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AD8436 - True RMS-to-DC Converter

Description

The AD8436 is a new generation, translinear precision, low power, true rms-to-dc converter loaded with options.

It computes a precise dc equivalent of the rms value of ac waveforms, including complex patterns such as those generated by switch mode power supplies and triacs.

Features

  • Delivers true rms or average rectified value of ac waveform Fast settling at all input levels Accuracy: ±10 μV ± 0.25% of reading (B grade) Wide dynamic input range 100 μV rms to 3 V rms (8.5 V p-p) full-scale input range Larger inputs with external scaling Wide bandwidth: 1 MHz for.
  • 3 dB (300 mV) 65 kHz for additional 1% error Zero converter dc output offset No residual switching products Specified at 300 mV rms input Accurate conversion with crest factors up to 10 Low power: 300 µA typ.

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Datasheet preview – AD8436

Datasheet Details

Part number AD8436
Manufacturer Analog Devices
File Size 770.37 KB
Description True RMS-to-DC Converter
Datasheet download datasheet AD8436 Datasheet
Additional preview pages of the AD8436 datasheet.

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Full PDF Text Transcription

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Data Sheet FEATURES Delivers true rms or average rectified value of ac waveform Fast settling at all input levels Accuracy: ±10 μV ± 0.25% of reading (B grade) Wide dynamic input range 100 μV rms to 3 V rms (8.5 V p-p) full-scale input range Larger inputs with external scaling Wide bandwidth: 1 MHz for −3 dB (300 mV) 65 kHz for additional 1% error Zero converter dc output offset No residual switching products Specified at 300 mV rms input Accurate conversion with crest factors up to 10 Low power: 300 µA typical at ±2.4 V High-Z FET separately powered input buffer RIN ≥ 1012 Ω, CIN ≤ 2 pF Precision dc output buffer Wide power supply voltage range Dual: ±2.4 V to ±18 V; single: 4.
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