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Sunday, January 06, 2008

True RMS-to-DC IC

MX536A and MX636
The MX536A and MX636 are true RMS-to-DC converters.
They feature low power and are designed to accept
low-level input signals from 0 to 7VRMS for the MX536A
and 0 to 200mVRMS for the MX636
. Both devices accept
complex input waveforms containing AC and DC components.
They can be operated from either a single supply
or dual supplies. Both devices draw less than 1mA
of quiescent supply current, making them ideal for battery-
powered applications.

- True RMS-to-DC Conversion
- Computes RMS of AC and DC Signals
- Wide Response:
2MHz Bandwidth for VRMS > 1V (MX536A)
1MHz Bandwidth for VRMS > 100mV
- Auxiliary dB Output: 60dB Range (MX536A)
50dB Range (MX636)
- Single- or Dual-Supply Operation
- Low Power: 1.2mA typ (MX536A)
800μA typ (MX636)

Mx536,MX636 datasheet pdf