LE75183DDSC datasheet, PDF - EEWORLD Datasheet

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LE75183DDSC: DescriptionTelecom Circuit, 1-Func, PDSO20, GREEN, PLASTIC, SOIC-20; CategoryTelecom circuit; File Size441KB，26 Pages; ManufacturerZarlink Semiconductor (Microsemi); Websitehttp://www.zarlink.com/; Environmental Compliance

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LE75183DDSC Overview

Telecom Circuit, 1-Func, PDSO20, GREEN, PLASTIC, SOIC-20

LE75183DDSC Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Zarlink Semiconductor (Microsemi)
package instruction	SOP, SOP20,.4
Reach Compliance Code	unknown
JESD-30 code	R-PDSO-G20
JESD-609 code	e3
length	12.8 mm
Number of functions	1
Number of terminals	20
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP20,.4
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
power supply	5 V
Certification status	Not Qualified
Maximum seat height	2.65 mm
Maximum slew rate	0.0021 mA
Nominal supply voltage	5 V
surface mount	YES
Telecom integrated circuit types	TELECOM CIRCUIT
Temperature level	INDUSTRIAL
Terminal surface	MATTE TIN
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
width	7.5 mm
Base Number Matches	1

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™

Le75183

Voice Solution

Central office

DLC

PBX

DAML

HFC/FITL

Line Card Access Switch

VE750 Series

DESCRIPTION

The VoiceEdge™ family VE750 series of Line Card Access

Switches (LCAS), which includes the Le75181, Le75282 and

Le75183 devices, is a family of monolithic solid-state switches

that is designed to provide both power ringing access and test

access on the analog line card. These devices, while not a pin-

for-pin replacement for the traditional electromechanical relay

(EMR) solution, provide the equivalent switching functionality.

The VE750 series of LCAS is meant as a solid-state alternative

to the EMRs.

The Le75183A/B/C/D devices are pin-for-pin compatible with

Legerity’s L7583A/B/C/D devices.

Legerity also offers a range of compatible SLIC devices and

codec/filters that can be used with the VE750 series LCAS for

complete line card solutions that can be used worldwide in

analog line card applications.

APPLICATIONS

FEATURES

Small size/surface-mount packaging

Monolithic IC reliability

Low impulse noise

Make-before-break, break-before-make operation

Clean, bounce-free switching

Low, matched ON-resistance

Built-in current limiting, thermal shutdown, and SLIC

protection

5-V only operation, very low power consumption

Battery monitor, all OFF state upon loss of battery

No EMI

Latched logic level inputs, no drive circuitry

Only one external protector required

TTL logic control compatible

Default power up state

ORDERING INFORMATION

Device

Le75183ADSC

Le75183BDSC

Le75183CDSC

Le75183DDSC

LE75183AFQC

Le75183BFQC

Le75183CFQC

Le75183DFQC

Le75183AFSC

Le75183BFSC

Le75183CFSC

Le75183CZFSC

Le75183DFSC

The green package meets RoHS Directive 2002/95/EC of the

European Council to minimize the environmental impact of

electrical equipment.

For delivery using a tape and reel packing system, add a "T" suffix

to the OPN (Ordering Part Number) when placing an order.

28-pin SOIC (GULL)

Tube

32-Pin QFN

Tray

20-Pin SOIC (GULL)

Tube

Package Type

Packing

RELATED LITERATURE

081123 Le75282 Dual Intelligent Line Card Access

Switch Data Sheet

081105 Le75181 Ringing Access Switch Data Sheet

080754 Le58QL061/063 QLSLAC Data Sheet

080676 Le5711 Dual SLIC Data Sheet

081047 Le5712 Dual SLIC Data Sheet

NOTE: On August 3, 2007, Zarlink Semiconductor acquired the products and

technology of Legerity Holdings.

Document ID#

081105

Date:

Rev:

Version:

Distribution:

Public Document

Sep 18, 2007

Le75183

TABLE OF CONTENTS

Data Sheet

Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Related literature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Environmental Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Electrical Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Handling Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Summary of Assumptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Supply Currents and Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Device Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Zero Cross Current Turn Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Switching Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Loss of Battery Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Impulse Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Integrated SLIC Device Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Typical Performance Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Physical Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

28-Pin, Plastic SOIC (GULL) (Le75183AESC/BESC/CESC/CZESC/DESC) . . . . . . . . . . . . . . . .22

20-Pin, Plastic SOIC (GULL) (Le75183ASC/BSC/CSC/DSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

32-Pin QFN (Le75183QC/BEQC/CQC/DQC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Revision history. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Revision A1 to B1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Revision B1 to C1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Revision C1 to C2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Zarlink Semiconductor Inc.

Le75183

PRODUCT DESCRIPTION

Data Sheet

The Le75183A/B/C/D Line Card Access Switch is a monolithic solid-state device providing the equivalent switching functionality

of three 2 form C switches. The Le75183 is designed to provide power ringing access, line test access (test out), and SLIC test

access (test in) to tip and ring in central office, digital loop carrier, private branch exchange, digitally added main line, and hybrid

fiber coax/fiber-in-the-loop analog line card applications. An additional pair of solid-state contacts are also available to provide

access for testing of the ringing generator.

The Le75183A/B has seven states: the idle talk state (line break switches closed, all other switches open), the power ringing state

(ringing access switches closed, all other switches open), loop access (test out) state (loop access (test out) switches closed, all

other switches open), SLIC test state (test in switches closed, all other switches open), simultaneous loop and SLIC access state

(loop and test in switches closed, all others open), ringing generator test state (ring test switches closed, all others open), and

an all OFF state. The seven states in the Le75183A/B are also in the Le75183C/D, with an additional simultaneous test-out and

ring-test state, making the Le75183C/D appropriate for digital loop carrier and other Telcordia TR-57 applications.

The Le75183 offers break-before-make or make-before-break switching, with simple logic level input control. Because of the

solid-state construction, voltage transients generated when switching into an inductive ringing lead during ring cadence or ring

trip are minimized, possibly eliminating the need for external zero cross switching circuitry. State control is via logic level inputs,

so no additional driver circuitry is required.

The line break switch is a linear switch that has exceptionally low ON-resistance and an excellent ON-resistance matching

characteristic. The ringing access switch has a breakdown voltage rating >480 V which is sufficiently high, with proper protection,

to prevent breakdown in the presence of a transient fault condition (i.e., passing the transient on to the ringing generator).

Incorporated into the Le75183A and Le75183C is a diode bridge/SCR clamping circuit, current-limiting circuitry, and a thermal

shutdown mechanism to provide protection to the SLIC device and subsequent circuitry during fault conditions. This is shown in

block diagram as version A/C. Positive and negative lightning is reduced by the current-limiting circuitry and steered to ground

via diodes and the integrated SCR. Power cross is also reduced by the current-limiting and thermal shutdown circuits.

The Le75183B and Le75183D versions provide only an integrated diode bridge along with current limiting and thermal shutdown

(see block diagram for version B/D). This will cause positive faults to be directed to ground and negative faults to battery. In either

polarity, faults are reduced by the current-limit and/or thermal shutdown mechanisms.

To protect the Le75183 from an overvoltage fault condition, use of a secondary protector is required. The secondary protector

must limit the voltage seen at the tip/ring terminals to prevent the breakdown voltage of the switches from being exceeded. To

minimize stress on the solid-state contacts, use of a foldback- or crowbar- type secondary protector is recommended. With proper

choice of secondary protection, a line card using the Le75183 will meet all relevant ITU-T, LSSGR, FCC, or UL* protection

requirements.

The Le75183 operates off of a 5-V supply only. This gives the device extremely low idle and active power dissipation and allows

use with virtually any range of battery voltage. This makes the Le75183 especially appropriate for remote power applications

such as DAML or FOC/FITL or other Telcordia TA 909 applications where power dissipation is particularly critical.

A battery voltage is also used by the Le75183, only as a reference for the integrated protection circuit. The Le75183 will enter an

all OFF state upon loss of battery.

During power ringing, to turn on and maintain the ON state, the ring access switch and ring test switch will draw a nominal 2 mA

from the ring generator.

The default power up state of Le75183 is in all OFF state, unless otherwise being overwritten by external controls.

The Le75183 device is packaged in a 20-pin, plastic SOIC (GULL) (Le75183ASC/BSC/CSC/DSC), a 32-pin QFN (Le75183AQC/

BQC/CQC/DQC), and a 28-pin, plastic SOIC (GULL) (Le75183AESC/BESC/CESC/CZESC/DESC). The 28-pin package is

available to support existing designs. For new designs, it may be advantageous to use the other two packages for smaller in size.

Zarlink Semiconductor Inc.

LE75183DDSC Related Products

	LE75183DDSC	LE75183DFSCT	LE75183DDSCT	LE75183DFSC	LE75183DFQCT	LE75183DFQC
Description	Telecom Circuit, 1-Func, PDSO20, GREEN, PLASTIC, SOIC-20	Telecom Circuit, 1-Func, PDSO28, GREEN, PLASTIC, SOIC-28	Telecom Circuit, 1-Func, PDSO20, GREEN, PLASTIC, SOIC-20	Telecom Circuit, 1-Func, PDSO28, GREEN, PLASTIC, SOIC-28	Telecom Circuit, 1-Func, GREEN, MO-220, QFN-32	Telecom Circuit, 1-Func, GREEN, MO-220, QFN-32
Is it Rohs certified?	conform to	conform to	conform to	conform to	conform to	conform to
Maker	Zarlink Semiconductor (Microsemi)	Zarlink Semiconductor (Microsemi)	Zarlink Semiconductor (Microsemi)	Zarlink Semiconductor (Microsemi)	Zarlink Semiconductor (Microsemi)	Zarlink Semiconductor (Microsemi)
package instruction	SOP, SOP20,.4	SOP, SOP28,.4	SOP, SOP20,.4	SOP, SOP28,.4	HVQCCN, LCC32,.32SQ,32	HVQCCN, LCC32,.32SQ,32
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown
JESD-30 code	R-PDSO-G20	R-PDSO-G28	R-PDSO-G20	R-PDSO-G28	S-XQCC-N32	S-XQCC-N32
JESD-609 code	e3	e3	e3	e3	e3	e3
length	12.8 mm	17.9 mm	12.8 mm	17.9 mm	8 mm	8 mm
Number of functions	1	1	1	1	1	1
Number of terminals	20	28	20	28	32	32
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	UNSPECIFIED	UNSPECIFIED
encapsulated code	SOP	SOP	SOP	SOP	HVQCCN	HVQCCN
Encapsulate equivalent code	SOP20,.4	SOP28,.4	SOP20,.4	SOP28,.4	LCC32,.32SQ,32	LCC32,.32SQ,32
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	SQUARE	SQUARE
Package form	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
power supply	5 V	5 V	5 V	5 V	5 V	5 V
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	2.65 mm	2.65 mm	2.65 mm	2.65 mm	1 mm	1 mm
Maximum slew rate	0.0021 mA	0.0021 mA	0.0021 mA	0.0021 mA	0.0021 mA	0.0021 mA
Nominal supply voltage	5 V	5 V	5 V	5 V	5 V	5 V
surface mount	YES	YES	YES	YES	YES	YES
Telecom integrated circuit types	TELECOM CIRCUIT	TELECOM CIRCUIT	TELECOM CIRCUIT	TELECOM CIRCUIT	TELECOM CIRCUIT	TELECOM CIRCUIT
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal surface	MATTE TIN	MATTE TIN	MATTE TIN	MATTE TIN	MATTE TIN	MATTE TIN
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	NO LEAD	NO LEAD
Terminal pitch	1.27 mm	1.27 mm	1.27 mm	1.27 mm	0.8 mm	0.8 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	QUAD	QUAD
width	7.5 mm	7.5 mm	7.5 mm	7.5 mm	8 mm	8 mm
Base Number Matches	1	1	1	1	1	1

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