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AD645

Analog Devices
Part Number AD645
Manufacturer Analog Devices
Description Low Noise/ Low Drift FET Op Amp
Published Mar 23, 2005
Detailed Description a 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/...
Datasheet PDF File AD645 PDF File

AD645
AD645


Overview
a 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 CONNECTION DIAGRAMS TO-99 (H) Package CASE OFFSET NULL –IN +IN –VS OFFSET NULL 8 1 7 HIGH DC ACCURACY 250 ␮V max Offset Voltage 1 ␮V/؇ C max Drift 1.
5 pA max Input Bias Current 114 dB Open-Loop Gain Available in Plastic Mini-DIP, 8-Pin Header Packages, or Chip Form APPLICATIONS Low Noise Photodiode Preamps CT Scanners Precision I-V Converters V O T PR RIF M I D ED 1 2 3 4 TOP VIEW 8 NC +V AD645 7 +VS – IN 6 OUTPUT 5 OFFSET NULL 3 + IN 2...



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