Description
The ProSLICis a low-voltage CMOS device that provides a complete analog telephone interface ideal for customer premise equipment (CPE) applications. The ProSLIC integrates subscriber line interface circuit (SLIC), codec, and battery generation functionality into a single CMOS integrated circuit.

FEATUREs
Performs all BORSCHT functions
Software-programmable internal balanced ringing up to 90 VPK (5 REN up to 4 kft, 3 REN up to 8 kft)
Integrated battery supply with dynamic voltage output
  On-chip dc-dc converter continuously minimizes power in all operating modes
  Entire solution can be powered from a single 3.3 V or 5 V supply
  3.3 to 35 V dc input range
  Dynamic 0 to –94.5 V output
  Low-cost inductor and high-efficiency transformer versions supported
Software-programmable linefeed parameters:
   Ringing frequency, amplitude, cadence, and waveshape
   2-wire ac impedance and hybrid
   Constant current feed (20 to 41 mA)
   Loop closure and ring trip thresholds and filtering