DG406DW-E3

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DG406DW-E3 Application Field and Working Principle

The DG406DW-E3 is a four-channel analog multiplexer/demultiplexer with a 3-state switch network housed in a single package. This component is ideal for implementing a wide variety of signal-switching and logic functions. The package contains four independently controlled switches with a common shutoff switch.

The special features of the DG406DW-E3 include low on-resistance (8.0 ohms maximum), low off-resistance (2.5 ohms maximum), excellent signal-handling characteristics (up to 10mA peak current capability), low input capacitance (2.0pF nominal), and extreme temperature stability. The unit is also fully pin- and functionally-compatible with most industry devices.

Application Field

This component is well suited for applications in communications, industrial control, automotive systems, and instrumentation. A few examples of devices it can be used in are:

• Data acquisition systems
• Audio switching
• Power over Ethernet (PoE) systems
• MHz switching applications
• Telecommunications equipment
• GPIO expansion
• Video switching

Working Principle

The DG406DW-E3 is a multiplexer/demultiplexer with a common shutoff switch. It is designed to switch one of four inputs (or one of four outputs) to a single output (or single input) path at any given time. Each channel has an enable input that controls the on/off state of the switch. When the enable is set to logic high, the switch is on. When the enable is set to logic low, the switch is off.

The shutoff switch is used to disable all four channels of the unit at the same time. When the shutoff is set to logic low, all four channels are off. When the shutoff is set to logic high, all four channels can be independently controlled by their enable inputs.

The DG406DW-E3 also has an error flag pin that indicates if a channel has been switched on when the shutoff is set to logic low. When the flag goes high, it indicates that one of the switches is on and an error condition has occurred. The flag is reset by setting the shutoff to logic high.

The DG406DW-E3 is a highly reliable analog switch that provides an excellent solution for high-performance signal-switching and logic functions. It offers a low on-resistance and low off-resistance, providing excellent signal-handling characteristics. Additionally, it provides extreme temperature stability and is fully pin- and functionally-compatible with most industry standard devices.

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