LTC2050/1 and LTC2054/5 max. current on input pins

Hi, 

could you provide information about maximum current on input pins of subject opamps? Or the rule "5mA" can be considered here as good practice?  

Something like it is provided for the part AD8603/7/9  in the data sheet, page 12, chapter INPUT OVERVOLTAGE PROTECTION.

Br

Josko