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ADM811RART-REEL7

ADM811RART-REEL7

Product Overview

Category

ADM811RART-REEL7 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and reset functions.

Characteristics

  • Voltage monitoring: ADM811RART-REEL7 monitors the supply voltage and provides a reset signal when the voltage falls below a specified threshold.
  • Reset function: It ensures that the microcontroller or other digital circuitry starts operating correctly after power-up or a brownout condition.
  • Low power consumption: The device operates with low quiescent current, making it suitable for battery-powered applications.

Package

ADM811RART-REEL7 is available in a small 4-pin SOT-143 package.

Essence

The essence of ADM811RART-REEL7 lies in its ability to monitor the supply voltage and provide a reliable reset signal to ensure proper functioning of digital circuitry.

Packaging/Quantity

This product is typically packaged in reels containing a specific quantity of units, which may vary depending on the manufacturer's specifications.

Specifications

  • Supply Voltage Range: 1.6V to 5.5V
  • Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V
  • Reset Timeout Period: 140ms (typical)
  • Quiescent Current: 8µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ADM811RART-REEL7 has four pins arranged as follows:

```


| | --| VCC |-- --| /MR |-- --| GND |-- |_______| ```

Pin descriptions: - VCC: Power supply input pin. - /MR: Active-low reset output pin. - GND: Ground reference pin.

Functional Features

  1. Voltage Monitoring: ADM811RART-REEL7 continuously monitors the supply voltage and compares it with the preset threshold voltage.
  2. Reset Signal Generation: When the supply voltage falls below the threshold, the device generates an active-low reset signal on the /MR pin.
  3. Reset Timeout: The reset signal remains active for a fixed timeout period after the supply voltage rises above the threshold, ensuring proper system initialization.
  4. Manual Reset: The /MR pin can also be used to manually assert a reset condition when required.

Advantages and Disadvantages

Advantages

  • Reliable Voltage Monitoring: ADM811RART-REEL7 ensures accurate monitoring of the supply voltage, preventing erratic behavior of digital circuitry.
  • Low Power Consumption: The device operates with low quiescent current, making it suitable for power-sensitive applications.
  • Small Package Size: The compact SOT-143 package allows for space-efficient integration into electronic devices.

Disadvantages

  • Limited Threshold Options: The available threshold voltage options may not cover all specific voltage requirements of different applications.
  • Lack of Adjustable Timeout Period: The fixed reset timeout period may not be optimal for all system initialization scenarios.

Working Principles

ADM811RART-REEL7 utilizes a voltage comparator to compare the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold, the comparator triggers the generation of an active-low reset signal. This signal remains active for a fixed timeout period after the supply voltage rises above the threshold, ensuring proper system initialization.

Detailed Application Field Plans

ADM811RART-REEL7 finds application in various electronic devices where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include: - Microcontrollers - Embedded systems - Industrial control systems - Power management circuits - Battery-powered devices

Detailed and Complete Alternative Models

  1. ADM803/ADM809: These are alternative models from Analog Devices that offer similar voltage monitoring and reset functions.
  2. MAX811/MAX809: These models from Maxim Integrated provide comparable features and performance.
  3. MCP100: This alternative model from Microchip Technology offers voltage monitoring and reset capabilities.

These alternative models can be considered based on specific application requirements, availability, and compatibility with the target system.

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Énumérez 10 questions et réponses courantes liées à l'application de ADM811RART-REEL7 dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of ADM811RART-REEL7 in technical solutions:

  1. Q: What is the ADM811RART-REEL7? A: The ADM811RART-REEL7 is a voltage supervisor and reset IC manufactured by Analog Devices.

  2. Q: What is the purpose of the ADM811RART-REEL7? A: The ADM811RART-REEL7 is used to monitor the power supply voltage of a system and generate a reset signal when the voltage falls below a certain threshold.

  3. Q: What is the operating voltage range of the ADM811RART-REEL7? A: The ADM811RART-REEL7 operates within a voltage range of 1.6V to 5.5V.

  4. Q: How does the ADM811RART-REEL7 generate a reset signal? A: The ADM811RART-REEL7 monitors the voltage using an internal comparator and generates a reset signal when the voltage falls below the specified threshold.

  5. Q: Can I adjust the threshold voltage of the ADM811RART-REEL7? A: No, the threshold voltage of the ADM811RART-REEL7 is fixed at a specific value.

  6. Q: What is the typical reset timeout period of the ADM811RART-REEL7? A: The typical reset timeout period of the ADM811RART-REEL7 is 140ms.

  7. Q: Can I use the ADM811RART-REEL7 in battery-powered applications? A: Yes, the ADM811RART-REEL7 can be used in battery-powered applications as it operates within a wide voltage range.

  8. Q: Does the ADM811RART-REEL7 have any additional features? A: Yes, the ADM811RART-REEL7 includes a manual reset input and an active-low RESET output.

  9. Q: What is the package type of the ADM811RART-REEL7? A: The ADM811RART-REEL7 is available in a 4-ball wafer-level chip scale package (WLCSP).

  10. Q: Can I use multiple ADM811RART-REEL7 ICs in parallel for redundancy? A: Yes, you can use multiple ADM811RART-REEL7 ICs in parallel to provide redundancy and increase system reliability.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.