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The Integrated Telecom Circuit combines a 1-Form-A solid state relay, bridge rectifier, Darlington transistor and optocoupler into one 16 pin SOIC package, consolidating designs and reducing component count in telecom applications. The ITC117's optocoupler provides for full wave detection of ring signals.
ITC117P Maximum Ratings
Parameter
Min
Typ
Max
Units
Total Package Dissipation
-
-
11
W
Isolation Voltage
-
Input to Output
3750
-
-
VRMS
Operational Temperature
-40
-
+85
Storage Temperature
-40
-
+125
Soldering Temperature (10 Seconds Max.)
-
-
+220
1 Above 25° derate linerity 8.33mw/°C Total Power Dissipation (PD): PD=PHOOKSWITCH + PBRIDGE + PDARLINGTON + PLED PD=(RDS(on)) (I2L) + 2(VF)(IL) + (VCE)(IL) + (VLED)(IF) WHERE: RDS(on) = Maximum realy on resistance IL = Maximum loop current VF = Maximum diode forward voltage VCE = Maximum voltage collector to emitter VLED = Maximum LED forward voltage IF = Maximum LED current
Absolute Maximum Ratings are stress ratings. Stresses in excess of these ratings can cause permanent damage to the device. Functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this data sheet is not implied. Exposure of the device to the absolute maximum ratings for an extended period may degrade the device and effect its reliability.
ITC117P Features
• Small 16 Pin SOIC Package (PCMCIA Compatible) • Board Space and Cost Savings • 2mW Hookswitch Drive Power (Logic Compatible) • No Moving Parts • 3750VRMS Input/Output Isolation • FCC Compatible Part 68 • Full-Wave Bridge Rectifier • Darlington Transistor for Electronic Inductor "Dry" Circuits • Full Wave Current Detector for Ring Signal or Loop Current Detect • JEDEC Standard Pin Out
ITC117P Typical Application
• Data/Fax Modem • Voice Mail Systems • Telephone Sets • Computer Telephony Integration • Set Top Box Modems