Telephone Line Interface And Speakerphone Circuit

AS2522 is a flexible CMOS integrated circuit that incorporates DC and AC line adaptation (DC-mask and synthesized AC-impedance of 100^) as well as a speech circuit with softclipping, line loss compensation and Rxvolume control for handset and handsfree operation. It shall act as an a/b-line powered device, which is controlled by a CPU via a serial Interface Furthermore the AS2522 incorporates a DTMF, FSK transmitter, single Tone and ringer Tone generator.
By ams AG
AS2522B 's PackagesAS2522B 's pdf datasheet



AS2522B Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
AS2522B circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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