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MAX708RESA-T

MAX708RESA-T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Monitor
  • Characteristics: Low-power, Precision, Reset Output
  • Package: 8-pin SOIC (Small Outline Integrated Circuit)
  • Essence: Monitors the voltage level and provides a reset signal when the voltage drops below a specified threshold.
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.0V to 5.5V
  • Threshold Voltage Options: 2.63V, 3.08V, 4.38V
  • Reset Timeout Period: 140ms (min)
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX708RESA-T has the following pin configuration:

  1. GND (Ground)
  2. MR (Manual Reset)
  3. RESET (Reset Output)
  4. VCC (Supply Voltage)
  5. TH (Threshold Voltage)
  6. TR (Reset Timeout)
  7. CT (Capacitor)
  8. NC (No Connection)

Functional Features

  • Monitors the supply voltage continuously.
  • Provides a reset signal when the voltage drops below the threshold.
  • Manual reset option available through the MR pin.
  • Low-power consumption for efficient operation.
  • Precision voltage monitoring for accurate detection.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows flexibility in various applications. - Multiple threshold voltage options cater to different voltage level requirements. - Reset timeout period ensures stability during power fluctuations. - Small package size saves board space. - Low-power consumption prolongs battery life.

Disadvantages: - Limited number of threshold voltage options may not cover all voltage levels. - Lack of adjustable reset timeout period may not suit specific application needs.

Working Principles

The MAX708RESA-T operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage drops below the threshold level set by the TH pin, the RESET pin is activated, providing a reset signal to the connected system. The reset timeout period ensures that the reset signal remains active for a specified duration, allowing the system to stabilize during power fluctuations.

Detailed Application Field Plans

The MAX708RESA-T finds applications in various fields, including:

  1. Battery-Powered Devices: Ensures proper functioning and prevents data loss when the battery voltage drops below a critical level.
  2. Industrial Control Systems: Provides reliable reset signals to microcontrollers and other critical components during power supply variations.
  3. Automotive Electronics: Monitors the vehicle's electrical system and triggers a reset when voltage anomalies occur.
  4. Home Automation: Safeguards smart home devices by resetting them in case of power disturbances.
  5. Medical Equipment: Ensures uninterrupted operation and patient safety by monitoring voltage levels and initiating resets if necessary.

Detailed and Complete Alternative Models

  • MAX706RESA-T: Similar to MAX708RESA-T but with different threshold voltage options.
  • MAX809RESA-T: Voltage monitor with a push-pull output instead of an open-drain output.
  • MAX811RESA-T: Voltage monitor with a manual reset input and adjustable reset timeout period.

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Énumérez 10 questions et réponses courantes liées à l'application de MAX708RESA-T dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of MAX708RESA-T in technical solutions:

  1. Q: What is the purpose of MAX708RESA-T? A: MAX708RESA-T is a microprocessor supervisory circuit that monitors the power supply voltage of a system and resets the microcontroller when the voltage falls below a specified threshold.

  2. Q: How does MAX708RESA-T work? A: MAX708RESA-T continuously monitors the power supply voltage using an internal voltage reference. When the voltage drops below the threshold, it generates a reset signal to restart the microcontroller.

  3. Q: What is the operating voltage range of MAX708RESA-T? A: The operating voltage range of MAX708RESA-T is typically between 1.0V and 5.5V.

  4. Q: Can MAX708RESA-T be used with different microcontrollers? A: Yes, MAX708RESA-T can be used with a wide range of microcontrollers as long as the operating voltage requirements are within its specified range.

  5. Q: Does MAX708RESA-T have any adjustable parameters? A: No, MAX708RESA-T does not have any adjustable parameters. It operates based on the fixed threshold voltage set by the manufacturer.

  6. Q: Can MAX708RESA-T be used in battery-powered applications? A: Yes, MAX708RESA-T is suitable for battery-powered applications as it has low quiescent current consumption and can help prevent damage to the microcontroller during low voltage conditions.

  7. Q: Is MAX708RESA-T capable of generating a manual reset signal? A: No, MAX708RESA-T does not have a manual reset input. The reset signal is generated automatically based on the monitored voltage.

  8. Q: What is the typical reset timeout period of MAX708RESA-T? A: The typical reset timeout period of MAX708RESA-T is 140ms, which ensures that the microcontroller is held in reset until the power supply stabilizes.

  9. Q: Can MAX708RESA-T be used in automotive applications? A: Yes, MAX708RESA-T is suitable for automotive applications as it can withstand the harsh operating conditions and has a wide temperature range.

  10. Q: Are there any specific precautions to consider when using MAX708RESA-T? A: It is important to ensure proper decoupling and filtering of the power supply to minimize noise and voltage fluctuations. Additionally, the datasheet should be consulted for specific application guidelines and recommendations.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of MAX708RESA-T.