The AD637BR from Analog Devices Inc. is a sophisticated root-mean-square (RMS) to direct current (DC) converter that delivers high accuracy and wide bandwidth performance. This integrated circuit (IC) is designed to compute the true RMS level of complex waveforms with a crest factor of up to 6. The AD637BR is a complete, monolithic RMS-to-DC converter that includes an auxiliary dB output capable of providing a voltage proportional to the dB scale with a precalibrated 60 dB range.

Key Features:

• High Accuracy: The AD637BR offers a maximum error of 0.2% of full scale for sine waves, ensuring precise RMS measurements for quality-sensitive applications.
• Wide Bandwidth: With a bandwidth of 8 MHz for small signals and 600 kHz for full-scale signals, this device is suitable for a broad range of signal processing tasks.
• Low Power Consumption: The device is optimized for low power operations, making it an ideal choice for battery-powered instruments and portable devices.
• Flexible Supply Voltage: It operates from a single +5 V to ±15 V supplies, allowing for versatility in different circuit configurations.
• dB Output: The auxiliary dB output delivers a precalibrated 60 dB range, facilitating the conversion of RMS signals to logarithmic form for various applications.

Applications:

The AD637BR is well-suited for a multitude of applications that require precise RMS measurements, including:

• Audio signal processing
• Signal level measurement
• Automatic gain control systems
• Vibration analysis
• Industrial process control

The AD637BR is available in a robust package, ensuring reliable operation even in demanding environments. It is a crucial component for engineers and designers looking to implement high-precision RMS-to-DC conversion in their systems. Analog Devices Inc. provides comprehensive technical support and documentation for this product, simplifying the design-in process and reducing time to market.