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CPC5622 PDF预览

CPC5622

更新时间: 2024-11-20 03:26:27
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页数 文件大小 规格书
18页 439K
描述
LITELINK㈢ III Phone Line Interface IC (DAA)

CPC5622 数据手册

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CPC5622  
LITELINK III Phone Line Interface IC (DAA)  
®
Embedded modems for POS terminals, automated  
banking, remote metering, vending machines,  
security, and surveillance  
Features  
Superior voice solution with low noise and excellent  
part-to-part gain accuracy  
3 kV  
line isolation  
RMS  
Description  
Simultaneous ringing detection and CID monitoring  
for worldwide applications  
Provides both full-wave ringing detect and half-wave  
ringing detect for maximum versatility  
Transmit power of up to +10 dBm into 600 Ω  
Data access arrangement (DAA) solution for modem  
speeds up to V.92  
LITELINK III is a single-package silicon phone line  
interface (PLI) DAA used in voice and data  
communication applications to make connections  
between host equipment and telephone networks.  
LITELINK uses on-chip optical components and a few  
inexpensive external components to form the required  
high voltage isolation barrier. LITELINK eliminates the  
need for large isolation transformers or capacitors  
used in other phone line interface configurations.  
3.3V or 5 V power supply operation  
Easy interface with modem ICs and voice CODECs  
Worldwide dial-up telephone network compatibility  
CPC5622 can be used in circuits that comply with  
the requirements of TIA/EIA/IS-968 (FCC part 68),  
UL60950 (UL1950), EN60950, IEC60950,  
EN55022B, CISPR22B, EN55024, and TBR-21  
Line-side circuit powered from telephone line  
Compared to other silicon DAA solutions, LITELINK:  
- Uses fewer passive components  
LITELINK also provides AC and DC phone line  
terminations, switchhook, 2-wire to 4-wire hybrid,  
ringing detection, and full time receive on-hook  
transmission capability.  
The CPC5622 is a member of and builds upon Clare’s  
third generation of LITELINK products with improved  
insertion loss performance and lower minimum current  
draw from the phone line. The CPC5622 version of  
LITELINK III provides concurrent ringing detection and  
CID monitoring for world wide applications. Both  
half-wave and full-wave ringing detection are provided  
for maximum versatility.  
- Takes up less printed-circuit board space  
- Uses less telephone line power  
- Is a single-IC solution  
Applications  
Computer telephony and gateways, such as VoIP  
PBXs  
Satellite and cable set-top boxes  
V.92 (and other standard) modems  
Fax machines  
Ordering Information  
Part Number Description  
CPC5622A  
32-pin Phone Line Interface, 50/tube  
Voicemail systems  
32-pin Phone Line Interface, tape and reel,  
1000/reel  
CPC5622ATR  
Figure 1. CPC5622 Block Diagram  
Isolation Barrier  
Tx+  
Tx-  
Transmit  
Diff.  
Amplifier  
TIP  
Transmit  
Isolation  
Amplifier  
Tx.  
Gain  
Trim  
MODE  
OH  
Transconductance  
Stage  
2-4 Wire Hybrid  
AC/DC Termination  
Hook Switch  
Rx.  
Gain  
Trim  
Receive  
Isolation  
Amplifier  
RING  
Rx+  
Rx-  
Receive  
Diff.  
Amplifier  
Rx MUX  
&
Ringing Det.  
Ringing Detect Outputs  
Half Wave  
CSNOOP  
CSNOOP  
RSNOOP  
RSNOOP  
RING  
Snoop  
Amplifier  
Full Wave  
RING2  
DS-CPC5622 - Rev. 1.0  
www.clare.com  
1

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