Maxim Integrated Multiplexer 4 CMOS Quad SPST 16-Pin SOIC MAX312ESE+

Maxim Integrated MAX312ESE+ is a high-performance multiplexer featuring 4 CMOS quad single-pole single-throw (SPST) analog switches packaged in a 16-pin SOIC format. It operates under a wide supply voltage range from +4.5V up to +30V using a single supply or dual supplies ranging from ±4.5V to ±20V, capable of rail-to-rail signal handling. The device provides low on-state resistance with a maximum of 15 ohms and ensures a matching resistance variance of 1.5 ohms or less across channels for consistent signal switching.

With a low leakage current of 2.5 nA at elevated temperatures of +85°C, this multiplexer maintains signal integrity for sensitive analog applications. The operating temperature range spans from -40°C to +85°C, allowing operation in demanding industrial and commercial environments. The device is RoHS compliant and designed for surface-mount technology with its compact 16-pin SOIC package dimensions of 10 mm length, 4 mm width, and 1.5 mm height.

Additional features include guaranteed electrostatic discharge (ESD) tolerance above 2000 volts and crosstalk greater than 96 dB at 20 kHz, supporting high-fidelity signal routing in audio, avionics, communication, data acquisition, PBX/PABX, sample-and-hold circuits, and test equipment applications. The MAX312 variant has normally closed switches, making it suitable for fail-safe designs requiring signal continuity in the default state.

Single-supply operation from +4.5V to +30V and dual-supply operation from ±4.5V to ±20V. Low typical on-resistance of 6.5 ohms with maximum 15 ohms resistance. Quad SPST analog switch configuration. Guaranteed on-resistance flatness and matching between channels.

High ESD tolerance greater than 2000 volts. Low leakage current ensuring minimal signal degradation. Compact 16-pin SOIC surface mount package. Wide operating temperature range from -40°C to 85°C. Ideal for professional industrial and commercial electronic equipment.

This multiplexer IC is widely used in electronic components for power and connectors, semiconductor logic IC designs requiring reliable and efficient signal multiplexing and demultiplexing. It supports multiplexing in communication systems, audio-signal routing, avionics, sample-and-hold circuits, and various test equipment applications.

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