Product Summary

The swr0832a is a highly featured, very low cost Subscriber Line Interface Circuit (SLIC) with on-board ringing generator. It provides a single total analog transmission and signalling link between a CODEC and a subscriber line. All functions are integrated into a 14 pin dual in line (DIL) module, which provides high reliability and optimum circuit design needing a minimum of external components. The applications of the swr0832a include PABX, PCM, Modem, Key Telephone System, IP Gateway system, Wireless Desktop Phone, Set-top Box System, USB Phone Box.

Parametrics

swr0832a absolute maximum ratings: (1)DC Supply Voltages, Vcc: 3.3 to 6.6V; (2)Power Dissipation, PD: 2W; (3)Operating Temperature, To: 0 to 70℃.

Features

swr0832a features: (1)Single +3.3V~6.6V power supply; (2)Transformerless 2-wire to 4-wire conversion; (3)Battery feed to line; (4)Integral DC/DC converter; (5)Integral ringing generator; (6)Constant current feed; (7)Off-hook and dial pulse detection; (8)Tip/Ring Reversal; (9)Auto ring cut-off control; (10)Low power consumption.

Diagrams

swr0832a block diagram