Dg201cj cmos quad spst analog switch

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Discussion Overview

The discussion revolves around the function and theoretical understanding of the DG201 CMOS Quad SPST Analog Switch. Participants express a desire for explanations beyond the datasheet, focusing on the underlying principles and applications of the device.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • One participant requests an explanation of the DG201's function, specifically seeking theoretical insights rather than technical specifications.
  • Another participant describes the DG201 as a simple switch with four switches, indicating that a digital input controls the connection between switch terminals.
  • A different participant suggests searching for analog switch tutorials online, providing a link to a resource from Maxim as a potential aid.
  • Some participants acknowledge the complexity of the device, suggesting that it may not be as straightforward as initially implied.

Areas of Agreement / Disagreement

There is no consensus on the theoretical understanding of the DG201, with participants expressing differing levels of familiarity and complexity regarding the device.

Contextual Notes

Participants have not reached a shared understanding of the theoretical aspects of the DG201, and there are references to external resources that may or may not fully address the initial inquiry.

syee10
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Hi..anyone here can explain to me what is the function of this device DG201 CMOS QUAD SPST ANALOG SWITCH? I had search using google or yahoo search machine but still can't find any site explaining this device. So if you know what is it please tell me or paste the link for me here. I dun want the datasheet. What i want is the theory behind it. Thanks..
 
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It's a simple switch (the 201 has four switches). You supply a digital input to the IN pin, 3v close and 0v to open, which causes a connection between switch terminals S and D to close or open.

The data sheet is what you need to look at. It tells you the how it works and what applications it can be used for.
 
syee10 said:
Hi..anyone here can explain to me what is the function of this device DG201 CMOS QUAD SPST ANALOG SWITCH? I had search using google or yahoo search machine but still can't find any site explaining this device. So if you know what is it please tell me or paste the link for me here. I dun want the datasheet. What i want is the theory behind it. Thanks..

I googled analog switch tutorial, and got lots of good hits. You can do the same search, or you can read this hit from the list by Maxim:

http://www.maxim-ic.com/app-notes/index.mvp/id/638

.
 
dlgoff said:
Well, maybe not real simple. :blushing:

:smile:
 

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