MM74HC4052M

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The MM74HC4052M is an analog switch and multiplexer (DEMUX) integrated circuit from Fairchild Semiconductor and belongs to the HC4000 series. It is identified as being a two-channel multiplexer with a signal-controlled switch. It is capable of either connecting or disconnecting two signal sources depending on the state of the control signal. This semiconductor type as well as other devices from the same series are typically used in applications involving analog and digital signal switching, signal routing and data communication.

Application Field

The MM74HC4052M analog switch and multiplexer (DEMUX) is commonly used in applications ranging from signal or data switching, multiplexing and switching of data or analog signals, signal routing, and analog data communication. Furthermore, the device can be employed in various other applications where high-speed switching is required. Some examples of where this device can be used include:

• Mixed-signal (analog and digital) systems
• Recording and playback systems (high-speed analog signal switching)
• Vehicle multimedia systems
• Digital and analog signal multiplexing
• Consumer products such as televisions, microwaves, optical communication systems and cameras
• Data communication systems
• Scientific instruments
• Wireless communications

Working Principle

The MM74HC4052M analog switch and multiplexer (DEMUX) consists of two independent single-pole, double throw (SPDT) switches arranged in four sections, two for each control input. Each switch can be independently activated by applying a control voltage to either of the two control voltage inputs. A low input voltage level activates the switch and a high input voltage level deactivates the switch. When CB and CA are both low, both switches are activated. When CB and CA are both high, both switches deactivate. Hence, the multiplexer can be used to selectively connect or disconnect two signal sources. The device has a symmetrical switching behavior, thus eliminating any risk of pins remaining active when the switch is not activated.

The MM74HC4052M integrates two switches which can connect or disconnect two signal sources. Each switch carries an on-state resistance of 30 ohms and an off-state resistance of 250 kilohms. When both switches are on, the on-state resistance is 18 ohms. The device has a typical rise time of 0.8 nanoseconds and a typical propagation delay time of 5.2 nanoseconds. It also has low capacitors which facilitates high-speed switching. The device is designed for single-ended input/output which can swing from as low as 0.5V below the negative power supply voltage to as high as 3.6V above the positive power supply voltage.

The MM74HC4052M analog switch and multiplexer (DEMUX) operates from a single power supply from 1.65 volts (V) to 5.5 volts (V). The operating temperature ranges from -55 degrees Celsius (-55°C) to a maximum of 125 degrees Celsius (125°C). The device complies with the Environmental Protection Agency (EPA)’s RoHS standards and is compatible with 3500-V ESD protection requirements.

Conclusion

The MM74HC4052M analog switch and multiplexer (DEMUX) from Fairchild Semiconductor is a high-speed switch and multiplexer integrated circuit. It is used in applications where high-speed switching is required, such as in recording and playback systems, consumer products, data communication systems, scientific instruments and wireless communication systems. The device is designed for single-ended input/output and its typical rise time is 0.8 nanoseconds and typical propagation delay time is 5.2 nanoseconds. It is compliant with EPA’s RoHS standards and it is also compatible with 3500-V ESD protection requirements.

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