AD736JN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Signal Conditioning
• Characteristics: High Precision, Low Power Consumption
• Package: DIP (Dual In-line Package)
• Essence: Analog Devices IC for True RMS-to-DC Conversion
• Packaging/Quantity: Tube Packaging, 25 pieces per tube

Specifications

• Supply Voltage: ±2.5V to ±18V
• Operating Temperature Range: -40°C to +85°C
• Input Frequency Range: DC to 500kHz
• Input Voltage Range: 0mV to 2Vrms
• Output Voltage Range: 0V to VREF
• Conversion Accuracy: ±0.3% of Reading
• Power Supply Current: 1.2mA typical

Detailed Pin Configuration

The AD736JN IC has a total of 16 pins. The pin configuration is as follows:

1. VPOS: Positive Power Supply
2. INP: Non-Inverting Input
3. INM: Inverting Input
4. VREF: Reference Voltage Output
5. GND: Ground
6. OUT: Output Voltage
7. FILT: Filter Capacitor Connection
8. VNEG: Negative Power Supply

Functional Features

• True RMS-to-DC Conversion: The AD736JN accurately converts AC signals to their equivalent DC values using true root mean square (RMS) measurement techniques.
• Wide Input Frequency Range: It can handle input frequencies ranging from DC to 500kHz, making it suitable for various applications.
• High Conversion Accuracy: With a conversion accuracy of ±0.3% of reading, the AD736JN provides precise measurements.
• Low Power Consumption: The IC operates with a low power supply current of 1.2mA, making it energy-efficient.

Advantages and Disadvantages

Advantages: - High precision RMS-to-DC conversion - Wide input frequency range - Low power consumption - Compact DIP package for easy integration

Disadvantages: - Limited input voltage range (0mV to 2Vrms) - Requires external filter capacitor for optimal performance

Working Principles

The AD736JN utilizes a patented true RMS-to-DC conversion technique. It accurately measures the RMS value of an AC signal by converting it into a DC voltage proportional to the RMS value. This is achieved through a combination of analog signal processing and digital calibration techniques.

Detailed Application Field Plans

The AD736JN is widely used in various applications that require accurate RMS-to-DC conversion. Some common application fields include:

1. Power Monitoring: The IC is used in power monitoring systems to measure the true RMS value of AC power signals, enabling precise power calculations.
2. Audio Equipment: It finds application in audio equipment such as amplifiers and mixers, where accurate RMS measurement is crucial for maintaining audio quality.
3. Industrial Automation: The AD736JN is utilized in industrial automation systems for measuring and controlling AC signals in motor control, process control, and instrumentation applications.
4. Energy Management: It plays a vital role in energy management systems, allowing accurate measurement of AC power consumption for efficient energy usage.

Detailed and Complete Alternative Models

1. AD737: Similar to AD736JN, but with a different pin configuration and improved accuracy.
2. AD8436: Offers higher accuracy and wider input voltage range compared to AD736JN.
3. AD8432: Provides similar functionality to AD736JN but in a smaller package size.
4. AD637: Specialized for low-frequency applications, suitable for audio and power monitoring purposes.

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