Two-channel switch circuit with sample-and-hold amplifier LF398

Published:2012/8/24 22:17:00 Author:Ecco | Keyword: Two -channel, switch , sample-and-hold, amplifier | From:SeekIC

Two input signals A, B are respectively added to the input end ( pin 3 ) and sampling capacitor end ( pin 6 ), pin 8 is connected to selecting pulse, and the internal switch can be used to change channels A and B, when a pulse is high (5V ), the internal switch is closed, the output is the A channel signal; when the selection pulse is low (0V), the internal switch is turned off, the signal output is the B channel. The parameters of the channel A, B are shown in the table below.



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