PBL38772-1 Description
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 SLIC supplies a balanced ringing signal of any waveform (e.g.
PBL38772-1 Key Features
- 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