Si3212

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 DTMF Decoder Dual Tone Generator SPI and PCM Bus Digital Interfaces with Programmable Interrupt for Control and Data 3.3 V or 5 V Operation Multiple Loopback Modes for Testing Pulse Metering FSK ...