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[FAQ] What precision amplifiers are right for Building Automation?

Jacob Fattakhov
Prodigy 255 points
Other Parts Discussed in Thread: OPA369, INA821



How do Precision Amplifiers fit into my Building Automation design?





Overview Presentation:

  1. Precision Amplifiers in Building Automation - Slide Deck
    1. Featuring designs for Analog Input Module, PIR Motion Sensing, Smoke/Heat Detectors, and more


Hero Products:

  1. OPA369 - Product Folder
    1.  Precision, ultra-low-power, low-voltage operational amplifier with zero-crossover and rail-to-rail input/output

  2. LPV821- Product Folder
    1. Precision, nanopower, zero-drift operational amplifier for “Always ON” sensing applications in wireless and wired equipment

  3. INA821 - Product Folder
    1. Precision, instrumentation amplifier offering low power consumption and operating over a wide single-supply or dual-supply range


Technical Documents:

  1. Offset Correction Methods: Laser Trim, e-TrimTm, and Chopper - Application Brief

  2. Analog Engineer’s Circuit Cookbook: Amps - eBook

  3. Comprehensive Error Calculation for Instrumentation Amplifiers - Tech Note