Datasheet > CYG2911

CYG2911

更新时间： 2024-10-01 22:28:59

品牌	Logo	应用领域
CLARE		/
页数	文件大小	规格书
4页	49K
描述
Cybergate

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数据手册

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CYG2911 数据手册

CYG2911

Cybergate™

Description

Features

• Transformer signal coupling

• Complete ring detector circuit

• Low power hookswitch

• Electronic inductor/gyrator circuit

• Surge protection

• Caller ID pinout to external relay (optional)

• Transient protection zeners

• V.32 compatible

The CYG2911 is a Data Access Arrangement (DAA) mod-

ule providing a complete telephone line interface circuit in

a small 1.07" x 1.07" x 0.4" plastic package. This module

incorporates a circuit which signals HIGH when another

phone in parallel has been taken off-hook when the

CYG2911 is off-hook. This feature is important for cable

TV set-top boxes and direct broadcast satellite units

which must hang-up (go on-hook) when a consumer

needs the phone line to place a 911 or emergency call.

The module is designed to meet FCC Part 68 require-

ments thus providing a low-risk design solution.

• FCC Compatible

• PC board mountable

• Parallel telephone off-hook detection

Applications

Approvals

• UL 1950/UL1459

• Compatible with U.S. and Canadian phone lines

• Home medical devices

• Plant monitoring equipment

• Security/alarm systems

• Utility meters

• Network routers

• PBX systems

• Telephony applications

• Set top boxes

Ordering Information

Part #

Description

CYG2911

DAA Module

Block Diagram

CYG2911

R_LIM

RING

LINE 1

470Ω

LINE 2

GND

GYRATOR/

CALLER ID

HOOKSWITCH

CID1

CID2

911

RING

DETEC- PROTEC-

TION TION

SURGE

R_LIM

TIP

200k

47k

RING

Handling and Assembly Recommendations

The CYG2911 products are not hermetically sealed and should not be exposed to any liquid-based rinsing processes. Clare recommends two (2) approaches. The modem

should either use a no clean soldering flux that would mostly evaporate during the normal wave soldering processes, or be soldered in by hand after the rest of the card

is wave soldered.

DS-CYG2911-R1

www.clare.com

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