RMS to DC Converters

RMS-to-DC converters manufactured by Analog Devices are used in a wide variety of applications where precision and low power measurement of ac signals is the prime objective. An ADI rms-to-dc converter offers real time measurements, meaning there are no latency issues such as those that limit the frequency response of other technologies—the dc output is simply the equivalent of the rms input, over a wide range of input frequencies, and for complex waveforms not limited to sine waves. ADI offers a wide range of rms-to-dc converters optimized for the most demanding performance, power, and cost applications satisfying true rms needs.
Product Selection Table

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RMS to DC Converters

RMS-to-DC Converters

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SortOrderPart#Bandwidth -3 dB (typ)
(Hz)
Vin rms (max)
(V rms)
Crest Factor Error @ CF-3 (typ)Total Error (typ)Vout (max)
(V)
dB OutputIsupply (typ)
(A)
Vsupply span (min)
(V)
Vsupply span (max)
(V)
US Price 1000 to 4999
($ US)
1AD8436 1M 3 0.5- 3 No 40µ 4.8 36 $2.95
2AD737 460k 1 0.7 ±0.2 ±0.2 (mV±% of rdg) 5 No 170µ 5 33 $3.76
3AD736 460k 1 0.7 ±0.2 ±0.2 (mV±% of rdg) 12 No 160µ 6 33 $4.72
4AD637 8M 7 0.1 ±0.5 ±0.2 (mV±% of rdg) 13.5 Yes 2.2m 6 36 $12.35
5AD636 1.5M 0.2 -0.2 ±0.2 ±0.5 (mV±% of rdg) 1 Yes 800µ 5 24 $11.82
6AD536A 450k 7 -0.1 ±2 ±0.2 (mV±% of rdg) 12.5 Yes 2m 5 36 $9.09