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OPA121
Low Cost Precision Difet ® OPERATIONAL AMPLIFIER
FEATURES
q LOW NOISE: 6nV/√Hz typ at 10kHz q LOW BIAS CURRENT: 5pA max q LOW OFFSET: 2mV max q LOW DRIFT: 3µV/°C typ q HIGH OPEN-LOOP GAIN: 110dB min q HIGH COMMON-MODE REJECTION: 86dB min
APPLICATIONS
q OPTOELECTRONICS q DATA ACQUISITION q TEST EQUIPMENT q MEDICAL EQUIPMENT q RADIATION HARD EQUIPMENT
DESCRIPTION
The OPA121 is a precision monolithic dielectricallyisolated FET (Difet ®) operational amplifier.
Outstanding performance characteristics are now available for low-cost applications.
Noise, bias current,
voltage offset, drift, open-loop gain, common-mode rejection, and power supply rejection are superior to BIFET® amplifie...