Click to expand full text
Si3210/Si3211/Si3212
PROSLIC™ PROGRAMMABLE CMOS SLIC/CODEC WIT H RI NG ING /BAT TERY VOLTAGE GENERATIO N
Features
Performs all BORSCHT Functions Ideal for Short Loop Applications (5 REN at 2 kft, 3 REN at 4 kft) Low Voltage CMOS Package: 38-Pin TSSOP Compliant with Relevant LSSGR and CCITT Specifications Battery Voltage Generated Dynamically with On-Chip DC-DC Converter Controller (Si3210 only) 5 REN Ringing Generator
Programmable Frequency, Amplitude, Waveshape, and Cadence Programmable AC Impedance A-Law/µ-Law, Linear PCM Companding On-Hook Transmission
Applications
Programmable Constant Current Feed (20–41 mA) Programmable Loop Closure and Ring Trip Thresholds with Debouncing Loop or Ground Start Operation and Polarity Battery Reversal Continuous Line Voltage and Current Monitoring