文档介绍:Integrated Circuit a True RMS-to-DC Converter AD536A FEATURES PIN CONFIGURATIONS AND True RMS-to-DC Conversion FUNCTIONAL BLOCK DIAGRAMS Laser-Trimmed to High Accuracy TO-116 (D-14) and TO-100 (H-10A) % Max Error (AD536AK) Q-14 Package Package % Max Error (AD536AJ) IOUT Wide Response Capability: ABSOLUTE VIN 1 VALUE 14 +VS Computes RMS of AC and DC Signals RL BUF IN ⍀ NC 2 AD536A 13 NC 25k 450 kHz Bandwidth: V rms > 100 mV 25k⍀ SQUARER AD536A –VS 3 DIVIDER 12 NC BUF 2 MHz Bandwidth: V rms > 1 CURRENT OUT Signal Crest Factor of 7 for 1% Error CAV 4 11 NC MIRROR BUF dB Output with 60 dB Range dB 5 CURRENT MIRROR SQUARER BUF +VS DIVIDER dB Low Power: mA Quiescent Current 6 9 RL OUT 25k⍀ Single or Dual Supply Operation BUF 7 BUF 8 I ABSOLUTE IN OUT 25k⍀ VALUE Monolithic Integrated Circuit V C ؇؇ IN AV –55 C to +125 C Operation (AD536AS) NC = NO CONNECT –VS PRODUCT DESCRIPTION LCC (E-20A) Package The AD536A is plete monolithic integrated circuit which NC VIN NC+VS NC performs true rms-to-dc conversion. It offers performance which 3 2 1 20 19 parable or superior to that of hybrid or modular units ABSOLUTE 4 18 –VS VALUE NC costing much more. The AD536A putes the true AD536A NC 5 SQUARER 17 NC rms value of plex input waveform containing ac and dc DIVIDER 6 components. It has a crest pensation sch