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TEA1099H

Part Number	TEA1099H
Manufacturer	NXP
Description	Speech/handsfree
Published	Apr 16, 2005
Detailed Description	INTEGRATED CIRCUITS DATA SHEET TEA1099H Speech and handsfree IC with auxiliary inputs/outputs and analog multiplexer P...
Datasheet	TEA1099H PDF File

Overview

INTEGRATED CIRCUITS DATA SHEET TEA1099H Speech and handsfree IC with auxiliary inputs/outputs and analog multiplexer Product speciﬁcation Supersedes data of 1998 Jun 11 File under Integrated Circuits, IC03 1999 Apr 08 Philips Semiconductors Product speciﬁcation Speech and handsfree IC with auxiliary inputs/outputs and analog multiplexer 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 • Dual Tone Multi-Frequency (DTMF) input with confidence tone on earphone and/or loudspeaker • Receive amplifier for dynamic, magnetic or piezo-electric earpieces (with externally adjustable gain) • AGC: Automatic Gain Control for true line loss compensation.
Supplies • Provides a strong 3.
35 V regulated supply for microcontroller or dialler • Provides filtered power supply, optimized according to line current and compatible with external voltage or current sources • F...

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