DG418BDJ

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Analog switches, multiplexers, and demultiplexers are advanced electronic systems that help with frequently changing conditions such as input-output impedance and power consumption within a given device. The DG418BDJ is a high-performance dual 4-channel multiplexer/demultiplexer that combines low threshold, low propagation delay, and low RON (low on-resistance) with a high-voltage design that allows it to switch current levels up to 500mA, making it suitable for a wide range of application fields. In this article, we’ll take a look at those application fields and the working principle of the DG418BDJ.

DG418BDJ Application Fields

The DG418BDJ is designed to switch, route, or combine high voltages and current levels. It offers a maximum power dissipation of 1.44 W and an ultra-low RON of 3.5 Ω and is ideal for applications such as:

• Battery-powered devices.
• Automotive applications.
• Industrial control systems.
• Digital logic circuits.
• Audio receivers and amplifiers.

The chip is small, with only four pins and a low power consumption of 4.5 mA in standby mode, making it suitable for a variety of applications, both mobile and stationary, where power conservation is of paramount importance.

Working Principle of the DG418BDJ

The DG418BDJ is based on the dual 4-channel, low-on resistance switching substrate, which allows it to switch both voltages and currents. The substrate is the core of the device, enabling it to provide the low RON and high-voltage switching capabilities. It works by providing two 4-channel multiplexer/demultiplexer connected in an inverter arrangement. This enables the chip to switch high-voltage and current levels with a single control signal, providing a low error rate and improved performance.

The device has a wide range of operating parameters, such as a supply voltage of 3.3 V and a maximum output voltage of 30 V. It also has an internal power supply that is capable of powering external circuits, making it suitable for a wide range of applications. Finally, it allows for an adjustable rise time, which can be set to a minimum of 1.4 ns, making it fast and reliable for any given condition.

Conclusion

The DG418BDJ is a versatile and high-performance dual 4-channel multiplexer/demultiplexer that combines low threshold, low propagation delay, and low RON with a high-voltage design that allows it to switch current levels up to 500mA. Its wide range of operating parameters makes it suitable for a wide array of applications, ranging from battery-powered devices to industrial control systems, audio receivers and amplifiers, and digital logic circuits. Its low power consumption and adjustable rise time make it a reliable and fast choice for any given conditions.

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