UBA2050 - (UBA2051) One-chip telephone ICs with speech / dialler and ringer functions

Product Overview

NXP

Part number	UBA2050
Manufacturer	NXP
File Size	292.90 KB
Description	(UBA2051) One-chip telephone ICs with speech / dialler and ringer functions
Datasheet	UBA2050 Datasheet
Note	This datasheet PDF includes multiple part numbers: UBA2050, UBA2051. Please refer to the document for exact specifications by model.
Additional preview pages of the UBA2050 datasheet.

The ICs UBA2050, UBA2050A, UBA2051, UBA2051A and UBA2051C contain all the functions needed to build a fully electronic telephone set.

Speech/transmission part.
Low DC line voltage; operates down to 1.45 V (excluding voltage drop over external polarity guard).
Line voltage regulator with adjustable DC voltage.
Regulated 3.3 V supply (VDD) for the dialler part and peripherals compatible with:.
Speech mode.
Ringer mode.
Trickle mode.
Unregulated supply (VCC) for the transmission part and peripherals.
Transmit stage with:.
Microphone amplifier with s.

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Published: Sep 12, 2005 |