CN0510 Multiplexer Chip

Question

Hej , 
 I would like to design my own PCB using the CN0510 example. On the example board under " Conceptual " a circuit based on ADG1609BCPZ is built . 
 In the BOM it says that this circuit is not assembled, but is on the board. I do not quite understand this. 
 Do I need the ADG1609 chip on my own board or can I completely ignore the circuit under ,,Conceptual"? 
 
 Thx in advance! 
 
 Best regards 
 
 Waleri

mso · Accepted Answer

Hi Waleri, 
 ADG1609 or U4 is labeled as DNI (Do Not Include) in the schematic diagram of the CN0510. The board only has a footprint for it, but it is not necessary to be included in your circuit. Also, upon physically checking the CN0510 released board, there's no ADG1609 installed on it. 
 The circuit under the conceptual section is not used. 
 
 Regards, 
 Michelle)

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CN0510 Multiplexer Chip