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ISL5585ECM Datasheet(PDF) 1 Page - Renesas Technology Corp |
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ISL5585ECM Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 23 page  FN6026 Rev 6.00 Page 1 of 23 October 21, 2004 FN6026 Rev 6.00 October 21, 2004 ISL5585 3.3V Ringing SLIC Family for Voice Over Broadband (VOB) DATASHEET The 3.3V family of ringing subscriber line interface circuits (SLIC) supports analog Plain Old Telephone Service (POTS) in short and medium loop length, wireless and wireline voice over broadband applications. Ideally suited for customer premise equipment, this family of products offers flexibility to designers with high ringing voltage and low power consumption system requirements. The ISL5585 family is capable of operating with 100V ringing battery supply, which translates directly to the amount of ringing voltage supplied to the subscriber. With the high operating voltage, subscriber loop lengths can be extended to 500 (i.e., 5,000 feet) and beyond, allowing this family to serve emerging Fiber In The Loop (FITL) markets. Other key features across the product family include: 3.3V VCC operation, low power consumption, ringing using sinusoidal or trapezoidal waveforms, robust auto-detection mechanisms for when subscribers go on or off hook, and minimal external discrete application components. Integrated test access features are also offered on selected products to support loopback testing as well as line measurement tests. There are ten product offerings of the ISL5585 providing various grades of ringing battery voltage and longitudinal balance. Block Diagram Features • 3.3V Operation • Onboard Ringing Generation • Low Standby Power Consumption (75V, 65mW) • Programmable Transient Current Limit • Improved Off Hook Software Interface • Integrated MTU DC Characteristics • Low External Component Count • Silent Polarity Reversal • Pulse Metering and On Hook Transmission • Tip Open Ground Start Operation • Balanced and Unbalanced Ringing • Thermal Shutdown with Alarm Indicator • 28 Lead Surface Mount Packaging • QFN Package: - Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Package Outline - Near Chip Scale Package footprint, which improves PCB efficiency and has a thinner profile • Pb-Free Available (RoHS Compliant) Applications • Short Loop Access Platforms • Voice Over Internet Protocol (VoIP) • Voice Over Cable and DSL Modems • Internet Protocol PBX • FiberTo The Home (FTTH) • Remote Subscriber Units • Ethernet Terminal Adapters Related Literature • AN1038, User’s Guide for Development Board • AN9824, Modeling of the AC Loop • TB379 Thermal Characterization of Packages for ICs • AN9922, Thermal Characterization and Modeling of the RSLIC18 in the Micro Leadframe Package VRS AUX VTX -IN VFB F2 F1 F0 ILIM SW- RT DET ALM 2-WIRE PORT POL CDC VBH VBL BSEL SWC TRANSIENT CURRENT LIMIT SW+ TIP RING TL SH E0 BATTERY SWITCH RINGING PORT 4-WIRE PORT TEST ACCESS TRANSMIT SENSING CONTROL LOGIC DETECTOR LOGIC DC CONTROL |
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