AD536AKDZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Analog Devices' AD536AKDZ is a precision monolithic true RMS-to-DC converter. It accurately computes the true root mean square (RMS) value of any complex waveform and provides a corresponding DC output voltage.
• Characteristics:
  • High accuracy
  • Wide input frequency range
  • Low power consumption
  • Small package size
• Package: The AD536AKDZ comes in a 14-pin ceramic dual in-line package (CDIP).
• Essence: The AD536AKDZ is an essential component for accurate measurement and conversion of AC signals to DC.
• Packaging/Quantity: The AD536AKDZ is typically sold in reels or tubes, with a quantity of 25 units per reel/tube.

Specifications

• Input Frequency Range: 10 Hz to 1 MHz
• Input Voltage Range: 100 mV to 3 V RMS
• Output Voltage Range: 0 V to 2.5 V DC
• Supply Voltage Range: ±5 V to ±18 V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AD536AKDZ has 14 pins, numbered as follows:

1. IN HI: High-level input terminal
2. IN LO: Low-level input terminal
3. REF HI: High-level reference terminal
4. REF LO: Low-level reference terminal
5. GND: Ground terminal
6. V+: Positive supply voltage terminal
7. V-: Negative supply voltage terminal
8. OUT: Output terminal
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection

Functional Features

• True RMS-to-DC Conversion: The AD536AKDZ accurately computes the true RMS value of complex waveforms, including distorted and noisy signals.
• Low Power Consumption: The IC operates with low power consumption, making it suitable for battery-powered applications.
• Wide Input Frequency Range: The AD536AKDZ can handle a wide range of input frequencies, from 10 Hz to 1 MHz.
• High Accuracy: It provides precise RMS-to-DC conversion with minimal error.

Advantages and Disadvantages

Advantages: - Accurate RMS-to-DC conversion - Wide input frequency range - Low power consumption - Small package size

Disadvantages: - Limited output voltage range (0 V to 2.5 V DC) - Requires external supply voltages

Working Principles

The AD536AKDZ utilizes an internal multiplier and a precision rectifier to compute the true RMS value of the input waveform. It employs advanced signal processing techniques to accurately measure the amplitude of both positive and negative portions of the input signal. The resulting DC output voltage is proportional to the RMS value of the input waveform.

Detailed Application Field Plans

The AD536AKDZ finds applications in various fields, including:

1. Power Quality Monitoring: It is used in power analyzers and energy meters to measure the true RMS value of AC power signals.
2. Audio Signal Processing: The IC is employed in audio equipment to accurately measure the RMS value of audio signals for volume control and dynamic range compression.
3. Industrial Automation: It is utilized in industrial control systems to monitor and measure AC signals in motor control, process control, and instrumentation applications.
4. Medical Instrumentation: The AD536AKDZ is used in medical devices to measure physiological signals, such as ECG and EEG, with high accuracy.

Detailed and Complete Alternative Models

1. AD736: Analog Devices' AD736 is a similar true RMS-to-DC converter with a different pin configuration but comparable specifications.
2. LTC1966: Linear Technology's LTC1966 is another alternative that offers true RMS-to-DC conversion with extended input voltage range and higher output voltage capability.

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