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ST5080D Folha de dados (PDF) - STMicroelectronics

ST5080D Datasheet PDF - STMicroelectronics
Nome de Peças ST5080D
Download  ST5080D Download

Tamanho do Arquivo   347.72 Kbytes
página   32 Pages
Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Descrição Electrónicos PIAFE PROGRAMMABLE ISDN AUDIO FRONT END

ST5080D Datasheet (PDF)

Go To PDF Page Download Folha de dados
ST5080D Datasheet PDF - STMicroelectronics

Nome de Peças ST5080D
Download  ST5080D Click to download

Tamanho do Arquivo   347.72 Kbytes
página   32 Pages
Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Descrição Electrónicos PIAFE PROGRAMMABLE ISDN AUDIO FRONT END

ST5080D Folha de dados (HTML) - STMicroelectronics

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ST5080D Detalhes do produto

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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Sobre a STMicroelectronics


A STMicroelectronics é um fabricante multinacional de eletrônicos e semicondutores com sede em Genebra, Suíça.

A empresa oferece uma ampla gama de produtos, incluindo microcontroladores, sensores, amplificadores de energia e circuitos integrados para várias aplicações nos mercados automotivo, industrial e de consumo.

Fundada em 1987, a STMicroelectronics possui operações em mais de 100 países e é uma das maiores empresas de semicondutores do mundo.

*Esta informação é apenas para fins informativos gerais, não seremos responsáveis por qualquer perda ou dano causado pelas informações acima.




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