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AM79231

Part Number	AM79231
Manufacturer	Legerity
Description	Intelligent Subscriber Line Interface Circuit
Published	Sep 8, 2005
Detailed Description	Intelligent Accessä Voice Solutions Am79231 Intelligent Subscriber Line Interface Circuit (ISLIC™) DISTINCTIVE CHARACTE...
Datasheet	AM79231 PDF File

Overview

Intelligent Accessä Voice Solutions Am79231 Intelligent Subscriber Line Interface Circuit (ISLIC™) DISTINCTIVE CHARACTERISTICS Monitor of two-wire interface voltages and currents supports — Voice transmission — Programmable DC feed characteristics — Independent of battery — Current limited — Selectable off-hook and ground-key thresholds — Subscriber line diagnostics — Leakage resistance — Loop resistance — Line capacitance — Bell capacitance — Foreign voltage sensing — Power cross and fault detection +5 V and battery supplies Dual battery operation for system power saving — Automatic battery switching — Intelligent thermal management Compatible with inexpensive protectio...

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