ST's portfolio of rad-hard operational amplifiers for aerospace applications include low-noise, low-power, high-speed devices, all guaranteed up to 300 krad.

Rad-hard op-amps offer very good performances inside many applications such as communication satellites and space data acquisition. They are available with single- and dual-ranging supply voltage from 3 V up to 16 V, currents ranging from 200 µA up to 16 mA, a max frequency of up to 1 GHz and a minimum gain of 1. ST’s proprietary technologies used for this voltage range are BiCMOS and 0.25 µm CMOS.

The available packages are Flat8 and Flat8S.

QLM-V Qualified Single and quad CMOS OpAmps for satellite applications

Our range of rad-hard op amps is expanding to include the RHR61 (single) and RHR64 (quad) rail-to-rail op amps delivered in hermetic ceramic packages and available as engineering models. These precision, low-power op amps feature:

·        Unity gain stable on 100 pF load

·        Very low power supply: 1.5 to 5.5 V

·        Very low consumption: 60 μA (max.)

·        Low offset voltage (<1 mV) maximum and input bias: (<1 pA)

·        Rail-to-rail inputs and outputs

·        100 krad TID (high-dose rate)

·        SEL immune at 120 MeV.cm²/mg

SET characterized 

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