L7554 Description
This electronic subscriber loop interface circuit (SLIC) is optimized for low-power consumption while providing an extensive set.
L7554 Key Features
- Forward powerup
- Polarity reversal powerup
- Forward low-power scan
- Polarity reversal low-power scan
- Ground start
- Disconnect (high impedance)
- Off-hook detector with longitudinal rejection
- Ground key detector
- Ring trip detector
- dc feed resistance