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MAX338CPE

MAX338CPE Description

The MAX338CPE is an 8:1 multiplexer/demultiplexer integrated circuit (IC) designed by Analog Devices Inc./Maxim Integrated. This through-hole mounted device is housed in a tube package and is ideal for applications requiring high channel-to-channel matching and low on-state resistance. The MAX338CPE operates within a supply voltage range of ±4.5V to ±20V for dual supplies and 4.5V to 30V for single supplies. It features a maximum leakage current of 20pA, ensuring minimal power loss when the switch is off. The device also boasts a maximum on-state resistance of 400Ω, which is crucial for maintaining signal integrity and minimizing power dissipation.

MAX338CPE Features

• High Channel-to-Channel Matching: The MAX338CPE offers a channel-to-channel matching ofRon Δ = 4Ω, ensuring consistent performance across all channels. This feature is particularly beneficial in applications where signal uniformity is critical.
• Low Channel Capacitance: With channel capacitances of 3pF for CS(off) and 11pF for CD(off), the MAX338CPE minimizes signal distortion and ensures high-speed switching capabilities.
• Fast Switching Times: The device has a maximum switch time of 500ns for both turn-on (Ton) and turn-off (Toff) operations, making it suitable for high-speed signal routing.
• Low Charge Injection: The MAX338CPE exhibits a low charge injection of 1.5pC, which helps in maintaining signal integrity during switching operations.
• Wide Operating Temperature Range: The IC operates reliably within a temperature range of 0°C to 70°C (TA), making it suitable for a variety of industrial and commercial applications.
• Compliance and Status: The MAX338CPE is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards. However, it is important to note that this product is now obsolete, and users should consider alternative models for new designs.

MAX338CPE Applications

The MAX338CPE is well-suited for variety a of applications due to its high performance and reliability. Some specific use cases include:

• Data Acquisition Systems: The low on-state resistance and high channel matching make it ideal for routing analog signals in data acquisition systems, ensuring accurate and consistent signal transmission.
• Telecommunications: The fast switching times and low charge injection are beneficial in telecommunications applications where high-speed signal switching is required.
• Industrial Control Systems: The wide operating temperature range and robust performance make it suitable for industrial environments where reliability and durability are paramount.
• Medical Equipment: The low leakage current and high channel matching are critical for medical applications where precision and signal integrity are essential.

Conclusion of MAX338CPE

The MAX338CPE is a versatile and high-performance 8:1 multiplexer/demultiplexer IC that offers significant advantages over similar models. Its low on-state resistance, high channel-to-channel matching, and fast switching times make it ideal for a wide range of applications, from data acquisition systems to medical equipment. Despite its obsolescence, the MAX338CPE remains a reliable choice for existing designs and can be considered for legacy systems. For new projects, users should explore alternative models that offer similar or enhanced features.