MAX4939CTN+

On-State Resistance (Max):	--
Base Part Number:	MAX4939
Supplier Device Package:	56-TQFN (11x5)
Package / Case:	56-WFQFN Exposed Pad
Operating Temperature:	0°C ~ 70°C (TA)
Features:	--
-3db Bandwidth:	65MHz
Voltage - Supply, Dual (V±):	±2.7 V ~ 5.5 V
Voltage - Supply, Single (V+):	1.62 V ~ 5.5 V
Series:	--
Number of Channels:	8
Switch Circuit:	--
Multiplexer/Demultiplexer Circuit:	--
Applications:	Ultrasound
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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MAX4939CTN+ Application Field and Working Principle

MAX4939CTN+ is a special-purpose analog switch that is designed to provide highly reliable performance and durability in harsh environments. It is well-suited for use in a variety of applications that require very low power dissipation and low thermal resistance. In addition, it features two independently controllable channels, with an input range that can be scaled to fit the particular application.

Main Applications

The MAX4939CTN+ is suitable for use in a variety of industrial and consumer applications. It is particularly well-suited for applications such as automotive HVAC systems, water purification systems, factory automation, and medical equipment. Additionally, it can be used in audio-switching applications, as well as in a variety of communications and sensing systems.

How it Works

The MAX4939CTN+ is a bi-directional, dual-channel analog switch. It consists of two NMOS switches that are connected in parallel, so that each switch has two independent sets of inputs and outputs. Each switch can be independently controlled, with an input range that can be scaled to fit the application. Each switch is controlled by a separate control voltage. The voltage range is adjustable, so it can be tuned to fit the application requirements. When the switch is open, the input and output signals are routed through the switch. This results in minimal power dissipation and low thermal resistance. When the switch is closed, both channels are disconnected from the external circuitry, allowing for isolation between the input and output signals. This allows for reliable switching performance and protection from noise, spikes, and ground loops.

Conclusion

The MAX4939CTN+ is a special-purpose analog switch that is designed for applications requiring highly reliable performance, low power dissipation, and low thermal resistance. It is a versatile and cost-effective solution for a variety of applications, such as automotive HVAC systems, water purification systems, factory automation, audio-switching applications, and communications systems.

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