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ADM823SYRJ-R7
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ADM823SYRJ-R7

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Supervisor
  • Characteristics: Low-power, precision voltage monitoring
  • Package: SOT-23-5
  • Essence: Monitors the power supply voltage and provides a reset signal when the voltage falls below a certain threshold.
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Supply Voltage Range: 1.6V to 5.5V
  • Reset Threshold Options: 2.93V, 3.08V, 3.15V, 4.38V, 4.63V, 4.75V
  • Reset Timeout Period: 140ms, 560ms, 1120ms, 2240ms
  • Quiescent Current: 10µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ADM823SYRJ-R7 IC has the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. RESET: Active-low reset output
  4. MR: Manual reset input
  5. N/C: No connection

Functional Features

  • Monitors the power supply voltage continuously
  • Generates a reset signal when the voltage drops below the specified threshold
  • Provides manual reset capability through the MR pin
  • Low quiescent current for power-efficient operation
  • Wide supply voltage range allows compatibility with various systems

Advantages

  • Precise voltage monitoring ensures reliable system operation
  • Low-power consumption extends battery life in portable devices
  • Small package size enables space-saving designs
  • Wide operating temperature range suits various environments

Disadvantages

  • Limited reset threshold options may not meet all application requirements
  • Lack of adjustable reset timeout period may restrict flexibility in certain scenarios

Working Principles

The ADM823SYRJ-R7 operates by comparing the power supply voltage with a fixed threshold. When the voltage falls below the threshold, the reset output is activated, indicating a power failure or unstable voltage condition. The manual reset input allows the system to be reset externally. The IC consumes minimal power during operation, making it suitable for battery-powered applications.

Detailed Application Field Plans

The ADM823SYRJ-R7 finds application in various fields, including:

  1. Embedded Systems: Provides reliable voltage monitoring and reset functionality in microcontroller-based systems.
  2. Industrial Automation: Ensures stable operation of control systems by detecting power supply fluctuations.
  3. Automotive Electronics: Monitors the vehicle's electrical system to prevent malfunctions caused by voltage drops.
  4. Consumer Electronics: Protects sensitive electronic components from damage due to inadequate power supply.

Detailed and Complete Alternative Models

  1. ADM803/ADM809: Similar voltage supervisor ICs with adjustable reset thresholds and timeout periods.
  2. MAX823/MAX809: Voltage monitors with manual reset capability and various package options.
  3. TPS3808: Precision voltage supervisor IC with adjustable threshold and programmable delay.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av ADM823SYRJ-R7 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of ADM823SYRJ-R7 in technical solutions:

  1. Q: What is ADM823SYRJ-R7? A: ADM823SYRJ-R7 is a voltage supervisor IC (integrated circuit) that monitors the power supply voltage and generates a reset signal when the voltage falls below a specified threshold.

  2. Q: What is the operating voltage range of ADM823SYRJ-R7? A: The operating voltage range of ADM823SYRJ-R7 is typically between 1.6V and 5.5V.

  3. Q: How does ADM823SYRJ-R7 help in technical solutions? A: ADM823SYRJ-R7 helps ensure the stability and reliability of electronic systems by monitoring the power supply voltage and generating a reset signal to initiate a controlled system restart if the voltage drops below a certain level.

  4. Q: Can ADM823SYRJ-R7 be used in battery-powered applications? A: Yes, ADM823SYRJ-R7 can be used in battery-powered applications as it operates within a wide voltage range and consumes very low quiescent current.

  5. Q: What is the typical reset threshold voltage of ADM823SYRJ-R7? A: The typical reset threshold voltage of ADM823SYRJ-R7 is 3.08V.

  6. Q: Does ADM823SYRJ-R7 have an adjustable reset threshold voltage? A: No, ADM823SYRJ-R7 has a fixed reset threshold voltage and does not provide an option for adjustment.

  7. Q: Can ADM823SYRJ-R7 generate both active-high and active-low reset signals? A: Yes, ADM823SYRJ-R7 can be configured to generate either an active-high or active-low reset signal, depending on the application requirements.

  8. Q: What is the typical response time of ADM823SYRJ-R7? A: The typical response time of ADM823SYRJ-R7 is 20ms.

  9. Q: Does ADM823SYRJ-R7 have any built-in delay for the reset signal? A: Yes, ADM823SYRJ-R7 has a fixed delay of approximately 140ms before generating the reset signal after the power supply voltage falls below the threshold.

  10. Q: Is ADM823SYRJ-R7 available in different package options? A: Yes, ADM823SYRJ-R7 is available in a SOT-23 package, which is a small surface-mount package commonly used in electronic applications.

Please note that the answers provided here are general and may vary based on specific datasheet specifications and application requirements.