(China (Mainland))
Product Summary
The TCM1520AP is a monolithic ring-detection integrated circuit designed for use in isolated or nonisolated telephone applications. The device uses a modified form of the Texas Instruments BIDFET technology to combine low-voltage CMOS and high-voltage bipolar input/output circuitry. The TCM1520AP features efficient high-voltage (40 V to 150 V) operation with a typical current drain of 1 mA.The TCM1520AP incorporates lightning and transient protection that is designed to withstand lightning strikes of 1.5-kV amplitude and 200-ms duration and also features built-in circuitry to avoid tapping or false triggering due to transients.
Parametrics
TCM1520AP absolute maximum ratings: (1)Continuous supply voltage at C FILTER: 40 V; (2)Continuous differential input voltage, VID (AC INPUT): 40 V; (3)Continuous output current at 5-V OUTPUT, IO: 12 mA; (4)Continuous SCR on-state input current: 200 mA; (5)SCR on-state input current, II(on) (duration 3200 ms): 900 mA; (6)Operating free-air temperature range, TA: –40℃ to 105℃; (7)Storage temperature range: –40℃ to 125℃; (8)Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: 260℃.
Features
TCM1520AP features: (1)On-Chip 150-V Bridge Diode Configuration; (2)Reliable BIDFET Technology; (3)High Standby Impedance: 1 MΩ Typ; (4)Efficient High-Voltage Operation; (5)Output Compatible With TTL, NMOS, and CMOS; (6)Built-In 5-V Series Regulator; (7)Built-In Lightning and Transient Protection.
Diagrams
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