HT9033 datasheet(1/9 Pages) HOLTEK

Numer części	HT9033

Szczegółowy opis	CAS Tone Detector

PDF	9 Pages

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Producent	HOLTEK [Holtek Semiconductor Inc]

Strona internetowa	http://www.holtek.com

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HT9033

CAS Tone Detector

Block Diagram

Pin Assignment

Rev. 1.00

1

May 22, 2006

Features

· Operating voltage: 3.5V~5.5V

· Differential input

· Power down control

· Bellcore CAS detection (Type II)

· 3.58MHz clock input

· Low standby current

· High sensitivity: -33dBm

· Data valid output

· 16-pin DIP/SOP package

Applications

· Feature phone system

· Caller ID with Call Waiting

· Computer telephony interface products

· Analog Display Service Interface (ADSI)

General Description

The HT9033 is a CPE Alerting Signal (CAS) tone re-

ceiver integrated with digital filter/detector and analog

front end circuit. The HT9033 using analog filter tech-

niques to achieve very high precision detection for the

present of CAS tone.

It is ideal for receiving physical layer signal like

Bellcore

¢s CPE Alerting Signal (Type II caller ID) and

similar evolving services like ETS/BT.

D e c i s i o n

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N C

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X 2

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H T 9 0 3 3

1 6 D I P - A / S O P - A

1

2

3

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5

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1 6

1 5

1 4

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