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The MAX4639EUE+T is a high-speed, low-voltage, single-supply CMOS analog multiplexer (MUX) manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

Specifications:

• Supply Voltage Range: +1.8V to +5.5V
• On-Resistance (RON): 4Ω (typical at +4.5V supply)
• On-Resistance Flatness: 0.5Ω (typical)
• Charge Injection: 5pC (typical)
• Bandwidth (-3dB): 200MHz (typical)
• Switching Time (tON/tOFF): 25ns/20ns (typical)
• Leakage Current (OFF): 1nA (typical at +25°C)
• Operating Temperature Range: -40°C to +85°C
• Package: 16-TSSOP

Descriptions:

• The MAX4639EUE+T is a single 8-channel (or dual 4-channel) analog multiplexer designed for high-speed signal switching.
• It is optimized for low-voltage operation, making it suitable for battery-powered and portable applications.
• The device offers low on-resistance and minimal signal distortion, ensuring high signal integrity.

Features:

• Low Voltage Operation: Works down to +1.8V.
• Low On-Resistance: 4Ω typical for minimal signal attenuation.
• High Bandwidth: 200MHz for high-frequency applications.
• Fast Switching: 25ns turn-on and 20ns turn-off times.
• Low Charge Injection: Reduces glitches during switching.
• Break-Before-Make Switching: Prevents signal overlap.
• TTL/CMOS-Compatible Logic Inputs: Ensures easy interfacing with digital circuits.
• ESD Protection: ±15kV Human Body Model (HBM) for robustness.

This device is commonly used in data acquisition systems, audio/video switching, communication systems, and test equipment.

(Note: Always refer to the latest datasheet for updated specifications.)