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TEA1111A

Part Number	TEA1111A
Manufacturer	NXP
Description	earpiece volume controller
Published	Apr 16, 2005
Detailed Description	INTEGRATED CIRCUITS DATA SHEET TEA1111A Speech circuit with dialler interface, regulated supply and earpiece volume co...
Datasheet	TEA1111A PDF File

Overview

INTEGRATED CIRCUITS DATA SHEET TEA1111A Speech circuit with dialler interface, regulated supply and earpiece volume control Product speciﬁcation Supersedes data of 1999 Sep 28 File under Integrated Circuits, IC03 1999 Nov 22 Philips Semiconductors Product speciﬁcation Speech circuit with dialler interface, regulated supply and earpiece volume control FEATURES • Low DC line voltage; operates down to 1.
5 V (excluding voltage drop across external polarity guard) • Line voltage regulator with adjustable DC voltage • 3.
25 V regulated strong supply point for peripheral circuits compatible with: – Speech mode – Ringer mode – Trickle mode.
• Transmit stage with: – Microphone amplifier with symm...

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