Analog Devices Inc.

AD637JQ  

RMS to DC Converters

AD637JQ Description

The AD637JQ from Analog Devices Inc. is a high-precision RMS-to-DC converter designed for accurate measurement of complex waveforms in demanding applications. Housed in a 14-pin CERDIP package, this IC operates over a wide supply voltage range of ±3V to ±18V, consuming only 2.2 mA of supply current. It is RoHS3 compliant, REACH unaffected, and features a Moisture Sensitivity Level (MSL) of 1 (Unlimited), ensuring reliability in harsh environments. The device is ideal for applications requiring true RMS conversion of AC signals into DC equivalents, offering exceptional linearity and bandwidth performance.

AD637JQ Features

• True RMS Conversion: Accurately computes the RMS value of AC signals, including complex waveforms with high crest factors.
• Wide Supply Range: Supports ±3V to ±18V, enabling flexible integration into various system designs.
• Low Power Consumption: 2.2 mA supply current minimizes energy usage in portable and battery-operated devices.
• High Accuracy: Delivers ±0.2% maximum nonlinearity error for precise measurements.
• Broad Bandwidth: Handles input frequencies up to 8 MHz (full-scale), suitable for high-speed signal processing.
• Robust Packaging: 14-pin CERDIP ensures durability and thermal stability in industrial environments.
• Compliance: ROHS3, REACH, and EAR99 certifications guarantee global regulatory adherence.

AD637JQ Applications

The AD637JQ excels in applications demanding true RMS measurements, including:

• Power Monitoring: Accurate RMS voltage/current measurement in energy meters and power analyzers.
• Audio Processing: Signal level detection in audio equipment, ensuring fidelity in amplifiers and mixers.
• Industrial Instrumentation: Vibration analysis, motor control, and process monitoring where waveform integrity is critical.
• Communications: RF signal strength measurement and modulation analysis in transceivers.
• Test & Measurement: Calibration equipment and oscilloscopes requiring high-precision RMS conversion.

Conclusion of AD637JQ

The AD637JQ stands out as a high-performance RMS-to-DC converter, combining low power consumption, wide supply range, and exceptional accuracy. Its rugged CERDIP package and compliance with environmental standards make it a reliable choice for industrial, audio, and instrumentation applications. Engineers seeking a versatile, high-bandwidth solution for true RMS conversion will find the AD637JQ an optimal fit for demanding signal-processing tasks.

AD637JQ Documents

Download datasheets and manufacturer documentation for AD637JQ

Datasheets :

AD637