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AD795 - Low Noise Precision FET Op Amp

Description

The AD795 is a low noise, precision, FET input operational amplifier.

It offers both the low voltage noise and low offset drift of a bipolar input op amp and the very low bias current of a FET-input device.

Features

  • Low power replacement for Burr-Brown OPA111, OPA121 op amps Low noise 3.3 μV p-p maximum, 0.1 Hz to 10 Hz 11 nV/√Hz maximum at 10 kHz 0.6 fA/√Hz at 1 kHz High dc accuracy 500 μV maximum offset voltage 10 μV/°C maximum drift 2 pA maximum input bias current Low power: 1.5 mA maximum supply current.

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Full PDF Text Transcription

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VOLTAGE NOISE SPECTRAL DENSITY (nV/ Hz) 00845-002 PERCENTAGE OF UNITS 00845-003 Data Sheet FEATURES Low power replacement for Burr-Brown OPA111, OPA121 op amps Low noise 3.3 μV p-p maximum, 0.1 Hz to 10 Hz 11 nV/√Hz maximum at 10 kHz 0.6 fA/√Hz at 1 kHz High dc accuracy 500 μV maximum offset voltage 10 μV/°C maximum drift 2 pA maximum input bias current Low power: 1.5 mA maximum supply current APPLICATIONS Low noise photodiode preamps CT scanners Precision l-to-V converters GENERAL DESCRIPTION The AD795 is a low noise, precision, FET input operational amplifier. It offers both the low voltage noise and low offset drift of a bipolar input op amp and the very low bias current of a FET-input device.
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