HC-5509A1 Intersil Corporation, HC-5509A1 Datasheet

HC-5509A1

Manufacturer Part Number

HC-5509A1

Description

Slic Subscriber Line Interface Circuit

Manufacturer

Intersil Corporation

Datasheet

1.HC-5509A1.pdf (10 pages)

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PRELIMINARY

May 1997

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

1-888-INTERSIL or 321-724-7143

Features

• DI Monolithic High Voltage Process

• Compatible with Worldwide PBX and CO Performance

• Controlled Supply of Battery Feed Current with Programmable

• Operates with 5V Positive Supply (V

• Internal Ring Relay Driver and a Utility Relay Driver

• High Impedance Mode for Subscriber Loop

• High Temperature Alarm Output

• Low Power Consumption During Standby Functions

• Switch Hook, Ground Key, and Ring Trip Detection

• Selective Power Denial to Subscriber

• Voice Path Active During Power Denial

• On Chip Op-Amp for 2 Wire Impedance Matching

Applications

• Solid State Line Interface Circuit for PBX or Central Office

• Hotel/Motel Switching Systems

• Direct Inward Dialing (DID) Trunks

• Voice Messaging PBX’s

• High Voltage 2W/4W, 4W/2W Hybrid

Ordering Information

Pinouts

HC1-5509A1-5

HC1-5509A1-9

HC3-5509A1-5

HC3-5509A1-9

HC4P5509A1-5

HC4P5509A1-9

HC9P5509A1-5

PART NUMBER

Requirements

Current Limit

Systems, Digital Loop Carrier Systems

OUT 1

HC-5509A1 (PDIP, CDIP, SOIC)

ILMT

GKD

SHD

ALM

-IN 1

VB+

TST

TIP

TOP VIEW

TEMP. RANGE

-40

Intersil (and design) is a registered trademark of Intersil Americas Inc.

to +75

to +85

VB-

VFB

PRI

VTX

LAO

VRX

RFS

RING

B+

28 Lead Ceramic DIP

28 Lead Plastic DIP

44 Lead PLCC

28 Lead SOIC

)

PACKAGE

TRUTH TABLE

Normal Loop Feed

RD Active

Power Down Latch

RESET

Power on RESET

Loop Power

Denial Active

8-131

ACTION

Description

The HC-5509A1 telephone Subscriber Line Interface Circuit

integrates most of the BORSCHT functions on a monolithic

IC. The device is manufactured in a Dielectric Isolation (DI)

process and is designed for use as a high voltage interface

between the traditional telephone subscriber pair (Tip and

Ring) and the low voltage filtering and coding/decoding func-

tions of the line card. Together with a secondary protection

diode bridge and “feed” resistors, the device will withstand

1000V lightning induced surges, in plastic packages. The

SLIC also maintains specified transmission performance in

the presence of externally induced longitudinal currents. The

BORSCHT functions that the SLIC provides are:

x Battery Feed with Subscriber Loop Current Limiting

x Overvoltage Protection

x Ring Relay Driver

x Supervisory Signaling Functions

x Hybrid Functions (with External Op-Amp)

x Test (or Battery Reversal) Relay Driver

In addition, the SLIC provides selective denial of power to

subscriber loops, a programmable subscriber loop current

limit from 20 to 60mA, a thermal shutdown with an alarm out-

put and line fault protection. Switch hook detection, ring trip

detection and ground key detection functions are also incor-

porated in the SLIC device.

The HC-5509A1 SLIC is ideally suited for line card designs

in PBX and CO systems, replacing traditional transformer

solutions.

HC-5509A1

Subscriber Line Interface Circuit

SHD

GKD

ALM

TST

N/C

18 19 20 21 22 23 24 25 26 27 28

HC-5509A1 (PLCC)

TOP VIEW

x x

x x x x x

x x

x x x x

x x

x x x x

x x

x x x x

x x

x x x x

x x

File Number

3567.1

TF2

VFB

PRI

VTX

LAO

N/C

SLIC

Related parts for HC-5509A1

HC-5509A1 Summary of contents

Page 1

... Lead Ceramic DIP detection and ground key detection functions are also incor- 28 Lead Ceramic DIP porated in the SLIC device. 28 Lead Plastic DIP The HC-5509A1 SLIC is ideally suited for line card designs 28 Lead Plastic DIP in PBX and CO systems, replacing traditional transformer 44 Lead PLCC solutions. ...

Page 2

... Longitudinal Current Capability Insertion Loss 2W/4W 4W/2W 4W/4W Frequency Response Level Linearity and Absolute Delay Specifications HC-5509A1 Operating Conditions Operating Temperature Range HC-5509A1- HC-5509A1- -40 Storage Temperature Range . . . . . . . . . . . . . . . . . - Relay Drivers +5V to +12V o C Positive Power Supply ( Negative Power Supply (V Loop Resistance (R ) ...

Page 3

... TIP to Ground RING to Ground TIP and RING to Ground Switch Hook Detection Threshold Ground Key Detection Threshold Thermal ALARM Output Ring Trip Comparator Threshold Dial Pulse Distortion Specifications HC-5509A1 = -48V +5V 0V. All A.C. Parameters are B- B+ (Continued) TEST CONDITIONS 300Hz to 3400Hz ...

Page 4

... Function Address # TTL and CMOS compatible input used with F0 function address line to externally select logic functions. The three selectable functions are mutually exclusive. See Truth Table on page1. F1 should be toggled high after power is applied. Specifications HC-5509A1 = -48V +5V 0V. All A.C. Parameters are ...

Page 5

... DG Digital Ground - To be connected to zero potential - serves as reference for all digital inputs and outputs on the SLIC Battery Ground - Tube connected to zero potential. All loop current and some quiescent current flows into this terminal. HC-5509A1 DESCRIPTION and I . TIP RING 8-135 ...

Page 6

... NC No internal connection. 15, 16, 17, 21, 23, 26, 28, 29, 30 NOTE: 1. All grounds (AG, BG, DG) must be applied before V to run separate grounds off a line card, the AG must be applied first. HC-5509A1 DESCRIPTION Failure may result in premature failure of the part user wishes B+ B- 8-136 ...

Page 7

... Thermal Constants ( C/W) Ceramic DIP . . . . . . . . . . . . . . . . . . . . Plastic DIP . . . . . . . . . . . . . . . . . . . . . . PLCC . . . . . . . . . . . . . . . . . . . . . . . . . . SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . Overvoltage Protection and Longitudinal Current Protection The SLIC device, in conjunction with an external protection bridge, will withstand high voltage lightning surges and power line crosses. HC-5509A1 VFB VTX THERM LTD FAULT DET RF2 ...

Page 8

... Functional Diagram (Continued) PLCC VRX OUT 1 - AMP + R/2 RF1 2R 2R SHD 25k RTD GKD LA + 25k 90k VB/2 REF LAO C2 HC-5509A1 VTX VB VFB 38 32 THERM LTD FAULT DET RF2 ILMT 8-138 ...

Page 9

... INJ KEY NOTE: PRI is an independent switch driven by TTL input lev- HC-5509A1 RELAY DRIVER ...

Page 10

... Additional information is contained in Application Note 549, “The HC-550X Telephone SLICs” By Geoff Phillips HC-5509A1 +5V SYSTEM CONTROLLER K1 SHD GKD PRI RS TEST TIP R B2 TF1** TF2** VB- SLIC HC-5509A1 RF2 RF1 RFS RB4 (MAX) RING *** VB VB+ C1 CF2 ...

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