HC55182DIM Intersil Corporation, HC55182DIM Datasheet

HC55182DIM

Manufacturer Part Number

HC55182DIM

Description

PLCC28

Manufacturer

Intersil Corporation

Datasheets

1.HC55182DIM.pdf (19 pages)

2.HC55182DIM.pdf (19 pages)

Specifications of HC55182DIM

Date_code

08+

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Extended Reach Ringing SLIC Family

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 RSLIC18 family operates to 100V which translates

directly to the amount of ringing voltage supplied to the end

subscriber. With the high operating voltage, subscriber loop

lengths can be extended 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 ﬁve product offerings in the RSLIC18 family:

HC55180, HC55181, HC55182, 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

RING

SW+

ILIM

SW-

TIP

POL

CONTROL

ACCESS

2-WIRE

PORT

TEST

CDC

RTD RD

DETECTOR

VBL

TRANSMIT

BATTERY

SENSING

SWITCH

LOGIC

The RSLIC18 family of

ringing subscriber line

interface circuits (RSLIC)

supports analog Plain Old

Telephone Service (POTS) in

VBH

DET ALM

HC55180, HC55181, HC55182, HC55183, HC55184

Data Sheet

CONTROL

RINGING

4-WIRE

BSEL

LOGIC

PORT

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

SWC

VRS

VRX

VTX

-IN

VFB

Features

• Battery Operation to 100V

• 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

• HC55180

• HC55181

• HC55182

• HC55183

• HC55184

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

• AN9814, User’s Guide for Development Board

• AN9824, Modeling of the AC Loop

• AN TBD, Interfacing to DSP CODECs

- Silent Polarity Reversal

- 53dB Longitudinal Balance

- Loopback Test Capability

- Integrated Battery Switch

- Silent Polarity Reversal

- 58/53dB Longitudinal Balance

- Loopback and Test Access Capability

- Integrated Battery Switch

- 58/53dB Longitudinal Balance

- Loopback and Test Access Capability

- Integrated Battery Switch

- 45dB Longitudinal Balance

- Integrated Battery Switch

- Silent Polarity Reversal

- 45dB Longitudinal Balance

October 1998

RSLIC18™ is a trademark of Intersil Corporation.

File Number 4519.4

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