TEA1111A - earpiece volume controller

Name: TEA1111A
SKU: TEA1111A-326205

NXP

The TEA1111A by NXP is a earpiece volume controller. Below is the official datasheet preview.

Datasheet Details

Part number	TEA1111A
Manufacturer	NXP
File Size	129.65 KB
Description	earpiece volume controller
Datasheet	TEA1111A_PhilipsSemiconductors.pdf
Additional preview pages of the TEA1111A datasheet.

The TEA1111A is a bipolar integrated circuit that performs all speech and line interface functions required in fully electronic telephone sets.

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 symmetrical high impedance inputs.
DTMF amplifier with confidence tone on earpiece.
Rece.

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Published: Apr 16, 2005 |