WLL & ISDN-TA SUBSCRIBER LINE INTERFACE CIRCUIT
STLC3055N
WLL and ISDN-TA subscriber line interface circuit
Features
■ Monochip subscriber line interface circuit
(SL...
Description
STLC3055N
WLL and ISDN-TA subscriber line interface circuit
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■ Dual gain value option P■ BCD III S, 90 V technology te■ -40 to +85 °C operating range soleDescription 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...
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