ADG509ATQ/883B

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ADG509ATQ/883B is an integrated multiplexer/demultiplexer from Analogue Devices, Inc. It combines four analog switches, multiplexers and demultiplexers into one chip. The device is available in both standard and space-saving quad-channel packages. It provides an efficient and cost-effective solution for applications that require multiplexing or demultiplexing of signals of various types.

The analog switches of the ADG509ATQ/883B are designed to switch multiple signals with a wide dynamic range. It has high on-resistance and low off-capacitance characteristics, making it ideal for high-speed, low-power applications. In addition, the low channel-to-channel crosstalk makes it suitable for switching sensitive signals. The high off-leakage current makes it very reliable in harsh environmental conditions.

The ADG509ATQ/883B also features a low on-capacitance and low charge injection. This helps reduce propagation delay in multiplexing and demultiplexing applications. The high series resistance and low hot switching current make it suitable for power supply switching applications.

In terms of applications, the ADG509ATQ/883B can be used in telecom and data communications interconnects, industrial multiplexing, and peak test signal switching. It is also suitable for low voltage analog and digital signal switching and multiplexing in automotive, space and avionics.

The working principle of the ADG509ATQ/883B is surprisingly simple. It consists of two basic components, the multiplexer and the demultiplexer. The multiplexer combines multiple input signals into one signal, while the demultiplexer separates a single signal into multiple output signals. The multiplexer and demultiplexer are connected together using a logic control signal. When the logic control signal is asserted, the ADG509ATQ/883B will switch between the multiplexer or the demultiplexer.

The ADG509ATQ/883B has a typical device power supply voltage of 3.8V to 5V. The analog input and output range is guaranteed to stay within 1.5V and VDD minus 1.5V. The device supports logic control voltages as low as 0.3 x VDD. The typical switching time is 30ns, and the typical switch-on resistance is 10 ohms.

To sum up, the ADG509ATQ/883B is a versatile analog switch, multiplexer, and demultiplexer. Its combination of low on-resistance, low off-capacitance, and low channel-to-channel crosstalk make it ideal for switching sensitive signals. Its low on-capacitance and low charge injection make it suitable for multiplexing and demultiplexing applications. It can also be used for power supply switching applications. All in all, the ADG509ATQ/883B is an excellent choice for analog signal switching.

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