HC55185集成电路（IC）的电信规格书PDF中文资料

The RSLIC-VoIP 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.

特性 Features

• Onboard Ringing Generation

• Compatible with Existing HC5518x Devices

• Low Standby Power Consumption (75V, 65mW)

• Reduced Idle Channel Noise

• 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

• Reduced Footprint Micro Leadframe Packaging

• Dielectric Isolated (DI) High Voltage Design

• QFN Package Option

    - Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Product Outline

    - Near Chip Scale Package Footprint; Improves PCB efficiency and has a thinner profile

• Pb-free plus anneal available (RoHS compliant)

Applications

• Voice Over Internet Protocol (VoIP)

• Cable Modems

• Voice Over DSL (VoDSL)

• Short Loop Access Platforms

• Remote Subscriber Units

• Terminal Adapters