The AD736 from Analog Devices Inc. is a low-power, precision, monolithic true root-mean-square (RMS) to DC converter. It is designed to compute the true RMS value of complex waveforms with high accuracy. The AD736 can be used in a wide array of applications, including signal processing, power management, and measurement instruments.

Key Features

• Wide Bandwidth: The device offers a wide bandwidth that extends from DC to 10 kHz, making it suitable for a broad range of signals.
• Low Power: With a power consumption as low as 1 mW at +5 V, the AD736 is ideal for battery-powered and portable applications.
• High Accuracy: It provides an accurate RMS calculation of both sinusoidal and non-sinusoidal waveforms, ensuring precise readings for various signal types.
• Flexible Supply Range: The device operates on a single supply voltage of +5 V to +36 V or dual supplies of ±2.8 V to ±18 V, accommodating a variety of supply requirements.
• Low Input Bias Current: The AD736 features a low input bias current, reducing errors in applications with high source impedances.
• Compact Package: Available in 8-lead PDIP and SOIC packages, the AD736 is compact and suitable for space-constrained applications.

Applications

• Audio Equipment
• Power Supply Monitoring
• Energy Management Systems
• Test and Measurement Instruments
• Process Control
• Battery Chargers

Performance Highlights

The AD736 distinguishes itself with its ability to maintain high accuracy over a wide temperature range, ensuring reliable performance in various environments. It also features a high crest factor capability without requiring an external crest factor compensation circuit. This makes it a versatile choice for handling signals with large peak-to-average ratios.

Conclusion

The Analog Devices Inc. AD736 True RMS-to-DC Converter is a high-performance solution for accurate RMS measurement. Its combination of low power, high accuracy, and flexible supply voltage options make it an excellent choice for both portable and stationary applications where precise RMS computation is required.