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Description
The NW6005 device is a single-chip, 3/5 Volt CMOS caller ID
with call waiting detection circuit. It can receive signals follow-
ing Bellcore GR-30-CORE & SR-TSV-002476, BT SIN227 &
SIN242, and ETSI ETS 300 788-1/-2 specifications.
The NW6005 provides 1200 baud Bell 202 and ITU-T V.23
FSK demodulation and CAS/DT-AS detection. Two seperate
differential input amplifiers allow the device to be connected
with both Tip/Ring and Telephone Hybrid receive pair. FSK
demodulation is implemented only on Tip/Ring, while DT-AS
(or CAS) detection can be on either Tip/Ring or Hybrid Re-
ceive. In addition, NW6005 provides a serial FSK data inter-
face via which the data can be selected to be processed as a
bit stream or extracted from a 1 byte built-in buffer.
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.
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1200 baud Bell 202 and ITU-T V.23 Frequency Shift
Keying (FSK) Demodulation
Compliant with following specifications:
Bellcore GR-30-CORE & SR-TSV-002476
TIA/EIA-716, TIA/EIA-777 Draft
British Telecom (BT) SIN227 & SIN242
ETSI ETS 300 778-1 and -2
Bellcore 鈥淐PE Alerting Signal (CAS)鈥? British Telecom 鈥淚dle
State and Loop State Tone Alert Signal鈥?and ETSI 鈥淒ual
Tone Alerting Signal (DT-AS)鈥?detection
Two seperate OP amps with adjustable gain for Tip/Ring
and Telephone Hybrid connections
Monitoring of the stop bit for framing error check
Serial FSK data interface with selectable output of bit
stream or 1 byte buffer
FSK carrier detection
3 V or 5 V operation
Low power CMOS with intelligent powerdown mode
Operating temperature range: -40 擄C to +85 擄C
Packages available:
NW6005-XS 20 pin SOIC
(where 鈥榅鈥?is the revision ID)
CB0
CB1 CB2
VREF
Bias
Generator
PWDN
Oscillator
Control Bit
Decoder
FSKEN GS1EN
PWDN
GS2EN
CASEN
MODE
CASEN
GS1EN
Guard Time
Dual Tone
Detector
ST/GT
Mux
IN1+
IN1-
GS1
IN2+
IN2-
GS2
+
-
DR/STD
EST
CD
+
-
GS2EN
FSK
Demodulator
FSKEN
Data/Timing
Recovery
MODE
DCLK
DATA
Figure-1.
Integrated Device Technology, Inc.
Block Diagram
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NW6005-XS相關(guān)型號PDF文件下載
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