Gain 1~8000 times programmable amplifier circuit with PGA203

Published:2011/4/19 22:16:00 Author:Jessie | Keyword: Gain 1~8000 times, programmable, amplifier | From:SeekIC

As shown is gain 1~8000 times programmable amplifier circuit. This circuit uses PGA202, PGA203 integrated chips. TheNC gain range of PGA202 is 1, 10, 100 and 1000. And theNC gain range of PGA203 is 1, 2,4 and 8.The corresponding relation of gain control terminals A2 (pin 1), A3 (pins 2) and the gain is listed in table below.



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