DG441LDQ-E3

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The DG441LDQ-E3 is a monolithic CMOS analog switch that is part of the DG400A/DG441A series of Analog Switches, Multiplexers, Demultiplexers. It is designed to be used in non-critical general purpose switching applications, as well as high frequency analog applications.

The DG441LDQ-E3 is a single on-off type analog switch that can be used for controlling the output of various types of signals including voltage, current, logic, and audio. It is configured with a single control input and provides a single output. The device employs a positive logic design, wherein the logic 0 produces an “on” condition, while the logic 1 results in an “off” state. The switch has a three quadrant linear transfer characteristics which allows switching between two support zones. This switch is suitable for use with both AC and DC signals.

The DG441LDQ-E3 can be used to replace two single pole double throw switches in applications where space considerations would be an issue. It has an on-resistance of typically 1.2 Ω maximum, and a breakdown voltage of typically 28 V. This device requires a supply voltage of between 4.5 to 5.5 V. It has very low input leakage of typically 10 nA maximum, and fast switching times of typically 5 ns. The device also has a total harmonic distortion of 0.01 % at 20 KHz, making it suitable for demanding audio applications.

This device can be used in a variety of applications, such as in audio routing and mixing, power switching, security and monitoring systems, fast logic control and communication interface, and instrumentation systems. They are also used in data converters and digital testing and evaluation systems.

In summary, the DG441LDQ-E3 is a single on-off type analog switch, which takes advantage of its three quadrant linear transfer characteristics to switch between two support zones. Its low on-resistance and fast switching times make it suitable for a variety of applications. Its positive logic design and low input leakage also make it an ideal choice for high frequency and audio applications.

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