DG412FDY+T

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The DG412FDY+T is a high-speed low-voltage MOSFET analog multiplexer, dual 8:1 multiplexer, and demultiplexer CMOS integrated circuit. It is designed for bidirectional data switching and time division multiplexing/demultiplexing applications in telecom, power, and industrial control equipment.

The DG412FDY+T has a low on-resistance of 3Ω when ON, making it ideal for high speed signal switching. It also has a low input capacitance of 6pF max, and a low power dissipation of 2mW. It operates from a single +3V to +5V power supply and has an operating temperature range from -55°C to +125°C.

The DG412FDY+T is a dual 8-to-1 multiplexer and demultiplexer device. It has eight TTL or CMOS logic compatible control lines that determine which of the eight inputs are routed to the output. Each data line allows up to 16mA of output current, which is suitable for driving LED displays, switches, and TTL circuits. The output of the device is enabled by a TTL or CMOS compatible Enable pin that is pulled low to enable the device. It has TTL compatible enable and disable logic, so it can be controlled by other logic levels.

The operating principle of the DG412FDY+T is based on an electrostatic field effect. When a voltage is applied to the gate of the device, the conductivity of the channel between the source and drain terminals is increased/decreased, depending on the polarity of the gate voltage. This creates an electric field that change the strength of the electric charge carriers in the channel. This enables the device to operate as a switch. The closer the gate terminal is brought to the source, the higher the on-resistance of the device, making it suitable for high-speed switching applications, or low-power switching applications.

The DG412FDY+T is used in a wide range of communication, power, and industrial control applications. It can be used as a multiplexer in telecom systems, such as switching telephone lines, and distributing call signals. It can also be used for multiplexing digital and analog signals in broadcast systems and for switching input and output data lines in computer systems. In addition, the multiplexer can be used to switch signals in power supplies and motor control systems. Finally, the device can be used as a demultiplexer to route a single input data line to multiple outputs.

In conclusion, the DG412FDY+T is a versatile device suitable for a wide range of applications. Its low on-resistance and low input capacitance make it ideal for high speed switching and low power applications. The device is TTL and CMOS logic compatible, making it easy to control and integrate in existing systems. It also has a wide operating temperature range of -55°C to +125°C, making it suitable for use in a variety of environments.

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