AD536ASE/883B

Product Overview

• Category: Integrated Circuit (IC)
• Use: Analog Devices' AD536ASE/883B is a precision, monolithic true RMS-to-DC converter. It provides an accurate representation of the average value of any complex waveform.
• Characteristics:
  • High accuracy and linearity
  • Wide dynamic range
  • Low power consumption
  • Single supply operation
  • Compact package
• Package: Ceramic DIP (Dual Inline Package)
• Essence: The AD536ASE/883B is designed to convert AC signals into DC signals with high accuracy, making it suitable for applications that require precise measurement of AC waveforms.
• Packaging/Quantity: The AD536ASE/883B is available in a ceramic DIP package and is typically sold in quantities of one.

Specifications

• Supply Voltage Range: ±5V to ±18V
• Input Frequency Range: 10Hz to 1MHz
• Input Signal Amplitude Range: 100mV to 3Vrms
• Output Voltage Range: 0V to +2.5V
• Temperature Range: -55°C to +125°C
• Conversion Accuracy: ±0.2% of reading

Pin Configuration

The AD536ASE/883B has a total of 20 pins. The pin configuration is as follows:

1. V+
2. IN HI
3. IN LO
4. REF HI
5. REF LO
6. GND
7. OUT HI
8. OUT LO
9. NC
10. NC
11. NC
12. NC
13. NC
14. NC
15. NC
16. NC
17. NC
18. NC
19. NC
20. V-

Functional Features

• True RMS-to-DC conversion: The AD536ASE/883B accurately calculates the root mean square (RMS) value of an AC signal and converts it into a DC voltage.
• Wide frequency range: It can handle input frequencies ranging from 10Hz to 1MHz, making it suitable for various applications.
• High accuracy: With a conversion accuracy of ±0.2% of reading, the AD536ASE/883B provides precise measurements of AC waveforms.
• Low power consumption: The IC operates on low power, making it energy-efficient.
• Single supply operation: It can be powered by a single positive or negative supply voltage.

Advantages and Disadvantages

Advantages: - High accuracy and linearity ensure reliable measurement results. - Wide dynamic range allows for versatile applications. - Low power consumption reduces energy usage. - Single supply operation simplifies the power supply design.

Disadvantages: - Limited output voltage range may not be suitable for certain applications requiring higher voltage levels. - Ceramic DIP package may not be as compact as other modern packaging options.

Working Principles

The AD536ASE/883B utilizes a precision rectifier and an RMS-to-DC converter to accurately calculate the RMS value of an AC signal. The input signal is first rectified to obtain its absolute value. Then, the rectified signal is filtered and scaled to produce a DC voltage proportional to the RMS value of the input waveform.

Detailed Application Field Plans

The AD536ASE/883B finds applications in various fields where accurate measurement of AC waveforms is required. Some potential application areas include:

1. Power quality monitoring: The IC can be used in power analyzers to measure the true RMS value of voltage and current waveforms, enabling assessment of power quality.
2. Audio equipment: It can be employed in audio devices to measure the RMS value of audio signals, ensuring accurate volume control and signal processing.
3. Industrial automation: The IC can be utilized in industrial control systems to monitor AC waveforms and provide feedback for precise control of machinery and processes.

Detailed and Complete Alternative Models

1. AD736: Analog Devices' AD736 is a similar true RMS-to-DC converter with a smaller package size and lower power consumption.
2. LTC1966: Linear Technology's LTC1966 offers true RMS-to-DC conversion with high accuracy and a wide input frequency range.
3. MAX1968: Maxim Integrated's MAX1968 is a precision RMS-to-DC converter designed for low-power applications.

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