PBL38772-1 - Ericsson

PBL38772-1 Subscriber Line Interface Circuit

The PBL 387 72/1 Subscriber Line Interface Circuit (SLIC) is a 90 V bipolar integrated circuit with on-chip high voltage ring generation for use in short loop applications. The PBL 387 72/1 SLIC has been optimized for low power consumption, low total line interface cost and for a high degree of flexibility meeting worldwide requirements. The PBL 387 72/1 SLI.

Features

VCC
• On-chip high voltage ring generation - Balanced, up to 80 VPeak - Any ring waveform - 5 REN ringing load - Short circuit safe - Automatic gain control of ringing signal
• Low on-hook power consumption in Active State (65mW @ VBat=-80V)
• Automatic switching between ringing battery (VBat) and talk battery (VTBat)
• Only +5V and Battery supplies needed
• Pulse metering and on-hook transmission
• UL-1950 and MTU compliant on-hook line voltage
• Programmable ring trip threshold
• 3.3V compatible logic interface
• Silent or fast polarity reversal
• 28-pin SOIC package VT BA T AGND PRT C1 R.