CPC5622 LITELINK III Phone Line Interface IC (DAA) INTEGRATED CIRCUITS DIVISION Features Description Superior voice solution with low noise and excellent LITELINK III is a single-package silicon phone line part-to-part gain accuracy interface (PLI) DAA used in voice and data line isolation 3 kV communication applications to make connections RMS between low-voltage equipment and high-voltage Simultaneous ringing detection and CID monitoring telephone networks. for worldwide applications Provides both full-wave ringing detect and half-wave LITELINK uses on-chip optical components and a few ringing detect for maximum versatility inexpensive external components to form the required Transmit power of up to +10 dBm into 600 high voltage isolation barrier. LITELINK eliminates the Data access arrangement (DAA) solution for modem need for large isolation transformers or capacitors speeds up to V.92 used in other phone line interface configurations. 3.3V or 5 V power supply operation LITELINK also provides AC and DC phone line Easy interface with modem ICs and voice CODECs terminations, switchhook, 2-wire to 4-wire hybrid, Worldwide dial-up telephone network compatibility ringing detection, and full time receive on-hook CPC5622 can be used in circuits that comply with transmission capability. the requirements of TIA/EIA/IS-968 (FCC part 68), UL60950 (UL1950), EN/IEC 60950-1 The CPC5622 is a member of, and builds upon, IXYS Supplementary Isolation Compliant, IEC60950, Integrated Circuits Divisions third generation of EN55022B, CISPR22B, EN55024, and TBR-21 LITELINK products with improved insertion loss Line-side circuit powered from telephone line performance and lower minimum current draw from Compared to other silicon DAA solutions, LITELINK: the phone line. The CPC5622 version of LITELINK III - Uses fewer passive components provides concurrent ringing detection and CID - Takes up less printed-circuit board space monitoring for world wide applications. Both half-wave - Uses less telephone line power and full-wave ringing detection are provided for - Is a single-IC solution maximum versatility. Applications Ordering Information Computer telephony and gateways, such as VoIP Part Number Description PBXs Satellite and cable set-top boxes CPC5622A 32-Pin SOIC Phone Line Interface, 50/tube V.92 (and other standard) modems 32-Pin SOIC Phone Line Interface, CPC5622ATR Fax machines tape and reel, 1000/reel Voicemail systems Embedded modems for POS terminals, automated CPC5622 Block Diagram banking, remote metering, vending machines, security, and surveillance Isolation Barrier Tx+ Transmit Diff. TIP Amplifier Tx- Transmit Isolation Tx. MODE Amplifier Gain Trim Transconductance Stage 2-4 Wire Hybrid OH AC/DC Termination Hook Switch Rx. Gain Receive Trim Isolation Amplifier RING Rx+ Receive Diff. Rx- Amplifier Rx Amp & Ringing Det. Ringing Detect Outputs C SNOOP R SNOOP Half Wave RING Snoop C SNOOP Full Wave R Amplifier SNOOP RING2 DS-CPC5622-R03.1 www.ixysic.com 1 3kV rms IsolationCPC5622 INTEGRATED CIRCUITS DIVISION 1. Electrical Specifications 3 1.1 Absolute Maximum Ratings . 3 1.2 Performance 4 1.3 Pin Description 5 2. Application Circuits 6 2.1 Resistive Termination Application Circuit 6 2.1.1 Resistive Termination Application Circuit Part List . 7 2.2 Reactive Termination Application Circuit . 8 2.2.1 Reactive Termination Application Circuit Part List . 9 3. Using LITELINK 10 3.1 Switch Hook Control (On-hook and Off-hook States) 10 3.2 On-hook Operation: OH=1 . 10 3.2.1 Ringing Signal Reception via the Snoop Circuit 10 3.3 Off-Hook Operation: OH=0 12 3.3.1 Receive Signal Path . 12 3.3.2 Transmit Signal Path 12 3.4 Initialization Requirement Following Power-up . 13 3.5 DC Characteristics . 13 3.5.1 Setting a Current Limit . 13 3.6 AC Characteristics . 13 3.6.1 Resistive Termination Applications . 13 3.6.2 Reactive Termination Applications 13 3.6.3 Mode Pin Usage 13 4. Regulatory Information 14 5. LITELINK Design Resources . 14 6. LITELINK Performance 15 7. Manufacturing Information . 17 7.1 Mechanical Dimensions . 18 2 www.ixysic.com R03.1