PRODUCT DESCRIPTION
The AD636 is a low power monolithic IC which performs true rms-to-dc conversion on low level signals. It offers performance which is comparable or superior to that of hybrid and modular converters costing much more. The AD636 is specified for a signal range of 0 mV to 200 mV rms. Crest factors up to 6 can be accommodated with less than 0.5% additional error, allowing accurate measurement of complex input waveforms.
   
FEATURES
    True RMS-to-DC Conversion
    200 mV Full Scale
    Laser-Trimmed to High Accuracy
        0.5% Max Error (AD636K)
        1.0% Max Error (AD636J)
    Wide Response Capability:
        Computes RMS of AC and DC Signals
        1 MHz –3 dB Bandwidth: V RMS >100 mV
        Signal Crest Factor of 6 for 0.5% Error
    dB Output with 50 dB Range
    Low Power: 800 μA Quiescent Current
    Single or Dual Supply Operation
    Monolithic Integrated Circuit
    Low Cost
    Available in Chip Form