Product Summary

The MH88612BV-K is a subscriber line interface circuit (SLIC). The MH88612BV-K provides a complete interface between a switching system and a subscriber loop. Functions provided include battery feed and ringing feed to the subscriber line, 2-Wire to 4-Wire hybrid interfacing, constant current feed with constant voltage foldback, and dial pulse detection. The MH88612BV-K is fabricated using thick film hybrid technology in a 20-pin single in-line package.

Parametrics

MH88612BV-K absolute maximum ratings: (1)DC Supply Voltage LPGND = AGND: -0.3 to 40 V; (2)Storage Temperature TS: -40 to 100 ℃; (3)Package Power Dissipation PD: 2 W; (4)Relay Driver Current IRLY: 100 mA.

Features

MH88612BV-K features: (1)Transformerless 2-wire to 4-wire conversion; (2)Battery and ringing feed to line; (3)Off-hook and dial pulse detection; (4)Ring ground over-current protection; (5)Constant current feed with constant voltage foldover; (6)Relay driver; (7)Power Denial; (8)Wide Operating Range; (9)Pin for pin compatible 600R and 900R variants.

Diagrams

MH88612BV-K pin connection

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