Texas Instruments

SN74HC4851D  

Analog Switches, Multiplexers, Demultiplexers

SN74HC4851D Description

The SN74HC4851D is an 8:1 multiplexer/demultiplexer interface IC chip designed by Texas Instruments. This device is optimized for high-speed switching and low power consumption, making it suitable for a wide range of electronic applications. It features an on-state resistance (R_on) of up to 195 ohms and a leakage current (I_S(off)) of a maximum 200 nA, ensuring efficient performance and minimal power loss. The SN74HC4851D operates within a supply voltage range of 2V to 6V, providing flexibility in power supply requirements. The device is housed in a surface-mount 16SOIC package, making it ideal for compact and space-constrained designs.

SN74HC4851D Features

• Multiplexer/Demultiplexer Circuit: 8:1 configuration allows for efficient signal routing and selection, reducing the number of required control lines.
• Low On-State Resistance: Max 195 ohms ensures minimal voltage drop and power dissipation, enhancing overall system efficiency.
• Low Leakage Current: Max 200 nA in the off state, contributing to reduced power consumption and improved reliability.
• Fast Switching: Switching times of 78 ns for both turn-on (T_on) and turn-off (T_off) ensure high-speed operation, suitable for demanding applications.
• Channel-to-Channel Matching: ΔR_on of 3 ohms guarantees consistent performance across all channels, reducing signal distortion.
• Channel Capacitance: CS(off) and CD(off) of 22 pF, ensuring stable and reliable operation at high frequencies.
• Wide Operating Voltage Range: 2V to 6V supply voltage range provides flexibility and compatibility with various power supply systems.
• Compliance and Reliability: REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory standards are met. Moisture Sensitivity Level (MSL) of 1 (unlimited) ensures robustness in manufacturing processes.

SN74HC4851D Applications

The SN74HC4851D is ideal for applications requiring efficient signal routing and selection, particularly in systems with limited control lines. Its low on-state resistance and fast switching times make it suitable for high-speed data transmission and signal processing. Specific use cases include:

• Data Communication Systems: Efficiently routes and selects data signals in high-speed communication interfaces.
• Digital Signal Processing: Provides reliable signal switching in DSP applications, ensuring minimal distortion and delay.
• Automotive Electronics: Ideal for automotive applications where compact design and high reliability are crucial.
• Industrial Control Systems: Enhances signal routing in industrial automation and control systems, improving overall system efficiency.
• Consumer Electronics: Used in various consumer devices where space and power consumption are critical factors.

Conclusion of SN74HC4851D

The SN74HC4851D from Texas Instruments is a versatile and high-performance 8:1 multiplexer/demultiplexer IC chip. Its low on-state resistance, fast switching times, and wide operating voltage range make it an excellent choice for a variety of applications. The device's compliance with environmental and regulatory standards ensures its suitability for modern electronic designs. Whether in data communication, digital signal processing, or consumer electronics, the SN74HC4851D offers reliable performance and significant advantages over similar models.

SN74HC4851D Documents

Download datasheets and manufacturer documentation for SN74HC4851D

Datasheets :

SN74HC4851      

PCN Obsolescence/ EOL :

EOL NOTICE 13/Jun/2023      

PCN Design/Specification :

Design 25/Feb/2022