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

Product Overview

NXP

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.

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 |