The INA122 is a precision instrumentation amplifierfor accurate, low noise differential signal acquisition.Its two-op-amp design provides excellent performancewith very low quiescent current, and is ideal forportable instrumentation and data acquisition systems.The INA122 can be operated with single power suppliesfrom 2.2V to 36V and quiescent current is a mere60mA. It can also be operated from dual supplies. Byutilizing an input level-shift network, input commonmoderange extends to 0.1V below negative rail (singlesupply ground).A single external resistor sets gain from 5V/V to10000V/V. Laser trimming provides very low offsetvoltage (250mV max), offset voltage drift (3mV/°Cmax) and excellent common-mode rejection.Package options include 8-pin plastic DIP and SO-8surface-mount packages. Both are specified for the–40°C to +85°C extended industrial temperature range.
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