DG641DY

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The DG641DY is an integrated circuit (IC) from Analog Devices that contains four independent, single-pole/double-throw (SPDT) analog multiplexers or analog switches. This IC is a type of device known as a data selector/multiplexer and is used to route signals from multiple input sources to a single destination. It is the ideal choice for applications where switching between analog line levels normally done using a switch matrix is required. This device utilizes low-on-resistance (RON) and low “off” leakages. In addition, it has an extremely low crosstalk between channels, making it an ideal choice for digital-to-analog conversion and signal routing.

Application field

The DG641DY is used in a variety of applications, including audio signal processing, data acquisition systems, instrument control, and signal routing. It is also used in consumer electronics, such as televisions and radios, where signal routing between different audio components is required. Additionally, it finds application in industrial and automotive applications, where multiplexers are required to switch between analog signal sources.

Working principle

The DG641DY is a four-channel multiplexer that uses two bits of digital select signals to control the switching of the multiplexer output signals. The device consists of four data selectors, each of which is controlled by a separate set of select inputs. The select inputs are used to control the input channels that are switched to the output. The select inputs can be easily programmed to route the signals from any of the input sources to the output.

The multiplexer has two enable pins, which are connected together internally. This allows the multiplexer to be enabled or disabled by applying a logic low or high to both pins. When the multiplexer is enabled, the data selectors are allowed to switch the selected input sources to the output. The switching between the inputs is fast and glitch-free.

The DG641DY has very low RON and extremely low “off” leakages, making it an ideal choice for low voltage applications such as audio signal processing or DACs. It also has very low crosstalk between the channels, allowing it to be used in high performance systems.

Overall, the DG641DY is a versatile and high performance analog multiplexer that can be used in a wide variety of applications.

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