OPA227 Datasheet - Texas Instruments

OPA227, Low Noise Operational Amplifier

OPA227, OPA2227, OPA4227 OPA228, OPA2228, OPA4228 SBOS110C * MAY 1998 * REVISED MARCH 2023 OPAx227, OPAx228 High-Precision, Low-Noise

Features

* Low noise: 3 nV/√Hz
* Wide bandwidth:
* OPA227: 8 MHz, 2.3 V/μs
* OPA228: 33 MHz, 10 V/μs
* Settling time: 5 μs
* High CMRR: 138 dB
* High open-loop gain: 160 dB
* Low input bias current: 10 nA maximum
* Low offset voltage: 75

Applications

* Data acquisition (DAQ)
* Condition monitoring sensor
* Spectrum analyzer
* Professional audio amplifier (rack mount)
* Industrial AC-DC 100k Input-Referred Voltage Noise (nV/√Hz) Input-Referred Current Noise (fA/√Hz) 10k 1k Current Noise 100 10 Volta

OPA227-etcTI.pdf