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MM74HC4051SJX from FAIRCHILD,Fairchild Semiconductor

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MM74HC4051SJX

Manufacturer: FAIRCHILD, FAI Pb-free

8-Channel Analog Multiplexer

Partnumber Manufacturer Quantity Availability
MM74HC4051SJX FAIRCHILD, FAI Pb-free 4754 In Stock

Description and Introduction

8-Channel Analog Multiplexer **Enhance Your Circuit Designs with the MM74HC4051SJX Analog Multiplexer/Demultiplexer**  

The MM74HC4051SJX is a high-performance CMOS analog multiplexer/demultiplexer designed to streamline signal routing in a wide range of electronic applications. With its 8-channel architecture, this component provides exceptional flexibility, allowing designers to efficiently manage analog or digital signals with minimal distortion.  

Built using advanced silicon-gate CMOS technology, the MM74HC4051SJX offers low power consumption while maintaining high-speed operation—making it ideal for battery-powered devices and high-frequency systems. Its wide operating voltage range (2V to 10V) ensures compatibility with both TTL and CMOS logic levels, enhancing its versatility across different circuit designs.  

Key features include low ON resistance (typically 80Ω) and excellent signal integrity, ensuring minimal attenuation when switching between channels. The device also incorporates break-before-make switching, preventing signal overlap and reducing the risk of short circuits during transitions.  

Engineers will appreciate its robust design, which includes overvoltage protection on the control inputs, safeguarding the component against voltage spikes. The MM74HC4051SJX is available in a compact 16-pin SOIC package, making it suitable for space-constrained applications such as data acquisition systems, audio routing, and industrial automation.  

Whether used in test equipment, communication devices, or embedded systems, the MM74HC4051SJX delivers reliable performance with precision and efficiency. Its combination of low power, high speed, and signal integrity makes it an indispensable component for modern electronics.  

For designers seeking a dependable analog switch solution, the MM74HC4051SJX stands out as a top-tier choice, balancing performance and practicality in a single integrated circuit.

Application Scenarios & Design Considerations

8-Channel Analog Multiplexer

Alternative Part Number

  • CD74HC4051M96 --: Same 8-channel analog multiplexer/demultiplexer function in SOIC-16, pin-compatible with the Fairchild part and widely available.
  • MC74HC4051ADG --: Equivalent HC4051 analog multiplexer in SOIC-16 with matching pinout and electrical characteristics.
  • SN74HC4051DR --: Direct functional equivalent 8-channel analog mux/demux in SOIC-16, suitable drop-in replacement for the MM74HC4051SJX.
  • MC74HC4051ADTR2G --: Equivalent HC4051 analog multiplexer with similar electrical characteristics, Pb-free SOIC package, good second-source option.

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