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MAX385CSE

MAX385CSE Description

The MAX385CSE is a high-performance, dual SPST (Single Pole, Single Throw) analog switch designed by Analog Devices Inc./Maxim Integrated. This IC is known for its excellent electrical characteristics and robust performance, making it suitable for a wide range of applications. The MAX385CSE features low on-state resistance (Ron) of up to 35 ohms, ensuring minimal signal attenuation and power loss. It operates within a wide supply voltage range, from ±3V to ±8V for dual supply and 3V to 15V for single supply, providing flexibility in various power configurations. The device also boasts low leakage current (IS(off)) of 200pA, which is crucial for maintaining signal integrity in low-power applications.

MAX385CSE Features

• Low On-State Resistance: With a maximum on-state resistance of 35 ohms, the MAX385CSE ensures efficient signal transmission and minimal power dissipation.
• Wide Operating Voltage Range: The device supports a dual supply voltage range of ±3V to ±8V and a single supply voltage range of 3V to 15V, offering versatility in power supply options.
• Low Leakage Current: The MAX385CSE has a maximum leakage current of 200pA, which helps in maintaining signal integrity and reducing power consumption in low-power applications.
• Channel-to-Channel Matching: The device offers excellent channel-to-channel matching with a ΔRon of 500mOhm, ensuring consistent performance across multiple channels.
• Low Charge Injection: With a charge injection of 2pC, the MAX385CSE minimizes transient effects on the signal, making it suitable for sensitive analog applications.
• Fast Switching Times: The MAX385CSE provides fast turn-on and turn-off times of 175ns and 100ns respectively, enabling rapid signal switching without significant delays.
• Surface Mount Packaging: The MAX385CSE is available in a surface mount package, making it ideal for compact and high-density PCB designs.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the device is suitable for various manufacturing processes without the need for special handling.
• Operating Temperature Range: The MAX385CSE operates within a temperature range of 0°C to 70°C, making it suitable for a wide range of environmental conditions.

MAX385CSE Applications

The MAX385CSE is ideal for applications requiring high-performance analog signal switching. Its low on-state resistance and low leakage current make it suitable for sensitive analog circuits, such as:

• Signal Routing: The MAX385CSE can be used in signal routing applications where multiple signals need to be selectively connected or disconnected.
• Audio Signal Processing: Its low on-state resistance and low leakage current make it suitable for audio applications where signal integrity is critical.
• Data Acquisition Systems: The device can be used in data acquisition systems to switch between different sensor inputs without significant signal degradation.
• Medical Equipment: The MAX385CSE's low charge injection and fast switching times make it suitable for medical equipment where signal accuracy and speed are crucial.
• Telecommunications: The device can be used in telecommunications equipment for signal switching and routing in various communication protocols.

Conclusion of MAX385CSE

The MAX385CSE is a versatile and high-performance analog switch that offers a combination of low on-state resistance, low leakage current, and fast switching times. Its wide operating voltage range and surface mount packaging make it suitable for a variety of applications, from signal routing to medical equipment. Despite being marked as obsolete, the MAX385CSE remains a reliable choice for engineers looking for a robust and efficient analog switch. Its unique features and performance benefits make it a standout option in the market, ensuring reliable operation in demanding environments.