Data Sheet January 2000
L7556, L7557 Low-Power SLICs with Battery Switch
Features
s Auxiliary input for second battery, and internal switch to enable its use to save power
s Low active power (typical 125 mW during on-hook transmission)
s Supports meter pulse injection
s Spare op amp for meter pulse filtering
s –16 V to –60 V power supply operation
s Distor...
