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AD8145 Single Supply Question

Question asked by Walter on May 5, 2012
Latest reply on May 9, 2012 by jpearson



I would like to use the AD8145 on a single 5V supply. I did not find a reference schematic on how to do that.


Is it correct, that I

- connect VS+ to 5V

- connect VS- to 0V

- GND-Pins to 0V

- use a 2.5V bias (e.g. via 100k) for the (AC coupled) inputs

- connect a 2.5V reference voltage to the REF pins


Can I still can use the comparators (VS+ to GND >= 4.5V)?

What is the input voltage range of the comparator in this case?


Thank you very much for your help!