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HC55183 Datasheet(PDF) 1 Page - Renesas Technology Corp |
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HC55183 Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 19 page  FN4519 Rev 8.00 Page 1 of 19 August 10, 2010 FN4519 Rev 8.00 August 10, 2010 HC55183, HC55184 Extended Reach Ringing SLIC Family DATASHEET The RSLIC18™ family of ringing subscriber line interface circuits (RSLIC) supports analog Plain Old Telephone Service (POTS) in short and medium loop length, wireless and wireline applications. Ideally suited for remote subscriber units, this family of products offers flexibility to designers with high ringing voltage and low power consumption system requirements. The HC55183 and HC55184 family operates up to 75V, and the HC55185 family operates to 100V, which translates directly to the amount of ringing voltage supplied to the end subscriber. With 100V operating voltage, subscriber loop lengths can be extended up to 500 (i.e., 5,000 feet) and beyond. Other key features across the product family include: 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 2 product offerings in the RSLIC18 family: HC55183 and HC55184. The architecture for this family is based on a voltage feed amplifier design using low fixed loop gains to achieve high analog performance with low susceptibility to system induced noise. Block Diagram Features • Battery Operation to 75V • Low Standby Power Consumption of 50mW • Peak Ringing Amplitude 95V, 5 REN • Sinusoidal or Trapezoidal Ringing Capability • Integrated CODEC Ringing Interface • Integrated MTU DC Characteristics • Low External Component Count • Pulse Metering and On Hook Transmission • Tip Open Ground Start Operation • Thermal Shutdown with Alarm Indicator • 28 Lead Surface Mount Packaging • Dielectric Isolated (DI) High Voltage Design • HC55183 - Integrated Battery Switch - 45dB Longitudinal Balance • HC55184 - Integrated Battery Switch - Silent Polarity Reversal - 45dB Longitudinal Balance • Pb-Free (RoHS Compliant) Applications • Wireless Local Loop (WLL) • Digital Added Main Line (DAML)/Pairgain • Integrated Services Digital Network (ISDN) • Small Office Home Office (SOHO) PBX • Cable/Computer Telephony Related Literature • AN9824, Spice Model Tutorial of the RSLIC18 AC Loop VRS VRX VTX -IN VFB F2 F1 F0 ILIM TIP RING SW+ SW- RTD RD DET ALM RINGING PORT 4-WIRE PORT CONTROL LOGIC BATTERY SWITCH TRANSMIT SENSING DETECTOR LOGIC DC CONTROL 2-WIRE PORT TEST ACCESS E0 POL CDC VBH VBL BSEL SWC |
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