ON Semiconductor MC74HC4851A Analog Multiplexer/Demultiplexer

The MC74HC4851A device from ON Semiconductor is a high-performance, single 8-channel analog multiplexer/demultiplexer with a wide range of applications in analog signal switching. This integrated circuit is designed to operate with an extended voltage range of 2V to 6V, making it suitable for battery-operated devices and systems with varying power supply levels.

The MC74HC4851A features a low ON resistance and a low OFF leakage current, ensuring minimal signal distortion and high integrity. Its bidirectional switches allow for versatile routing of analog signals from the common output/input to any of the eight channels, or vice versa, making it an excellent choice for complex signal routing tasks in a compact form factor.

With its high noise immunity characteristic of CMOS technology, the MC74HC4851A provides a robust solution for analog signal management. The device's digital select inputs are compatible with standard CMOS outputs, and with the proper use of pull-up or pull-down resistors, they can be interfaced with LSTTL or TTL logic levels as well.

Key features of the MC74HC4851A include:

• Low ON resistance: 70 Ω (typical) at V<sub>CC - V<sub>EE = 4.5V
• Low crosstalk between switches
• Fast switching and propagation speeds
• Break-before-make switching action
• Wide analog input voltage range: -5V to V<sub>CC - 0.5V
• Low quiescent current: 80 nA (typical) at 25°C
• ESD protection: HBM > 2000V; MM > 200V

The MC74HC4851A is commonly used in a variety of applications, including signal gating, multiplexing, and demultiplexing, data acquisition systems, communication systems, and audio/video signal routing. Its robust design and reliable performance make it a preferred choice for designers looking for a multiplexer/demultiplexer that can handle both digital and analog signals efficiently.

ON Semiconductor's commitment to quality ensures that the MC74HC4851A meets stringent industry standards, providing a reliable and durable solution for your electronic designs.