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HC55171B
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MFG:Harris Package Cooled:Original

HC5 Series Datasheet download

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Part Number: HC55171B

MFG: Harris

Package Cooled: Original

Description: The HC55171B low cost, 5 REN ringing SLIC is designed to accommodate a wide variety of short loop applications and prov...

HC55171B General Description

The HC55171B low cost, 5 REN ringing SLIC is designed to accommodate a wide variety of short loop applications and provides the same degree of flexibility as the high performance HC55171. The flexible features include open circuit tip to ring DC voltages, user defined ringing waveforms, ring trip detection thresholds, and loop current limits that can be tailored for many applications. Additional features of the HC55171B are complex impedance matching, pulse metering, and transhybrid balance. The HC55171B is designed for use in short loop, low cost systems where traditional ring generation is not economically feasible.

The device is manufactured in a high voltage Dielectric Isolation (DI) process. The DI process provides substrate latch up immunity, resulting in a robust system design. A thermal shutdown with an alarm output and line fault protection are also included for operation in harsh environments.

HC55171B Maximum Ratings

Maximum Supply Voltages
(VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +7V
(VCC)-(VBAT). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90V
Relay Drivers . . . . . . . . . .. . . . . . . . . . . . . . . . . . . -0.5V to +15V

HC55171B Features

• Load Drive Capability . . . . . . . . . . . . . . . . . . . . . . . 5REN
• Trapezoidal, Square or Sine Wave Capability
• Ringing from -80V Battery . . . . . . . . . . . . . . . . . . . 75VP-P
• Ringing from -75V Battery . . . . . . . . . . . . . . . . . . . 70VP-P
• Ringing Current Independent of Loop Current Setting
• Ringing Crest Factor Independent of REN Loading
• Latchup Immune to Inductive Kick Back and Hot Plug
• Fax, Answering Machine and MTU Compatible
• Resistive and Complex Impedance Matching
• Programmable Loop Current Limit
• Switch Hook, Ring Trip and Ground Key Detection
• Single Low Voltage +5V Supply

HC55171B Typical Application

• Solid State Line Interface Circuit for Hybrid Fiber Coax, Set Top Box, Voice/Data Modems
• Related Literature
          - AN9607, Impedance Matching Design Equations
          - AN9628, AC Voltage Gain
          - AN9636, Implementing an Analog Port for ISDN
          - AN549, The HC-5502/4X Telephone SLIC

HC55171B Connection Diagram

HC55171B datasheet

HC55171B
PDF/DataSheet Download

Datasheet: HC55171B
File Size: 90084 KB
Manufacturer: INTERSIL [Intersil Corporation]
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Related Part Number

HC55171B Relative Products

HC55171
The HC55171 is backward compatible to the HC5517 with the added capability of driving 5 REN loads. The HC55171 is ideal for any modem or remote networking access application that requires plain old telephone service POTS, capability. The linear amplifier des...
HC5517
he HC5517 is a ringing SLIC designed to accommodate a wide variety of local loop applications. The various applications include, basic POTS lines with answering machines and fax capabilities, ISDN networks, wireless local loop, and hybrid fiber coax (HFC) te...
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HC55151
The UniSLIC14 is a family of Ultra Low Power SLICs. The feature set and common pinouts of the UniSLIC14 family positions it as a universal solution for: Plain Old Telephone Service (POTS), PBX, Central Office, Loop Carrier, Fiber in the Loop, ISDN-TA and NT1...
HC55150CMZ
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