INA122U/2K5 Datasheet

Instrumentation Amplifiers


The INA122U/2K5 is a precision instrumentation amplifier for accurate, low noise differential signal acquisition.Its two-op-amp design provides excellent performance with very low quiescent current, and is ideal for portable instrumentation and data acquisition systems.The INA122U/2K5 can be operated with single power supplies from 2.2V to 36V and quiescent current is a mere 60mA. It can also be operated from dual supplies. By utilizing an input level-shift network, input commonmode range extends to 0.1V below negative rail (single supply ground). INA122U/2K5 Features • Low quiescent current: 60ma• Wide power supply range single supply: 2.2v to 36v dual supply: –0.9/+1.3v to ±18v• Common-mode range to (v–)–0.1v• Rail-to-rail output swing• Low offset voltage: 250mv max• Low offset drift: 3mv/°c max• Low noise: 60nv/öhz• Low input bias current: 25na max• 8-pin dip and so-8 surface-mount INA122U/2K5 Applications • Portable, battery operated systems• Industrial sensor amplifier: bridge, rtd, thermocouple• Physiological amplifier: ecg, eeg, emg• Multi-channel data acquisition


[{"Name":"Number of Channels","Value":"1"},{"Name":"Input Offset Voltage","Value":"250 uV "},{"Name":"Available Set Gain","Value":"80 dB"},{"Name":"Maximum Input Resistance","Value":"10000 MOhms "},{"Name":"Common Mode Rejection Ratio (Min) ","Value":"83 dB "},{"Name":"Operating Supply Voltage ","Value":"36 V "},{"Name":"Supply Current","Value":"0.085 mA"},{"Name":"Maximum Operating Temperature","Value":"+ 85 C "},{"Name":"Minimum Operating Temperature","Value":"- 40 C "},{"Name":"Package / Case ","Value":"SOIC-8 "},{"Name":"Packaging","Value":"Reel "}]

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