The AD737AQ is a high-precision, low-power, RMS-to-DC converter produced by Analog Devices Inc., a leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits. This innovative component stands out for its ability to accurately compute the root-mean-square (RMS) value of complex waveforms, including sine waves, square waves, triangular waves, and irregular shapes, without requiring an external filter.

Key Features

• True RMS-to-DC Conversion: The AD737AQ provides an accurate RMS calculation of voltages, allowing for precise measurements of both simple and complex waveforms.
• Wide Bandwidth: With a bandwidth of 200 kHz, this converter is suitable for a broad range of audio and RF applications.
• Low Power Consumption: Designed for battery-powered devices and energy-saving applications, the AD737AQ operates on a mere 200 µA supply current.
• High Accuracy: The device offers a high accuracy with a total error typically less than 0.3% at room temperature.
• Flexible Power Supply Range: It operates from a single +2.8 V to +5.5 V supply or dual ±2.8 V to ±5.5 V supplies, accommodating various application requirements.

Applications

The AD737AQ is ideal for an array of applications requiring precise RMS measurements. It is commonly used in:

• Audio signal processing
• Signal level measurement
• Industrial process control
• Energy management systems
• AC power monitoring

Quality and Reliability

Analog Devices Inc. ensures that the AD737AQ meets the highest quality and reliability standards. The device is available in a 14-pin PDIP package, making it easy to integrate into a wide range of electronic systems. With its robust design, the AD737AQ is engineered to perform consistently in challenging environments and over extended temperature ranges.

Conclusion

The AD737AQ from Analog Devices Inc. is an exemplary solution for designers looking to implement precise RMS-to-DC conversion in their systems. Its combination of accuracy, low power consumption, and wide bandwidth makes it a versatile and reliable choice for numerous applications in the measurement and monitoring of electrical signals.