74HC4852D-Q100,118

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The 74HC4852D-Q100,118 belongs to the interface IC family, categorized as analog switches, multiplexers, demultiplexers. In this article, we\'ll look at its application fields, working principle and how to use it.

Application Field

The 74HC4852D-Q100,118 is an analog multiplexer/demultiplexer from NXP Semiconductor. It is an 8-channel device, with 4 channels configured as a multiplexer and 4 configured as a demultiplexer. It is ideal for applications such as selecting between two voltage references and selecting the output of two temperature sensing devices. It can also be used where inputs need to be routed to multiple outputs, or multiple inputs need to be routed to one output.

Working Principle

The 74HC4852D-Q100,118 operates off a single +5V power supply and has a low on-state resistance of 25Ω. Its data inputs (channel select lines) accept even TTL levels, though the lower two logic levels must not exceed 0.4V. It combines four separate basic analog switches, each with its own independent select control, into one package. Each switch consists of source, drain and select pins. The source pin is connected to a data input and the drain is connected to a data output. The select line will determine if a data connection is established between the source and drain. When the select line is ‘0’, the switch will be connected and a connection will be established. When the select line is ‘1’, the switch will be open and no connection will be established.

How to Use It

The 74HC4852D-Q100,118 is a great tool for routing different inputs to multiple outputs, or taking multiple inputs and routing them to a single output. As an example, let’s say there are two temperature sensors that need to be connected to an output. With the 74HC4852D-Q100,118, each of the temperature sensor’s outputs can be connected to the multiplexer’s inputs. Then, the multiplexer’s select line can be used to choose which one of the two temperature sensor’s outputs are connected to the output. This allows for easy switching between the two temperature sensors.

In addition, the 74HC4852D-Q100,118 can also be used to route one input to multiple outputs. As an example, let’s say there are two outputs that need to be connected to a single input. With the 74HC4852D-Q100,118, the input can be connected to the multiplexer’s inputs and the two outputs can be connected to the multiplexer’s outputs. Then, the demultiplexer’s select line can be used to choose which one of the two outputs are connected to the input.

The 74HC4852D-Q100,118 is a great tool for any application where multiple inputs need to be connected to one output, or one input need to be connected to multiple output. Its small size and low on-state resistance make it a great choice for interfacing and routing analog signals.

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