PMIC - RMS to DC Converters

Category Introduction

Products in the RMS-to-DC converter family are used to perform a mathematical function of measuring a time-varying waveform and return a value proportional to the equivalent steady state (DC) value that would result in producing the same power dissipation if applied to a resistive load. Often used for measurements in AC power related applications, they are differentiated among themselves and from other techniques used for similar ends by the degree of accuracy in the result given when the input is a non-sinusoidal waveform.

Product List

72 Items

Mfr Part #	Quantity Available	UnitPrice	Packaging	Product Status	Current - Supply	Voltage - Supply	Mounting Type	Package / Case	Supplier Device Package
AD737JRZ-R7 IC RMS TO DC CONVERTER 8SOIC Analog Devices Inc.	18	$11.34	Tape & Reel (TR)	Active	170 µA	2.8V, -3.2V ~ ±16.5V	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
AD736JRZ-R7 IC RMS TO DC CONVERTER 8SOIC Analog Devices Inc.	67	$13.28	Tape & Reel (TR)	Active	160 µA	2.8V, -3.2V ~ ±16.5V	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
AD536AKHZ IC RMS TO DC CONVERTER TO100-10 Analog Devices Inc.	15	$55.03	Box	Active	1.2 mA	5V ~ 36V, ±3V ~ 18V	Through Hole	TO-100-10 Metal Can	TO-100-10
AD737ARZ IC RMS TO DC CONVERTER 8SOIC Analog Devices Inc.	12	$27.04	Tube	Active	170 µA	2.8V, -3.2V ~ ±16.5V	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
AD737JRZ-RL IC RMS TO DC CONVERTER 8SOIC Analog Devices Inc.	10	$11.28	Tape & Reel (TR)	Active	170 µA	2.8V, -3.2V ~ ±16.5V	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
AD536ASD IC RMS TO DC CONVERTER 14CDIP Analog Devices Inc.	3	$214.03	Tube	Active	1.2 mA	5V ~ 36V, ±3V ~ 18V	Through Hole	14-CDIP (0.300", 7.62mm)	14-CDIP
AD736BRZ-R7 AD736 - IC TRUE RMS/DC CONVERTER Analog Devices Inc.	36	$18.61	Bulk	Active	-	-	-	-	-
AD737JRZ IC RMS TO DC CONVERTER 8SOIC Analog Devices Inc.	2	$11.48	Tube	Active	170 µA	2.8V, -3.2V ~ ±16.5V	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
AD737JRZ-5 IC RMS TO DC CONVERTER 8SOIC Analog Devices Inc.	23	$11.39	Tube	Active	170 µA	2.8V, -3.2V ~ ±16.5V	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
AD736JNZ IC RMS TO DC CONVERTER 8DIP Analog Devices Inc.	36	$18.66	Tube	Active	160 µA	2.8V, -3.2V ~ ±16.5V	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
AD637JRZ IC RMS TO DC CONVERTER 16SOIC Analog Devices Inc.	28	$31.14	Bulk	Active	2.2 mA	±3V ~ 18V	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
AD736AQ IC RMS TO DC CONVERTER 8CERDIP Analog Devices Inc.	3	$29.80	Tube	Not For New Designs	160 µA	2.8V, -3.2V ~ ±16.5V	Through Hole	8-CDIP (0.300", 7.62mm)	8-CERDIP
AD637BRZ IC RMS TO DC CONVERTER 16SOIC Analog Devices Inc.	3	$67.38	Tube	Active	2.2 mA	±3V ~ 18V	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
AD637KRZ IC RMS TO DC CONVERTER 16SOIC Analog Devices Inc.	4	$53.54	Tube	Active	2.2 mA	±3V ~ 18V	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
AD636JDZ IC RMS TO DC CONVERTER 14CDIP Analog Devices Inc.	18	$53.05	Tube	Active	800 µA	±2.5V ~ 16V	Through Hole	14-CDIP (0.300", 7.62mm)	14-CDIP
AD536ASH IC RMS TO DC CONVERTER TO100-10 Analog Devices Inc.	3	$119.13	Bulk	Active	1.2 mA	5V ~ 36V, ±3V ~ 18V	Through Hole	TO-100-10 Metal Can	TO-100-10
AD637JRZ-RL IC RMS TO DC CONVERTER 16SOIC Analog Devices Inc.	28	$31.07	Tape & Reel (TR)	Active	2.2 mA	±3V ~ 18V	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
AD536ASD/883B IC RMS TO DC CONVERTER 14CERDIP Analog Devices Inc.	2	$234.40	Tube	Active	1.2 mA	5V ~ 36V, ±3V ~ 18V	Through Hole	14-CDIP (0.300", 7.62mm)	14-CDIP
LTC1966CMS8#TRPBF IC RMS TO DC CONVERTER 8MSOP Analog Devices Inc.	30	$7.85	Tape & Reel (TR)	Active	155 µA	2.7V ~ 5.5V	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP
LTC1967CMS8#TRPBF IC RMS TO DC CONVERTER 8MSOP Analog Devices Inc.	40	$9.07	Tape & Reel (TR)	Active	320 µA	4.5V ~ 5.5V	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP

About RMS to DC Converters

What are RMS to DC Converters?

RMS to DC Converters

RMS to DC converters are specialized integrated circuits designed to convert the root mean square (RMS) value of an AC signal into a proportional DC voltage. These converters are essential in applications where accurate measurement of AC signals is required, as they provide a direct representation of the signal's power content. The basic operating principle involves rectifying the AC input, squaring the signal, averaging it over time, and then taking the square root to yield a DC output that corresponds to the RMS value of the input signal. This process allows for precise monitoring and control of AC signals in various electronic systems.

Types of RMS to DC Converters

Analog RMS to DC Converters

Analog RMS to DC converters utilize analog circuitry to perform the conversion process. They are known for their simplicity and speed, making them suitable for high-frequency applications. These converters often employ operational amplifiers and diodes to achieve the desired conversion, providing a continuous output that reflects the RMS value of the input signal.

Digital RMS to DC Converters

Digital RMS to DC converters leverage digital signal processing techniques to compute the RMS value. They sample the input signal, perform mathematical operations digitally, and output a DC voltage. These converters offer high accuracy and flexibility, allowing for easy integration with microcontrollers and digital systems. They are ideal for applications requiring precise measurements and complex signal processing.

True RMS to DC Converters

True RMS to DC converters are designed to accurately measure non-sinusoidal waveforms, providing a true representation of the signal's power content. They are equipped with advanced circuitry to handle complex waveforms, making them indispensable in environments with distorted signals. These converters are crucial in ensuring accurate readings in power quality monitoring and analysis.

How to choose RMS to DC Converters?

When selecting an RMS to DC converter, several key parameters must be considered:

Input Frequency Range: Ensure the converter can handle the frequency range of your application.
Accuracy: Choose a converter with the precision required for your measurements.
Response Time: Consider the speed at which the converter can respond to changes in the input signal.
Output Voltage Range: Verify that the output range matches your system's requirements.
Power Consumption: Evaluate the power efficiency, especially for battery-powered applications.

To assess product quality and reliability, review supplier datasheets, customer reviews, and industry certifications. Consider environmental factors such as temperature range and humidity, and ensure the converter is compatible with your installation requirements, including size and mounting options.

Applications of RMS to DC Converters

Industrial Automation

In industrial automation, RMS to DC converters are used to monitor and control AC motors and drives. They provide real-time feedback on motor performance, enabling efficient energy management and predictive maintenance.

Telecommunications

Telecommunications systems rely on RMS to DC converters to measure signal strength and quality. These converters ensure that communication signals maintain integrity and are free from distortion, crucial for reliable data transmission.

Medical Equipment

Medical devices, such as patient monitors and diagnostic equipment, utilize RMS to DC converters to accurately measure physiological signals. These converters ensure precise readings, which are vital for patient safety and effective diagnosis.

Consumer Electronics

In consumer electronics, RMS to DC converters are employed in audio equipment to measure and control sound levels. They help maintain audio fidelity and prevent distortion, enhancing the user experience.

Power Quality Monitoring

Power quality monitoring systems use RMS to DC converters to assess the quality of electrical power. These converters detect voltage sags, swells, and harmonics, providing essential data for maintaining stable and efficient power distribution.