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參數(shù)資料
| 型號(hào)： | IDTNW6005ASG |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁(yè)數(shù)： | 1/20頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC CALLER ID DECODER 20SOIC |
| 標(biāo)準(zhǔn)包裝： | 37 |
| 類(lèi)型： | 來(lái)電身份解碼器 |
| 應(yīng)用： | 傳真，調(diào)制解調(diào)器，尋呼機(jī) |
| 電壓 - 電源，模擬： | 2.5 V ~ 3.8 V |
| 電壓 - 電源，數(shù)字： | 2.5 V ~ 3.8 V |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SOIC |
| 包裝： | 管件 |
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ENHANCED TYPE II CALLER ID DECODER
NW6005
The IDT logo is a registered trademark of Integrated Device Technology, Inc
INDUSTRIAL TEMPERATURE RANGE
JULY 2002
2002 Integrated Device Technology, Inc.
DSC-6048/3
FEATURES
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 “CPE Alerting Signal (CAS)”, British Telecom “Idle State
and Loop State Tone Alert Signal” and ETSI “Dual Tone Alerting
Signal (DT-AS)” 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 °C to +85 °C
Packages available:
NW6005-XS 20 pin SOIC
(where ‘X’ is the revision ID)
Figure 1. Block Diagram
VREF
IN1+
IN1-
GS1
OSCOUT OSCIN
CB0 CB1 CB2
ST/GT
DR/STD
DESCRIPTION
The NW6005 device is a single-chip, 3/5 Volt CMOS caller ID with
call waiting detection circuit. It can receive signals following 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 Receive. In addition, NW6005 provides a
serial FSK data interface 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.
Oscillator
Control Bit
Decoder
Bias
Generator
Guard Time
Dual Tone
Detector
FSK
Demodulator
Data/Timing Recovery
+
-
+
-
Mux
PWDN
CASEN
FSKEN
MODE
GS1EN
GS2EN
FSKEN
MODE
GS1EN
GS2EN
IN2+
IN2-
GS2
EST
CD
DCLK
DATA
FUNCTIONAL BLOCK DIAGRAM
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