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HC55171B Datasheet

Part Number HC55171B
Manufacturers Intersil Corporation
Logo Intersil Corporation
Description Low Cost 5 REN Ringing SLIC
Datasheet HC55171B DatasheetHC55171B Datasheet (PDF)

HC55171B Data Sheet July 1998 File Number 4422.1 Low Cost 5 REN Ringing SLIC for ISDN Modem/TA and WL 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 f.

  HC55171B   HC55171B






Part Number HC55171
Manufacturers Intersil Corporation
Logo Intersil Corporation
Description 5 REN Ringing SLIC
Datasheet HC55171B DatasheetHC55171 Datasheet (PDF)

HC55171 Data Sheet July 1998 File Number 4323.4 5 REN Ringing SLIC for ISDN Modem/TA and WLL 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 design allows a choice of Sinusoidal, Square wave or Trapezoidal ringing. The voltage feed architecture eliminates the need for a high current gain node.

  HC55171B   HC55171B







Low Cost 5 REN Ringing SLIC

HC55171B Data Sheet July 1998 File Number 4422.1 Low Cost 5 REN Ringing SLIC for ISDN Modem/TA and WL 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. Features • Load Drive Capability . . . . . . . . . . . . . . . . . . . . . . . 5 REN • 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 • Re.


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