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university:tools:m1k:analog-mux [25 Mar 2016 18:15] – ↷ Links adapted because of a move operation Robin Getzuniversity:tools:m1k:analog-mux [19 Aug 2016 20:17] – add 74HC4051 based bob Doug Mercer
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 <WRAP centeralign>Figure 4 Breadboard adapter with analog MUX and input attenuators</WRAP> <WRAP centeralign>Figure 4 Breadboard adapter with analog MUX and input attenuators</WRAP>
  
-There are other analog multiplexer configurations in the generic CD4XXX series of CMOS ICs. The CD4051 is a single 8:1 mux and the CD4067 is a single 16:1 mux. The old Motorola MC14529B analog selector can be a configured as a dual 4-channel or single 8-channel device depending on how the input controls are used. By using 3 or all 4 of the digital PIO bits and two of these single multiplexers either 16 or even 32 signal channels could be measured. This [[https://www.sparkfun.com/products/9056|16:1 mux breakout board]] available from SparkFun is based on the CD74HC4067 and works well with the ALM1000.+There are other analog multiplexer configurations in the generic CD4XXX series of CMOS ICs. The CD4051 is a single 8:1 mux and the CD4067 is a single 16:1 mux. The old Motorola MC14529B analog selector can be a configured as a dual 4-channel or single 8-channel device depending on how the input controls are used. By using 3 or all 4 of the digital PIO bits and two of these single multiplexers either 16 or even 32 signal channels could be measured. These two mux breakout boards are available from SparkFun, the [[https://www.sparkfun.com/products/9056|74HC4067 16:1 mux]] and the [[https://www.sparkfun.com/products/13906|74HC4051 8:1 mux]]. Either works well with the ALM1000.
  
 Another functionally similar option is the [[http://www.analog.com/media/en/technical-documentation/data-sheets/ADG608_609.pdf|dual 4:1 ADG609]] and single ADG608 8:1 multiplexers, which have a different pin-out than the generic CD4051/52 multiplexers. Through-hole and surface mount ADG609 based boards similar to the one in figure 3 are also included in the zip file. Another functionally similar option is the [[http://www.analog.com/media/en/technical-documentation/data-sheets/ADG608_609.pdf|dual 4:1 ADG609]] and single ADG608 8:1 multiplexers, which have a different pin-out than the generic CD4051/52 multiplexers. Through-hole and surface mount ADG609 based boards similar to the one in figure 3 are also included in the zip file.
university/tools/m1k/analog-mux.txt · Last modified: 21 Dec 2022 18:49 by Doug Mercer

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