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AS2525 - Single-Chip Handsfree Phone CMOS Integrated Circuit

General Description

The AS2525 is a CMOS mixed-mode integrated circuit for use in feature phones, answering machines and fax machines.

Key Features

  • q Line/speech handsfree circuit, LD/MF repertory dialler, and tone ringer on one 44 pin CMOS chip q Operating range from 15 to 100 mA line current (down to 5 mA with slightly reduced performance) q All significant parameters programmable with external EEPROM q Volume control of receiver signal q Handsfree function with enhanced voice switching q Low noise (max. -72 dBmp) q Unique EMC performance q LD/MF switchable dialling with temporary MF mode q Repertory dialling with last number redial and m.

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Datasheet Details

Part number AS2525
Manufacturer austriamicrosystems AG
File Size 814.70 KB
Description Single-Chip Handsfree Phone CMOS Integrated Circuit
Datasheet download datasheet AS2525 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Preliminary AS2525 Single-Chip Handsfree Phone CMOS Integrated Circuit Austria Mikro Systeme International AG Key Features q Line/speech handsfree circuit, LD/MF repertory dialler, and tone ringer on one 44 pin CMOS chip q Operating range from 15 to 100 mA line current (down to 5 mA with slightly reduced performance) q All significant parameters programmable with external EEPROM q Volume control of receiver signal q Handsfree function with enhanced voice switching q Low noise (max.