STLC3055N - ST Microelectronics

STLC3055N WLL & ISDN-TA SUBSCRIBER LINE INTERFACE CIRCUIT

ObThe STLC3055N is a SLIC device specifically LQFP44 generate the negative battery by means of an on chip DC/DC converter controller that drives an external MOS switch. The battery level is pr.

Features

■ Monochip subscriber line interface circuit (SLIC) optimised for WLL and VoIP applications )
■ Implement all key features of the BORSHT t(sfunction c
■ Single supply (5.5 V to 12 V) du
■ Built in DC/DC converter controller ro
■ Soft battery reversal with programmable Ptransition time. te
■ On-hook transmission. le
■ Programmable off-hook detector threshold o
■ Metering pulse generation and filter bs
■ Integrated ringing O
■ Integrated ring trip ) -
■ Parallel control interface (3.3 V logic level) t(s
■ Programmable constant current feed c
■ Surface mount package du
■ Integrated thermal protection ro
■ D.