The MAX309CSE+ is a high-performance, single-ended, 8-channel analog multiplexer from Maxim Integrated. It is designed to operate with a single +5V supply or dual ±15V supplies, making it versatile for various applications. This precision analog multiplexer is ideal for use in data acquisition systems, test equipment, and battery-powered instruments due to its low power consumption and broad voltage range.

Key Features

• Wide Voltage Range: The device can operate with a single supply voltage ranging from +4.5V to +30V, or a dual supply voltage from ±4.5V to ±20V.
• Low On-Resistance: With a typical on-resistance of 100 ohms, the MAX309CSE+ ensures minimal signal distortion and provides excellent linearity.
• Low Crosstalk and Off-Isolation: The device features low crosstalk between channels and high off-isolation, which is essential for maintaining signal integrity in multiplexed applications.
• Single 8-to-1 Multiplexer: The MAX309CSE+ can multiplex one of eight inputs to a single output, allowing for efficient channel selection in complex systems.
• Break-Before-Make Switching: This feature prevents momentary shorting when switching between channels, which is critical for protecting sensitive circuits.
• ESD Protection: The device includes ESD protection diodes on all pins to enhance its robustness against electrostatic discharges.
• Low Power Consumption: Designed for power-sensitive applications, the MAX309CSE+ offers a quiescent current of just 80µA, which is ideal for battery-operated devices.

Applications

The MAX309CSE+ is suited for a wide array of applications due to its flexibility and high performance. It is commonly used in:

• Data Acquisition Systems
• Audio/Video Signal Routing
• Industrial Process Control
• Instrumentation
• Communication Systems

Package and Quality

The MAX309CSE+ comes in a 16-pin narrow SO package, which is compact and suitable for space-constrained applications. It is also fully RoHS compliant, ensuring adherence to current environmental standards and regulations for electronic components.