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E-STLC3055N [WLL and ISDN-TA subscriber line interface circuit ]
other parts : STLC3055N
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.
■ 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