CPC7594BA datasheet(1/20 Pages) IXYS

Part #	CPC7594BA

Description	TTL Logic Level Inputs for 3.3V Logic Interfaces

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Manufacturer	IXYS [IXYS Corporation]

Direct Link	http://www.ixys.com

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INTEGRATED CIRCUITS DIVISION

e3

Pb

DS-CPC7594-R04

www.ixysic.com

1

Features

• TTL Logic Level Inputs for 3.3V Logic Interfaces

• Smart Logic for Power Up / Hot Plug State Control

• Monolithic IC Reliability

• Low Matched R

ON

• Eliminates the Need for Zero-Cross Switching

• Flexible Switch Timing to Transition from Ringing

Mode to Talk Mode.

• Clean, Bounce-Free Switching

• Tertiary Protection Consisting of Integrated Current

Limiting, Voltage Clamping, and Thermal Shutdown

for SLIC Protection

• 5V Operation with Power Consumption < 10 mW

• Intelligent Battery Monitor

• Latched Logic-Level Inputs, no External Drive

Circuitry Required

• Small 16-pin SOIC Package

Applications

• VoIP Gateways

• Central office (CO)

• Digital Loop Carrier (DLC)

• PBX Systems

• Digitally Added Main Line (DAML)

• Hybrid Fiber Coax (HFC)

• Fiber in the Loop (FITL)

• Pair Gain System

• Channel Banks

Description

The CPC7594 is a member of IXYS Integrated

Circuits Division’s next generation Line Card Access

Switch family. This monolithic 6-pole solid-state switch

is available in a 16-pin SOIC package. It provides the

necessary functions to replace two 2-Form-C

electro-mechanical relays used on traditional analog

and contemporary integrated voice and data (IVD) line

cards found in Central Office, Access, and PBX

equipment. Because this device contains solid state

switches for tip and ring line break, ringing

injection/return, and channel test access, it requires

only a +5V supply for operation, and TTL logic-level

inputs for control.

The CPC7594 is particularly designed for IVD line

cards where an EMR is required for line test due to the

high frequencies typical of ADSL, but solid-state

switches are desired for switching and test-in

functions.

Ordering Information

Figure 1. CPC7594 Block Diagram

Part #

Description

CPC7594BA

16-Pin SOIC, with Protection SCR, 50/Tube

CPC7594BATR

16-Pin SOIC, with Protection SCR, 1000/Reel

CPC7594

T

LINE

R

LINE

T

BAT

V

DD

R

BAT

D

GND

V

BAT

F

GND

V

REF

IN

TEST

IN

RINGING

T

SD

LATCH

4

13

3

6

7

8

15

2

14

9

10

11

L

A

T

C

H

Switch

Control

Logic

+5V

DC

SLIC

1

XSW5

T(T

)

TEST

CHANTEST

6

XSW6

R(R

)

TEST

CHANTEST

5

X

T

RINGING

SW3

X

SW2

SW1

Secondary

Protection

Tip

Ring

12

XSW4

300

(min.)

Ω

RINGING

V

BAT

R

RINGING

SCR Trip Circuit

CPC7594

Line Card Access Switch

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