CD74HC4053EG4

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Introduction

The CD74HC4053EG4 is an advanced, low-voltage, CMOS-based device that provides analog signal switching, multiplexing, and demultiplexing capabilities. It is normally found in a variety of consumer, industrial, and medical applications where a low-power CMOS device is required to switch or multiplex analog signals. It is also used for applications requiring high-level analog switches. The CD74HC4053EG4 is part of the CD74HC4053 family of devices.

Application field and Working Principle

Application Field

The CD74HC4053EG4 is used in a variety of consumer, industrial, and medical applications, such as:

• Receiving electrical signals from sensors and other types of devices
• Controlling the flow of arguments current
• Creating analog signal switching networks
• Maintaining an optimal voltage level in the system
• Controlling the power supply for different devices
• Regulating the power output of a device
• Creating audio and video signal switching networks

Working Principle

The CD74HC4053EG4 is a high-speed, low-voltage CMOS multiplexer/demultiplexer. It has four independent, selectable channels with three control inputs. The device consists of two switches (E1 and E2) and two multiplexers (M1 and M2). Each channel can be independently controlled by the three control inputs: E1, E2, and M1. E1 is used for connecting the first channel, M1 for connecting the second channel, and E2 is used for connecting the third and fourth multiplexer channels. The multiplexers and switches are connected in a series configuration. When a control input is asserted, the corresponding switch or multiplexer is activated, which allows the analog signal to pass through. The CD74HC4053EG4 also has a triac output that is used to control the current flow in the circuit.

Features and Specifications

The CD74HC4053EG4 offers a wide range of features and specifications that make it ideal for a variety of applications. Some of these features and specifications include:

• Low power consumption of 1.2mA
• TTL compatible inputs
• A bandwidth of 10MHz
• A maximum supply voltage of 5.5V
• No race conditions and glitch-free multiplexing capability
• A maximum switching current of 100mA (source and sink)
• A total on-resistance of 250Ω/channel
• A maximum off-resistance of 800Ω/channel
• A maximum isolation capacitance of 8pF/channel
• A maximum on-board capacitance of 10pF
• A maximum propagation delay of 1.5µs (10%-90%)
• An operating temperature range of -20°C to +70°C

Conclusion

The CD74HC4053EG4 is a useful device for switching and routing analog signals in a variety of consumer, industrial, and medical applications. With its low-power consumption, high-level analog switches, and fast switching times, the CD74HC4053EG4 provides an ideal solution for those applications.

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