Texas Instruments

SN74HC4066DT  

Analog Switches, Multiplexers, Demultiplexers

SN74HC4066DT Description

The SN74HC4066DT is a high-performance, quad single-pole single-throw (SPST) analog switch designed by Texas Instruments. This device is part of the 74HC4066 family and is optimized for a wide range of applications requiring low on-state resistance and fast switching times. The SN74HC4066DT features a 14-pin SOIC package, making it suitable for surface-mount applications.

SN74HC4066DT Features

• Low On-State Resistance: The SN74HC4066DT offers a typical on-state resistance (R_on) of 30 ohms, ensuring minimal power loss and high efficiency in signal transmission.
• Fast Switching Times: With a turn-on time (T_on) of 31 ns and a turn-off time (T_off) of 34 ns, the SN74HC4066DT provides rapid switching capabilities, making it ideal for high-speed applications.
• Wide Operating Voltage Range: The device operates within a supply voltage range of 2V to 6V, offering flexibility in power supply requirements.
• Low Leakage Current: The maximum leakage current (I_S(off)) is 100 nA, ensuring minimal power consumption and signal degradation when the switch is off.
• Low Channel Capacitance: The SN74HC4066DT has a channel capacitance of 0.5 pF (C_S(off)) and 9 pF (C_D(off)), contributing to its high-frequency performance.
• High Bandwidth: The -3 dB bandwidth of 30 MHz supports high-frequency signal switching, making it suitable for a variety of analog and digital applications.
• Compliance and Reliability: The SN74HC4066DT is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met. It also has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited exposure to moisture.
• Packaging: The device is available in a tape and reel (TR) package, facilitating easy handling and automated assembly processes.

SN74HC4066DT Applications

The SN74HC4066DT is ideal for a variety of applications due to its high performance and versatility. Some specific use cases include:

• Signal Routing: Ideal for routing analog and digital signals in communication systems, test equipment, and signal processing circuits.
• Multiplexing and Demultiplexing: The device can be used in 1:1 multiplexer/demultiplexer circuits, simplifying signal management in complex systems.
• Audio and Video Switching: The low on-state resistance and high bandwidth make it suitable for switching audio and video signals in consumer electronics.
• Medical Equipment: The device's reliability and low leakage current make it suitable for medical applications where signal integrity and low power consumption are critical.
• Automotive Electronics: The wide operating voltage range and robust performance make it suitable for automotive applications where power supply variations are common.

Conclusion of SN74HC4066DT

The SN74HC4066DT from Texas Instruments is a versatile and high-performance analog switch that stands out due to its low on-state resistance, fast switching times, and wide operating voltage range. Its compliance with environmental and regulatory standards, along with its robust packaging, makes it a reliable choice for a variety of applications. Whether used in signal routing, multiplexing, or high-frequency signal switching, the SN74HC4066DT offers significant advantages over similar models, making it an excellent choice for engineers and designers in the electronics industry.

SN74HC4066DT Documents

Download datasheets and manufacturer documentation for SN74HC4066DT

Datasheets :

SN74HC4066      

PCN Obsolescence/ EOL :

OBS 21/Jun/2023      

HTML Datasheet :

SN74HC4066      

PCN Design/Specification :

Design 25/Feb/2022