ADG821BRMZ

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Analog multiplexers and demultiplexers are a class of electronic integrated circuits (ICs) that utilize analog switches and multiplexers to select or switch between a number of inputs to certain outputs, based on operation control signals. The ADG821BRMZ is an example of an analog multiplexer/demultiplexer. It is a dual single-pole/dual-throw (SPDT) switch IC that can be used for audio and video applications.

The ADG821BRMZ is capable of handling the switching of signals from 1.8V to 5.5V, with a maximum operating current of 250mA and a maximum operating voltage of 16V. It is also designed to deal with up to 25Mbps data rate in both 3.3V and 5.0V applications. It comes in a small 8-pin TSSOP (Thin Shrink Small Outline Package) package and uses an exceptionally low power consumption of around 0.1mA.

On the electronic design level, the ADG821BRMZ analog multiplexer/demultiplexer contains two full SPDT switching circuits, each of which has its own switch control inputs and individually controlled switch output. The connection diagram below illustrates how the dual multiplexers are used to select between two switch outputs and two switch inputs depending on the logic control signal.

The analog multiplexer/demultiplexer also has two logic control pins, EN1 and EN2, which are used to control the switch state of the switches. When an input logic HIGH is applied to each of the EN pins, the associated switch output is connected to its associated switch input and is enabled. When a logic LOW input is applied to each of the EN pins, the associated switch output is disconnected from its associated switch input and the switch is disabled. This allows for turning a single output or output pair on or off without affecting the other output or output pair.

The ADG821BRMZ can be used in a variety of applications due to its low power consumption and wide operating voltage range. The versatile design can be used for applications such as audio switching, packet switching, and analog switching. Furthermore, the ADG821BRMZ can be used for a multitude of other uses such as digital video switching, power management, automotive applications, precision measurement and control, and as part of a control system.

In summary, the ADG821BRMZ analog multiplexer/demultiplexer is a dual single-pole/dual-throw (SPDT) switch IC that is capable of handling signals from 1.8V to 5.5V with a maximum operating current of 250mA and a maximum operating voltage of 16V. Due to its low power consumption and wide operating voltage range, the versatile design can be used in a variety of applications such as audio switching, packet switching, and analog switching. Additionally, it can also be used for digital video switching, power management, automotive applications, precision measurement and control, and as part of a control system.

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