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TEA1112 - Low voltage versatile telephone transmission

NXP

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Datasheet Details

Part number	TEA1112
Manufacturer	NXP ↗
File Size	154.34 KB
Description	Low voltage versatile telephone transmission
Datasheet	TEA1112_PhilipsSemiconductors.pdf

TEA1112 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 |