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OP490 Quad Low Voltage Micropower Operational Amplifier

Discontinued Product. Please contact the factory for the latest replacement.


Part Number(s): OP490

DDC’s OP490 monolithic quad operational amplifier microcircuit features a greater than 100 krad (Si) typical total dose tolerance, depending upon space mission. Using DDC’s radiation-hardened RAD-PAK® packaging technology, the OP490 has an extremely low input offset voltage no less than 0.2 mV, guaranteed over the full military temperature range. The OP490 features low power consumption, drawing less than 20 μA per amplifier.

DDC’s patented RAD-PAK® packaging technology incorporates radiation shielding in the microcircuit package. It eliminates the need for box shielding while providing the required radiation shielding for a lifetime in orbit or space mission. In a GEO orbit, RAD-PA® provides greater than 100 krad (Si) radiation dose tolerance. This product is available with screening up to Class S.


  • RAD-PAK® technology-hardened against natural space radiation
  • Total dose hardness:
    • >100 krad (Si), depending upon space mission
  • Package:
    • 16 pin Rad-Pak® flat package
  • Low offset voltage drift
    • 5μV/°C max (over -55 to +125°C)
  • Low supply current (per amplifier) 20 μA max
  • High open-loop gain 700V/mV min




OP490 Quad Low Voltage Micropower Operational Amplifier Data Sheet


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