FEATURES
► Low input bias current
► ±20 fA maximum at TA = 25°C (guaranteed at production test)
► ±20 fA maximum at −40°C < TA < +85°C
► ±250 fA maximum at −40°C < TA < +125°C (guaranteed at
production test)
► Low offset voltage: 50 μV maximum over specified CMRR range
► Offset voltage drift: ±0.13 μV/°C typical, ±0.5 μV/°C maximum
► Integrated guard buffer with 100 μV maximum offset
► Low voltage noise density: 14 nV/√Hz at 10 kHz
► Wide bandwidth: 2 MHz unity-gain crossover
► Supply voltage: 4.5 V to 16 V (±2.25 V to ±8 V)
► Operating temperature: −40°C to +125°C
► Long-term offset voltage drift (10,000 hours): 0.5 μV typical
► Temperature hysteresis: 1.5 μV typical
APPLICATIONS
► Laboratory and analytical instrumentation: spectrophoto-meters,
chromatographs, mass spectrometers, and potentiostatic and
amperostatic coulometry
► Instrumentation: picoammeters and coulombmeters
► Transimpedance amplifier (TIA) for photodiodes, ion chambers,
and working electrode measurements
► High impedance buffering for chemical sensors and capacitive
sensors