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TEA1085 Datasheet PDF - Philips Electronics

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TEA1085 Datasheet PDF : TEA1085 pdf     
TEA1085AT image

GENERAL DESCRIPTION
The TEA1085 and TEA1085A are bipolar ICs which have been designed for use in line-powered telephone sets and provide a listening-in facility for the received line signal via a loudspeaker. Nearly all the line current can be used for powering the loudspeaker.

FEATURES
• Internal supply optimum current split-up
    - low constant current (adjustable) in transmission IC
    - nearly all line current available for listening-in adjustable supply voltage
• Loudspeaker amplifier dynamic limiter providing low distortion and the highest possible output power SE or BTL drive for loudspeaker volume control by potentiometer and/or logic inputs (e.g. microcontroller drive) fixed gain of 35 dB
• Larsen level limiter low sensitivity for own speech due to 3rd-order filter and attack delay adjustable voltage thresholds
• Power down input
• MUTE input
    TEA1085/TEA1085A
        - clickfree switching between listening-in mode and standby mode
    TEA1085
        - toggle function
        - start-up in standby condition
    TEA1085A
        - logic level input

 

Part Name
Description
PDF
Manufacturer
Signal Processor for Cordless Telephone Base Sets
SANYO -> Panasonic
Telephone Line Interface and Speakerphone Circuit
Motorola => Freescale
Telephone Line Interface with Active Line Monitoring
Xecom
Single In-Line Telephone Line Interfaces for Europe
Xecom
Single In-Line Telephone Line Interfaces for Europe
Unspecified
TELEPHONE LINE-FEED CIRCUIT
Motorola => Freescale
Timing processor (line, frame, SMPS) for TV sets
Temic Semiconductors
VIF + SIF Circuit for TV Sets / VTR
Unspecified
Telephone Line interface circuit for DECT, DAM, CT Unisolated or Isolated
Ericsson
Chroma Circuit for SECAM-system Color Television Sets
SANYO -> Panasonic

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