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AD536 Datasheet Integrated Circuit True RMS-to-DC Converter

Manufacturer: Analog Devices

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General Description

VIN 1 Integrated Circuit True RMS-to-DC Converter AD536A PIN CONFIGURATIONS AND FUNCTIONAL BLOCK DIAGRAMS TO-100 (H-10A) TO-116 (D-14) and Package Q-14 Package IOUT ABSOLUTE VALUE 14 13 12 11 CURRENT MIRROR 25k⍀ BUF 25k⍀ 10 9 8 +VS NC NC NC COM RL IOUT +VS COM NC 2 AD536A –VS 3 CAV 4 dB 5 BUF OUT 6 BUF 7 IN SQUARER DIVIDER RL 25k⍀ BUF IN 25k⍀ AD536A CURRENT MIRROR BUF BUF OUT SQUARER DIVIDER ABSOLUTE VALUE dB VIN –VS CAV NC = NO CONNECT LCC (E-20A) Package NC VIN NC +VS NC 3 2 1 20 19 18 17 16 25k⍀ CURRENT MIRROR 25k⍀ 11 12 13 15 14 ABSOLUTE VALUE The AD536A is a complete monolithic integrated circuit which performs true rms-to-dc conversion.

It offers performance which is comparable or superior to that of hybrid or modular units costing much more.

The AD536A directly computes the true rms value of any complex input waveform containing ac and dc components.

Overview

a.

Key Features

  • True RMS-to-DC Conversion Laser-Trimmed to High Accuracy 0.2% Max Error (AD536AK) 0.5% Max Error (AD536AJ) Wide Response Capability: Computes RMS of AC and DC Signals 450 kHz Bandwidth: V rms > 100 mV 2 MHz Bandwidth: V rms > 1 V Signal Crest Factor of 7 for 1% Error dB Output with 60 dB Range Low Power: 1.2 mA Quiescent Current Single or Dual Supply Operation Monolithic Integrated Circuit.
  • 55؇ C to +125؇ C Operation (AD536AS).

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