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Home > Semiconductors > ICs > STMicroelectronics SGS L3000SX Subscriber line interface kit in 20-pin

STMicroelectronics SGS L3000SX Subscriber line interface kit in 20-pin

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SGS L3000 Subscriber line interface kit in 20-pin PowerSO package. Operational temperature range from 0°C to 70°C. SMD

STMicroelectronics SGS L3000SX Subscriber line interface kit in 20-pin

Details

L3000SX STMicroelectronics SGS L3000 Subscriber line interface kit in 20-pin PowerSO package.

The ST SLIC KIT is a set of solid state devices designed to integratemain of the functions needed to interface a telephone line. It consists of 2 integrated devices : the L3000S line interface circuit and the L3030 control unit. This kit performs the main features of the BORSHT functions : feed - Battery - Ringing - Signalling - Hybrid

Additional functions, such as battery reversal, extra batteryuse, line overvoltagesensing and meteringpulse injection are also featured ; most external characteristics,as AC and DC impedances,are programmable with external components.The SLIC injects ringing in balanced mode and for that, as well as for the operation in battery boosted, a positive battery voltage shall be available on the subscriber card. As the right ringing signal amplification both in voltage and in current is provided by SLIC, the ring signal generatorshall onlyprovide a low level signal (0.285Vrms). This kit is fabricatedusing a 140V Bipolar technology for a 12V Bipolar I2L technologyfor L3030 is available PLCC44 and L3000S in both FLEXIWATT15 and PowerSO-20 for surfacemount application. This kit is suitable for all the following applications: C.O. (CentralOffice),DLC (Digital LoopCarrier) and high range PABX (Private Automatic Branch Exchange).

PROGRAMMABLE DC FEEDING RESIS-TANCE AND LIMITINGCURRENT (fourvalues available) THREE OPERATING MODES : STAND-BY, CONVERSATION, RINGING NORMAL/BOOSTBATTERY, DIRECT/REVERSE POLARITY SIGNALLING FUNCTION (off-hook/GND-key) FILTERED OFF-HOOK DETECTION IN STAND-BY (10ms) QUICK OFF-HOOK DETECTION IN CONVERSATION 1ms) FOR LOW DIAL PULSE DETECTION DISTORTION HYBRID FUNCTION RINGING GENERATION WITH QUASI ZERO OUTPUT IMPEDANCE, ZERO CROSSING INJECTION (no ext. relay needed) AND RING TRIP DETECTION AUTOMATIC RINGING STOP WHEN OFFHOOK IS DETECTED PARALLEL AND SERIAL DIGITAL INTERFACES TELETAXE SIGNALINJECTION (2VRMS/5VRMS) LOW NUMBER OF EXTERNAL COMPONENTS GOOD REJECTION OF THE NOISE ON BATTERY VOLTAGE at 10Hz and at 1kHz) POSSIBILITY TO WORK ALSO WITH HIGH COMMON MODE CURRENTS INTEGRATED THERMAL PROTECTION WITH THERMAL OVERLOAD INDICATION SURFACE MOUNT PACKAGE + PowerSO-20)

Additional Information

L3000SX
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