Analog Devices Inc.
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ADM823SYKSZ-R7
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ADM823SYKSZ-R7

Product Overview

Category

ADM823SYKSZ-R7 belongs to the category of voltage supervisors.

Use

It is used to monitor the power supply voltage and reset the system when the voltage falls below a certain threshold.

Characteristics

  • Voltage monitoring range: 1.8V to 5.5V
  • Adjustable reset threshold voltage
  • Low quiescent current consumption
  • Small package size (SOT-23-3)
  • RoHS compliant

Package

ADM823SYKSZ-R7 is available in a SOT-23-3 package.

Essence

The essence of ADM823SYKSZ-R7 is to provide reliable voltage monitoring and reset functionality for electronic systems.

Packaging/Quantity

It is typically sold in reels containing 3000 units per reel.

Specifications

  • Supply Voltage Range: 1.8V to 5.5V
  • Reset Threshold Voltage Range: 1.6V to 4.63V
  • Quiescent Current: 2.5µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ADM823SYKSZ-R7 has three pins:

  1. VCC: Power supply input pin.
  2. GND: Ground reference pin.
  3. RESET: Output pin that goes low when the monitored voltage drops below the threshold.

Functional Features

  • Monitors the power supply voltage continuously.
  • Resets the system when the voltage falls below the set threshold.
  • Adjustable reset threshold voltage allows customization for different applications.
  • Low quiescent current consumption minimizes power consumption.
  • Provides a reliable reset signal to ensure proper system operation.

Advantages and Disadvantages

Advantages

  • Wide operating voltage range allows compatibility with various systems.
  • Adjustable reset threshold voltage provides flexibility.
  • Low quiescent current consumption helps conserve power.
  • Small package size enables space-saving designs.
  • RoHS compliance ensures environmental friendliness.

Disadvantages

  • Limited to voltage monitoring and reset functionality only.
  • Not suitable for applications requiring more advanced supervision features.

Working Principles

ADM823SYKSZ-R7 works by continuously monitoring the power supply voltage. When the voltage drops below the set threshold, the RESET pin goes low, indicating a system reset. The reset condition persists until the voltage rises above the threshold again.

Detailed Application Field Plans

ADM823SYKSZ-R7 finds applications in various electronic systems where reliable voltage monitoring and system reset functionality are required. Some potential application fields include:

  1. Microcontrollers and microprocessors
  2. Embedded systems
  3. Industrial control systems
  4. Power management circuits
  5. Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ADM823SYKSZ-R7 are:

  1. MAX823: Voltage supervisor with adjustable reset threshold and small package size.
  2. LTC2937: Precision voltage monitor with programmable reset threshold and wide operating voltage range.
  3. TPS3808: Ultra-low-power voltage supervisor with fixed reset threshold and small package size.

These alternative models provide options for different requirements and design considerations.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ADM823SYKSZ-R7 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ADM823SYKSZ-R7 in technical solutions:

  1. Q: What is the ADM823SYKSZ-R7? A: The ADM823SYKSZ-R7 is a supervisory circuit that monitors the power supply voltage of a microcontroller or other digital systems.

  2. Q: What is the purpose of the ADM823SYKSZ-R7? A: The purpose of the ADM823SYKSZ-R7 is to ensure proper system operation by monitoring the power supply voltage and generating a reset signal when the voltage falls below a specified threshold.

  3. Q: How does the ADM823SYKSZ-R7 work? A: The ADM823SYKSZ-R7 continuously monitors the power supply voltage using an internal voltage reference. When the voltage drops below a certain level, it triggers a reset signal to the microcontroller or system.

  4. Q: What is the voltage threshold for the reset signal? A: The voltage threshold for the reset signal can be set using external resistors. It can be adjusted to suit the specific requirements of the system.

  5. Q: Can the ADM823SYKSZ-R7 be used with different power supply voltages? A: Yes, the ADM823SYKSZ-R7 can be used with a wide range of power supply voltages, typically from 1.6V to 5.5V.

  6. Q: Does the ADM823SYKSZ-R7 have any additional features? A: Yes, the ADM823SYKSZ-R7 includes a watchdog timer function that can be used to monitor the activity of the microcontroller or system.

  7. Q: Can the ADM823SYKSZ-R7 be used in battery-powered applications? A: Yes, the ADM823SYKSZ-R7 is suitable for battery-powered applications as it has a low quiescent current and can operate with low supply voltages.

  8. Q: Is the ADM823SYKSZ-R7 available in different package options? A: Yes, the ADM823SYKSZ-R7 is available in a small SOT-23 package, which is suitable for space-constrained designs.

  9. Q: Can the ADM823SYKSZ-R7 be used in automotive applications? A: Yes, the ADM823SYKSZ-R7 is qualified for automotive applications and meets the necessary standards and requirements.

  10. Q: Where can I find more information about the ADM823SYKSZ-R7? A: You can find more detailed information about the ADM823SYKSZ-R7 in the datasheet provided by the manufacturer or on their official website.