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Partname:BU8874F
Description:DTMF receiver for telephones
Manufacturer:ROHM Co.
Package:SOP18
Pins:18
Oper. temp.:-10 to 70
Datasheet:PDF (180K).
Click here to download *)

The BU8874 and BU8874F are DTMF receiver ICs developed for use in telephone answering machines, and convert 16 different types of DTMF signals into 4-bit binary serial data. In addition to a compact 8-pin DIP (BU8874) package, these receivers feature a wide dynamic range, eliminating the need for an external input amplifier. Expertise from a number of companies has been incorporated into these products to enable guard time control through a host microcontroller. FApplications

Click here to download BU8874F Datasheet
Click here to download BU8874F Datasheet
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