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

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

Datasheet Summary

Description

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

In many places in the text, figures and tables, the description is not applicable for all the five types, but only for one or two or for a combination.

Features

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.

Datasheet Details

Part number	UBA2051
Manufacturer	NXP
File Size	292.90 KB
Description	(UBA2050) One-chip telephone ICs with speech / dialler and ringer functions
Datasheet	UBA2051 Datasheet
Additional preview pages of the UBA2051 datasheet.

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Full PDF Text Transcription

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INTEGRATED CIRCUITS DATA SHEET UBA2050(A); UBA2051(A;C) One-chip telephone ICs with speech, dialler and ringer functions Product speciﬁcation Supersedes data of 1998 Mar 24 File under Integrated Circuits, IC03 2000 May 19 Philips Semiconductors Product speciﬁcation One-chip telephone ICs with speech, dialler and ringer functions FEATURES 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.

Published: Sep 12, 2005 |