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ST5080 Datenblatt (PDF) - STMicroelectronics

ST5080 Datasheet PDF - STMicroelectronics
Teilenummer ST5080
Download  ST5080 Download

Filegröße   347.72 Kbytes
Page   32 Pages
Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Bauteilbeschribung PIAFE PROGRAMMABLE ISDN AUDIO FRONT END

ST5080 Datasheet (PDF)

Go To PDF Page Download Datenblatt
ST5080 Datasheet PDF - STMicroelectronics

Teilenummer ST5080
Download  ST5080 Click to download

Filegröße   347.72 Kbytes
Page   32 Pages
Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Bauteilbeschribung PIAFE PROGRAMMABLE ISDN AUDIO FRONT END

ST5080 Datenblatt (HTML) - STMicroelectronics

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ST5080 Produktdetails

GENERAL DESCRIPTION

ST5080A PIAFE is a combined PCM CODEC/FILTER device optimized for ISDN Terminals and Digi tal Telephone applications. This device is A-law and Mu-law selectable and offers a number of programmable functions accessed through a serial control channel.



FEATURES:

Complete CODEC and FILTER system including:

PCM ANALOG TO DIGITAL AND DIGITAL TO ANALOG CONVERTERS

POWERFUL ANALOG FRONT END CAPABLE TO INTERFACE DIRECTLY:

- Microphone Dynamic, Piezo or Electrete

- Earpiece down to 100Ωor up to 150nF

- Loudspeaker down to 50Ωor Buzzer up to 600nF.

TRANSMIT BAND-PASS FILTER

ACTIVE RC NOISE FILTER

RECEIVE LOW-PASS FILTER WITH SIN X/X CORRECTION

MU-LAW OR A-LAW SELECTABLE COMPANDING CODER AND DECODER

PRECISION VOLTAGE REFERENCE



Phones Features:

DUAL SWITCHABLE MICROPHONE AMPLIFIER INPUTS. GAIN PROGRAMMABLE: 15 dB RANGE, 1 dB STEP.

LOUDSPEAKER AMPLIFIER AUXILIARY OUTPUT. ATTENUATION PROGRAMMABLE: 30 dB RANGE, 2 dB STEP.

SEPARATE EARPIECE AMPLIFIER OUTPUT. ATTENUATION PROGRAMMABLE: 15 dB RANGE, 1 dB STEP

AUXILIARY SWITCHABLE EXTERNAL RING INPUT (EAIN).

TRANSIENT SUPRESSION SIGNAL DURING POWER ON.

INTERNAL PROGRAMMABLE SIDETONE

CIRCUIT. ATTENUATION PROGRAMMABLE: 15 dB RANGE, 1 dB STEP.

INTERNAL RING OR TONE GENERATOR IN CLUDING DTMF TONES, SINEWAVE OR SQUAREWAVE WAVEFORMS.

ATTENUATION PROGRAMMABLE: 27 dB RANGE, 3 dB STEP.

COMPATIBLE WITH HANDS-FREE CIRCUIT TEA7540.

ON CHIP SWITCHABLE ANTI-ACOUSTIC FEED-BACK CIRCUIT (ANTI-LARSEN).



APPLICATIONS:

ISDN TERMINALS.

DIGITAL TELEPHONES

CT2 AND GSM APPLICATIONS




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Über STMicroelectronics


Stmicroelectronics ist ein multinationaler Elektronik- und Halbleiterhersteller mit Sitz in Genf, Schweiz.

Das Unternehmen bietet eine breite Palette von Produkten an, darunter Mikrocontroller, Sensoren, Stromverstärker und integrierte Schaltkreise für verschiedene Anwendungen in den Märkten Automobil-, Industrie- und Verbrauchermärkte.

STMICROELECTRONICS wurde 1987 gegründet und ist in über 100 Ländern betrieben und ist eines der größten Halbleiterunternehmen der Welt.

*Diese Informationen dienen nur zu allgemeinen Informationszwecken. Wir haften nicht für Verluste oder Schäden, die durch die oben genannten Informationen verursacht werden.




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