L3037 Datasheet (STMicroelectronics) - SUBSCRIBER LINE INTERFACE CIRCUIT

L3037, SUBSCRIBER LINE INTERFACE CIRCUIT

The L3037 subscriber line interface circuit is a bipolar device in 70V technology developed for central office / loop carrier and private applications.

The L3037 is pin to pin and function compatible with L3035/36.

One particular pin (reserved in L3035/36) is now used for reverse polarity transition

L3037 Features

* OF THE BORSCHT FUNCTION SOFT BATTERY REVERSAL WITH PROGRAMMABLE TRANSITION TIME (3 to 100ms) METERING PULSE INJECTION AND FILTERING WITH MINIMAL COMPONENTS COUNT (NO TRIMMING REQUIRED). PROTECTION RESISTOR MISMATCH COMPENSATION ON HOOK TRANSMISSION LOOP START/GROUND START FEATURE IND TEMP. RANGE: -4