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Power consumption on ADuCM361 is higher than spec?

Question asked by dinrail on Feb 11, 2014
Latest reply on Feb 21, 2014 by ABuda

According to page 9 of http://www.analog.com/static/imported-files/data_sheets/ADuCM360_361.pdf, the maximum current consumption is only 6mA

 

Now, I use your ADCMeter example to test it. and the current is indeed less than 5mA, until I adds 1K load to serial port output pin, SOUT (pin31)

 

With only 1K load on serial output, ADuCM361 now draws around 30mA

 

ADuCM361 is running at 3.3V, 16Mhz

 

Why?

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