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AD883B

器件名称: AD883B
功能描述: Integrated Circuit True RMS-to-DC Converter
文件大小: 151.05KB    共8页
生产厂商: ADI
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简  介:a 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) PRODUCT 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. It has a crest factor compensation scheme which allows measurements with 1% error at crest factors up to 7. The wide bandwidth of the device extends the measurem……
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