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CPC5620ATR PDF预览

CPC5620ATR

更新时间: 2024-11-05 22:40:15
品牌 Logo 应用领域
CLARE 电信集成电路光电二极管电话
页数 文件大小 规格书
18页 774K
描述
LITELINK III Phone Line Interface IC (DAA)

CPC5620ATR 数据手册

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CPC5620/CPC5621  
LITELINK™ III Phone Line Interface IC (DAA)  
Features  
Description  
Superior voice solution with high power option, low  
noise, no automatic gain control circuit, and excel-  
lent part-to-part gain accuracy  
LITELINK III is a single-package silicon phone line  
interface/DAA used in voice and data communication  
applications to make connections between host equip-  
ment and telephone networks.  
Data access arrangement (DAA) solution for modems at  
speeds up to V.92  
LITELINK provides a high-voltage isolation barrier, AC  
and DC phone line termination, switchhook, 2-wire to  
4-wire hybrid, ring detection, and on-hook signal  
detection. LITELINK can be used in both differential  
and single-ended signal applications.  
3.3 or 5 V power supply operation  
Caller ID signal reception function  
Easy interface with modem ICs and voice CODECs  
Worldwide dial-up telephone network compatibility  
Supplied application circuit complies with the  
requirements of TIA/EIA/IS-968 (FCC part 68),  
UL1950, UL60950, EN60950, IEC60950,  
EN55022B, CISPR22B, EN55024, and TBR-21  
Complies with UL1577  
Line-side circuit powered from telephone line  
Compared to other silicon DAA solutions, LITELINK:  
- Uses fewer passive components  
LITELINK uses on-chip optical components and a few  
inexpensive external components to form a complete  
voice or high-speed data phone line interface.  
LITELINK eliminates the need for the large isolation  
transformers or capacitors used in other interface con-  
figurations. It incorporates the required high-voltage  
isolation barrier in the surface-mount SOIC package.  
- Takes up less printed-circuit board space  
- Uses less telephone line power  
- Offers simplified operation  
The CPC5620 (half-wave ring detect) and CPC5621  
(full-wave ring detect) PLIs build upon Clare’s  
LITELINK II line, with improved insertion loss control,  
improved noise performance, and lower minimum cur-  
rent draw from the phone line.  
- Is a single-chip solution  
Applications  
Computer telephony and gateways, such as VoIP  
PBXs  
Ordering Information  
Satellite and cable set-top boxes  
V.92 (and other standard) modems  
Fax machines  
Part Number Description  
CPC5620A  
32-pin PLI with half-wave ring detect, tubed  
32-pin PLI with half-wave ring detect, tape  
and reel  
Voicemail systems  
CPC5620ATR  
CPC5621A  
Embedded modems for POS terminals, automated  
banking, remote metering, vending machines, secu-  
rity, and surveillance  
32-pin PLI with full-wave ring detect, tubed  
32-pin PLI with full-wave ring detect, tape and  
reel  
CPC5621ATR  
Figure 1. CPC5620/CPC5621 Block Diagram  
TIP+  
Isolation Barrier  
Transmit  
Isolation  
Amplifier  
Tx+  
Tx-  
Transmit  
Diff.  
Amplifier  
VI Slope Control  
Transconductance  
Stage  
2-4 Wire Hybrid  
AC/DC Termination  
Hookswitch  
AC Impedance Control  
Current Limit Control  
MODE  
OH  
RING  
CID  
Vref  
Gain Trim  
RING-  
Vref  
Gain Trim  
Receive  
Isolation  
Amplifier  
Rx+  
Rx-  
Receive  
Diff.  
Amplifier  
CID/  
RING  
MUX  
CSNOOP  
RSNOOP  
Snoop Amplifier  
CSNOOP  
RSNOOP  
DS-CPC5620/5621-R0.E  
www.clare.com  
1

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