AS2522B datasheet(1/19 Pages) AMSCO

No. de pieza	AS2522B

Descripción Electrónicos	Telephone Line Interface and Speakerphone Circuit

PDF	19 Pages

Scroll/Zoom	100%

Fabricante Electrónico	AMSCO [ams AG]

Página de inicio	http://www.ams.com

Logo

1 / 19 page

Revision 3.4

Page 1 of 19

austriamicrosystems

Key Features

-

Line/Speech circuit, DTMF dialer, FSK transmitter and

tone ringer on a 32-pin CMOS-IC

-

Enhanced voice switching

-

Background noise monitoring

-

DTMF tone generator

-

FSK Transmitter V.23, BELL202, V.21, BELL 103

-

Ringer tone programmable

-

Tx- and Rx-gain programmable

-

Digital volume control of Rx signals

-

DC characteristic programmable

-

Dual softclipping in handset mode

-

Tx-softclipping in handsfree mode

-

Common monitor amplifier for loudhearing, handsfree

and ringing

-

Supply voltage generation for external circuitry

-

Automatic line loss compensation (LLC)

-

Real and complex impedance selectable by external

components

-

Side tone adaptation selectable by external components

-

Unique EMC performance

-

Operating range from 15mA to 100mA (down to 5mA

with reduced performance)

-

Few external components

General Description

AS2522 is a CMOS integrated circuit that incorporates DC

and AC line adaptation (DC-mask and synthesized AC-

impedance of 100

0Ω) as well as a speech circuit with

softclipping, line loss compensation and Rx-volume control

for handset and handsfree operation. It shall act as an a/b-

line powered device, which is controlled by a CPU via a

serial interface. Furthermore the AS2522 incorporates a

DTMF, FSK transmitter, single tone and ringer tone

generator.

AS2522 allows to use an off-the-shelf microprocessor

without special blocks and functions for telephone

applications. DTMF, FSK transmitter, single tone and ringer

tone generator can be controlled via the serial interface as

well as the gain settings in handset and handsfree mode.

Applications

Enhanced handsfree feature phones with CallerID and

extended displays.

Package

Available in 32-pin TQFP

Block Diagram

Telephone Line Interface and

Speakerphone Circuit

AS2522B

DATA SHEET

Número de pieza similar - AS2522B

Fabricante Electrónico	No. de pieza	Datasheet	Descripción Electrónicos
ams AG	AS2522B	1Mb / 20P	Telephone Line Interface and Speakerphone Circuit
	AS2522BF	1Mb / 20P	Telephone Line Interface and Speakerphone Circuit
	AS2522BQ	1Mb / 20P	Telephone Line Interface and Speakerphone Circuit
	AS2522B	1Mb / 20P	Telephone Line Interface and Speakerphone Circuit

More results

Descripción similar - AS2522B

Fabricante Electrónico	No. de pieza	Datasheet	Descripción Electrónicos
Motorola, Inc	TCA3388	274Kb / 16P	TELEPHONE LINE INTERFACE
NXP Semiconductors	UBA1706	197Kb / 28P	Cordless telephone line interface 1999 Jun 04
ELAN Microelectronics C...	EM91886	894Kb / 46P	CMOS SINGLE SHIP TELEPHONE WITH LOCK, SPEAKERPHONE, HOLD MELODY AND LCD INTERFACE
ams AG	AS2523	340Kb / 19P	Telephone Line Interface and Speakerphone Circuit
ams AG	AS2523	499Kb / 19P	Telephone Line Interface and Speakerphone Circuit
Motorola, Inc	MC33215	490Kb / 20P	Telephone Line Interface and Speakerphone Circuit
Freescale Semiconductor...	MC33215BE	490Kb / 20P	Telephone Line Interface and Speakerphone Circuit
ams AG	AS2522B	1Mb / 20P	Telephone Line Interface and Speakerphone Circuit
ams AG	AS2523	941Kb / 20P	Telephone Line Interface and Speakerphone Circuit
Motorola, Inc	MC34216	145Kb / 5P	PROGRAMMABLE TELEPHONE LINE INTERFACE CIRCUIT WITH LOUDSPEAKER AMPLIFIER

More results

AS2522B Datasheet(PDF) 1 Page - ams AG

AS2522B Datasheet(HTML) 1 Page - ams AG

Número de pieza similar - AS2522B

Descripción similar - AS2522B

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Datasheet Descarga

Enlace URL