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L3000S

STMicroelectronics
Part Number L3000S
Manufacturer STMicroelectronics
Description SUBSCRIBER LINE INTERFACE KIT
Published Mar 22, 2005
Detailed Description L3000S L3030 SUBSCRIBER LINE INTERFACE KIT . . . . . . . . . . . . . . . . PRELIMINARY DAT A PROGRAMMABLE DC FEEDING ...
Datasheet PDF File L3000S PDF File

L3000S
L3000S

Overview
L3000S L3030 SUBSCRIBER LINE INTERFACE KIT .
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PRELIMINARY DAT A 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 (20dB at 10Hz and 35dB at 1kHz) POSSIBILITY TO WORK ALSO WITH HIGH COMMON MODE CURRENTS INTEGRATED THERMAL PROTECTION WITH THERMAL OVERLOAD INDICATION SURFACE MOUNT PACKAGE (PLCC44 + PowerSO-20) PLCC44...


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