FEATURES

True rms-to-dc conversion

200 mV full scale

Laser-trimmed to high accuracy

0.5% maximum error (AD636K)

1.0% maximum error (AD636J)

Wide response capability

Computes rms of ac and dc signals

1 MHz, −3 dB bandwidth: V rms > 100 mV

Signal crest factor of 6 for 0.5% error

dB output with 50 dB range

Low power: 800 μA quiescent current

Single or dual supply operation

Monolithic integrated circuit

Low cost