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TEA1112 - Low voltage versatile telephone transmission

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NXP

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TEA1112 Low voltage versatile telephone transmission by NXP - Datasheet Preview — Datasheet preview – TEA1112

Datasheet Details

Part number	TEA1112
Manufacturer	NXP
File Size	154.34 KB
Description	Low voltage versatile telephone transmission
Datasheet	TEA1112 Datasheet
Additional preview pages of the TEA1112 datasheet.

Product details

Description

The TEA1112; TEA1112A are bipolar integrated circuits that perform all speech and line interface functions required in fully electronic telephone sets.

Features

Low DC line voltage; operates down to 1.6 V (excluding polarity guard).
Voltage regulator with adjustable DC voltage.
Provides a supply for external circuits.
Symmetrical high impedance inputs (64 kΩ) for dynamic, magnetic or piezo-electric microphones.
Asymmetrical high impedance input (32 kΩ) for electret microphones.
DTMF input with confidence tone.
Mute input for pulse or DTMF dialling (MUTE for TEA1112 and MUTE for TEA1112A).

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Published: Apr 16, 2005 |