Datasheet > CPC75282KATR

CPC75282KATR

更新时间： 2024-11-18 06:48:27

品牌	Logo	应用领域
CLARE		/
页数	文件大小	规格书
19页	667K
描述
Line Card Access Switch

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数据手册

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CPC75282KATR 数据手册

CPC75282

Line Card Access Switch

Features

Description

• Improved Switch dV/dt Immunity of 1500V/μs

• Smart logic for power-up/hot-plug state control

• Small 44-pin TQFP Package

• Monolithic IC reliability

The CPC75282 Dual Line Card Access Switch

(LCAS), a member of Clare’s next generation Line

Card Access Switch family, is a monolithic solid state

device that provides the switching functionality of four

2-Form-C relays in a single, small, economical

package.

• Low, matched R

• Eliminates the need for zero-cross switching

• Flexible switch timing to transition from ringing mode

to talk mode.

The CPC75282 Dual LCAS device is designed to

provide ringing and test access to the telephone loop

in Central Office, Digitally Added Main Line, Private

Branch Exchange, Digital Loop Carrier, and Hybrid

Fiber Coax/Fiber-In-The-Loop analog line card

applications. Test access switches provide access to

the telephone loop for line (drop) test or message

waiting in the PBX application.

• Clean, bounce-free switching

• Tertiary protection consisting of integrated current

limiting, voltage clamping, and thermal shutdown for

SLIC protection

• 5V operation with very low power consumption

• Intelligent battery monitor

• Latched logic-level inputs, no external drive circuitry

required

Ordering Information

Applications

• VoIP Gateways

Part #

Description

• Central Office (CO)

• Digital Loop Carrier (DLC)

• PBX Systems

CPC75282KATR 44-Pin TQFP, Tape & Reel (1000/Reel)

• Digitally Added Main Line (DAML)

• Hybrid Fiber Coax (HFC)

• Fiber In The Loop (FITL)

• Pair Gain System

• Channel Banks

Figure 1. CPC75282 Block Diagram

V_DD

9,25

T_TEST137

1/2 - CPC75282

(Channel 1)

T_RINGING1

SW5

SW3

T_BAT1

T_LINE1

SW1

Battery

Monitor

SW2

R_LINE134

R_BAT1

SW6

SW4

R_RINGING130

CH1

CH2

15 P2

17 LATCH₁

R_TEST1

Switch

Control

Logic

LATCH₂

28 TSD₁

TSD₂

OFF₁

OFF₂

RoHS

2002/95/EC

F_GND1

11,23

D_GND

8,26

V_BAT

e₃

CFG

DS-CPC75282 - R00D

www.clare.com

12 3 4 5 6 7...19

中文翻译

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