L3000 Datasheet - STMicroelectronics

L3000 SUBSCRIBER LINE INTERFACE KIT

L3000S L3030 SUBSCRIBER LINE INTERFACE KIT . . . . . . . . . . . . . . . . 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 ZER.

L3000 Features

* of the BORSHT functions : feed - Battery - Ringing - Signalling - Hybrid June 1997 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 ex

L3000 Datasheet (281.51 KB)