Description
●The STLC3055N is a SLIC device specifically designed for wireless local loop (WLL) and ISDN terminal adaptors (ISDN-TA) and VoIP applications. One of the distinctive characteristic of this device is the ability to operate with a single supply voltage (from 5.5 V to 12 V) and self generate the negative battery by means of an on chip DC/DC converter controller that drives an external MOS switch.
●The battery level is properly adjusted depending on the operating mode. A useful characteristic for these applications is the integrated ringing generator.
●The control interface is a parallel type with open drain output and 3.3 V logic levels.
●Features
●■ Monochip subscriber line interface circuit (SLIC) optimised for WLL and VoIP applications
●■ Implement all key features of the BORSHT function
●■ Single supply (5.5 V to 12 V)
●■ Built in DC/DC converter controller
●■ Soft battery reversal with programmable transition time.
●■ On-hook transmission.
●■ Programmable off-hook detector threshold
●■ Metering pulse generation and filter
●■ Integrated ringing
●■ Integrated ring trip
●■ Parallel control interface (3.3 V logic level)
●■ Programmable constant current feed
●■ Surface mount package
●■ Integrated thermal protection
●■ Dual gain value option
●■ BCD III S, 90 V technology
●■ -40 to +85 °C operating range
