provide significant advantages. For engineers and designers seeking a robust and reliable analog switch, the DG202BAK-E3 is a worthy consideration.