Instrumentation Amplifier

Indirect Current Feedback Instrumentation Amplifier Applications Guide

Analog Devices Inc

The goal of this module is to provide an understanding of the indirect current feedback (ICF) architecture of instrumentation amplifiers and to give some applications insight to leverage its benefits in precision analog designs. The traditional three op-amp instrumentation amplifier architecture will be discussed and then compared to the indirect current feedback architecture. Finally, several application circuits that benefit from indirect current feedback will be presented.
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Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

ImageManufacturer Part NumberDescriptionAmplifier TypeAvailable Quantity
IC OPAMP CFA 2 CIRCUIT 8SOICAD8012ARZ-REEL7IC OPAMP CFA 2 CIRCUIT 8SOICCurrent Feedback1112 - Immediate
17000 - Factory Stock
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IC OPAMP CFA 1 CIRCUIT SOT23-5AD8014ARTZ-R2IC OPAMP CFA 1 CIRCUIT SOT23-5Current Feedback0View Details
IC OPAMP CFA 1 CIRCUIT SOT23-5AD8014ARTZ-REEL7IC OPAMP CFA 1 CIRCUIT SOT23-5Current Feedback5242 - Immediate
3000 - Factory Stock
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IC OPAMP CFA 1 CIRCUIT 8SOICAD8014ARIC OPAMP CFA 1 CIRCUIT 8SOICCurrent Feedback0View Details

Eval Boards - Op Amps

ImageManufacturer Part NumberDescriptionChannels per ICAmplifier TypeAvailable Quantity
BOARD EVALUATION FOR AD8222AD8222-EVALZBOARD EVALUATION FOR AD82222 - DualInstrumentation5 - Immediate
81 - Factory Stock
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BOARD EVALUATION AD8224AD8224-EVALZBOARD EVALUATION AD82242 - DualInstrumentation5 - Immediate
30 - Factory Stock
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BOARD EVAL FOR AD8231AD8231-EVALZBOARD EVAL FOR AD82312 - DualInstrumentation5 - Immediate
42 - Factory Stock
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BOARD EVALUATION FOR AD8251 PGAAD8251-EVALZBOARD EVALUATION FOR AD8251 PGA1 - SingleInstrumentation3 - Immediate
11 - Factory Stock
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EVAL BOARD FOR MSOP IN-AMPEVAL-INAMP-82RMZEVAL BOARD FOR MSOP IN-AMP1 - SingleInstrumentation5 - Immediate
84 - Factory Stock
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PTM Published on: 2012-12-10