CYG2911 Datasheet | Clare

Cybergate™ Features - Transformer signal coupling - plete ring detector circuit - Low power hookswitch - Electronic inductor/gyrator circuit - Surge protection - Caller ID pinout to external relay (optional) - Transient protection zeners - V.32 patible - FCC patible - PC board mountable - Parallel telephone off-hook detection Description The CYG2911 is a Data Access Arrangement (DAA) module providing a plete 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 requirements thus providing a low-risk design solution. Applications - Home medical devices - Plant monitoring equipment - Security/alarm systems - Utility meters - Network routers - PBX systems - Telephony applications - Set top boxes Approvals - UL 1950/UL1459 - patible with U.S. and Canadian phone lines Ordering Information Part # CYG2911 Description DAA Module Block Diagram LINE 1 LINE 2 1 2 GYRATOR/ CALLER...