TEA1098AH - Speech/handsfree

NXP

TEA1098AH Datasheet Preview — Preview of TEA1098AH PDF

Datasheet Details

Part number	TEA1098AH
Manufacturer	NXP ↗
File Size	185.18 KB
Description	Speech/handsfree
Datasheet	TEA1098AH_PhilipsSemiconductors.pdf

TEA1098AH Product details

Description

plastic very small outline package; 40 leads plastic quad ﬂat package; 44 leads (lead length 1.3 mm); body 10 × 10× 1.75 mm GENERAL DESCRIPTION Duplex controller consisting of: TEA1098A signal and noise envelope monitors for both channels (with adjustable sensitivities and timing) decision logic (with adjustable switch-over and Idle mode timing) voice switch control (with adjustable switching range and constant sum of gain during switching).

Features

Line interface.
Low DC line voltage.
Voltage regulator with adjustable DC voltage.
Symmetrical high impedance inputs (70 kΩ) for dynamic, magnetic or electret microphones.
DTMF input with confidence tone on earphone and/or loudspeaker.
Earphone amplifier for dynamic, magnetic or piezo-electric earpieces (with externally adjustable gain).
Digital volume control on earphone amplifier (4 steps).
Automatic Gain Control (AGC) for true lin.

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Published: Apr 16, 2005 |