L8567
L8567 is SLIC manufactured by Agere Systems.
Data Sheet August 1999
L8567 SLIC for People’s Republic of China Applications
Features s Low active power (typical 149 mW during on-hook transmission) s Sleep state for low idle power (47 mW typical) s Quiet tip/ring polarity reversal s Distortion-free on-hook transmission s
- 35 V to
- 65 V battery operation s Convenient operating states:
- Forward active
- Polarity reversal active
- Sleep
- Forward disconnect s Supervision functions:
- Fixed threshold off-hook detector with longitudinal rejection and hysteresis
- Ring trip detector
- Thermal shutdown indication s Adjustable loop current limit s Three driver outputs for relay driver s LED driver output to indicate off-hook s Latched...
