LH2311D IC, Dual Voltage Comparator, PDIP16.
This integrated circuit is a 16-pin dual voltage comparator in a single package.
Features
 Wide operating supply range:     ±15V to a single +5V
 Low input currents:                    6 nA
 High sensitivity:                         10 μV
 Wide differential input range:     ±30V
 High output drive:                      50 mA, 50V
Total Supply Voltage (V+−V−)              36V
 Output to Negative Supply Voltage (VOUT−V−)50V
 Ground to Negative Supply Voltage (GND − V−)30V
 Differential Input Voltage:                    ±30V
 
    
             
  
 