AS2522B circuit equivalent, telephone line interface and speakerphone circuit.
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DATA SHEET
General Description
AS2522 is a CMOS integrated circuit that incorporates DC and AC line adaptation (DC-mask and synthesized ACimpedance of 100 0Ω ) as wel.
DTMF, FSK transmitter, single tone and ringer tone generator can be controlled via the serial interface as well as the .
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