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NW6003 Datenblatt(Datasheet) 1 Page - Integrated Device Technology

Teile-Nr. NW6003
Beschreibung  TYPE II CALLER ID DECODER
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Hersteller  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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TYPE II CALLER ID DECODER
NW6003
The IDT logo is a registered trademark of Integrated Device Technology, Inc
INDUSTRIAL TEMPERATURE RANGE
JULY 2002
©2002 Integrated Device Technology, Inc.
DSC-6047/2
FEATURES
1200 baud Bell 202 and ITU-T V.23 Frequency Shift Keying (FSK)
Demodulation
Compliant with three specifications:
Bellcore GR-30-CORE & SR-TSV-002476
British Telecom (BT) SIN227 & SIN242
Cable Communication Association (CCA) TW/P&E/312
Bellcore “CPE Alerting Signal (CAS)” and British Telecom “Idle
State and Loop State Tone Alert Signal” detection
Ring and line reversal detection
High sensitivity with -40 dBV input Tone and FSK Detection
Serial data interface to microcontroller
3 V ±10% or 5 V ±10% operation
Low power CMOS with powerdown mode
Operating temperature range: -40 °C to +85 °C
Packages available:
NW6003-XS 24 pin SOIC
(where ‘X’ is the revision ID)
Figure 1. Block Diagram
Oscillator
Line Reverse
and
Ring Detector
3 V/5 V
Detector
Bias
Generator
Interrupt
Generator
Guard Time
Dual Tone
Detector
FSK
Demodulator
Data/Timing Recovery
+
-
TRIGIN
TRIGRC
TRIGOUT
OSCIN
OSCOUT
VREF
CAP
PWDN
IN +
IN -
GS
FSKEN
MODE
DR
DATA
DCLK
CD
EST
ST/GT
STD
INT
DESCRIPTION
The NW6003 device is a single-chip, 3/5 Volt CMOS caller ID and
call waiting detection circuit. It can receive signals following Bellcore
GR-30-CORE & SR-TSV-002476, BT SIN227 & SIN242, and CCA TW/
P&E/312 specifications.
The NW6003 provides 1200 baud Bell 202 and ITU-T V.23 FSK
demodulation. It allows a microcontroller to extract data from it via a
serial interface. In addition, the NW6003 offers Idle State and Loop
State Tone Alert Signal and line reversal detection capability for BT
CLIP, ring burst detection for the CCA CLIP, and ring and CAS
detection for Bellcore CID.
The device can be used in feature or cordless phones for BT
Calling Line Identity Presentation (CLIP), CCA CLIP and Bellcore
Calling Identity Delivery (CID) systems. It can also be used in caller ID
boxes, modem, fax machines, answering machines, database query
systems and Computer Telephony Integration (CTI) systems.
FUNCTIONAL BLOCK DIAGRAM




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