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AD645 - Low Noise/ Low Drift FET Op Amp

Download the AD645 datasheet PDF. This datasheet also covers the AD6 variant, as both devices belong to the same low noise/ low drift fet op amp family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AD6-45A.pdf) that lists specifications for multiple related part numbers.

General Description

The AD645 is available in six performance grades.

The AD645J and AD645K are rated over the commercial temperature range of 0°C to +70°C.

The AD645A, AD645B, and the ultraprecision AD645C are rated over the industrial temperature range of –40°C to +85°C.

Overview

a.

Key Features

  • Improved Replacement for Burr-Brown OPA-111 and OPA-121 Op Amp LOW NOISE 2 ␮V p-p max, 0.1 Hz to 10 Hz 10 nV/√Hz max at 10 kHz 11 fA p-p Current Noise 0.1 Hz to 10 Hz Low Noise, Low Drift FET Op Amp AD645 8-Pin Plastic Mini-DIP (N) Package.

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