UPC7073 Overview
DATA SHEET BIPOLAR ANALOG INTEGRATED CIRCUIT µPC7073 µPC7073 ANALOG SUBSCRIBER LINE LSI (BS-SLIC) The µPC7073 is a BS-SLIC that can be used in analog subscriber circuits such as private branch exchangers (PBXs) and switching equipment for central offices.
UPC7073 Key Features
- Single-chip, monolithic LSI (bipolar)
- Constant-resistance feed or semi constant-current feed Note
- 200-Ω feed, 400-Ω feed, or Tip-to-Ring pin feedout status (HIGH and WET)
- On-chip metering signal superposing circuit
- On-hook sending and receiving
- Loop detection Note
- Ground detection and ground-fault/power contact protection Note
- Three on-chip relay drivers (flyback prevention diode must be externally provided)
- Two power supply voltages (-48 V and +5 V)
- Low power consumption: 110 mW (TYP., when on hook) Note Requires µPD9903