SI3215

Si3215 PROSLIC® PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION Features PleNaotsreedcnioostcmeotmnthieennudSiee3dd.2f0or1  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 Applications Software-programmable signal generation and audio pr...