Maxim Integrated
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MAX811SEUS+TG104
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MAX811SEUS+TG104

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Monitor and Reset Generator
  • Characteristics:
    • Monitors the power supply voltage of a system and generates a reset signal when the voltage drops below a specified threshold.
    • Provides a reliable way to ensure proper operation of microcontrollers, microprocessors, and other digital systems.
  • Package: SOT-143
  • Essence: Voltage monitoring and reset generation
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Supply Voltage Range: 1.2V to 5.5V
  • Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V
  • Reset Timeout Period: 140ms (min)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX811SEUS+TG104 IC has the following pin configuration:

  1. GND: Ground connection
  2. RESET: Active-low reset output
  3. MR: Manual reset input
  4. VCC: Power supply voltage input

Functional Features

  • Monitors the power supply voltage continuously.
  • Generates a reset signal when the voltage drops below the threshold.
  • Provides a manual reset input for external control.
  • Offers a wide range of threshold voltage options.
  • Includes a built-in glitch immunity circuit.

Advantages and Disadvantages

Advantages: - Ensures reliable system operation by monitoring voltage levels. - Provides a reset signal to prevent system malfunction during power fluctuations. - Wide range of threshold voltage options for flexibility in different applications. - Glitch immunity circuit enhances stability.

Disadvantages: - Limited to voltage monitoring and reset generation functionality. - Requires an external manual reset input for additional control.

Working Principles

The MAX811SEUS+TG104 operates by continuously monitoring the power supply voltage. When the voltage drops below the specified threshold, it generates a reset signal. This signal can be used to reset microcontrollers, microprocessors, or other digital systems, ensuring proper operation even during power fluctuations.

Detailed Application Field Plans

The MAX811SEUS+TG104 is commonly used in various applications where voltage monitoring and reset generation are critical. Some of the application fields include:

  1. Embedded Systems: Used to monitor and reset microcontrollers in embedded systems.
  2. Industrial Automation: Ensures reliable operation of control systems in industrial automation.
  3. Automotive Electronics: Provides voltage monitoring and reset functionality in automotive electronic systems.
  4. Power Management: Used in power management circuits to protect sensitive components from voltage fluctuations.

Detailed and Complete Alternative Models

  • MAX811LEUS+TG104
  • MAX811MEUS+TG104
  • MAX811REUS+TG104

These alternative models offer similar functionality but may have different specifications or package options. It is recommended to review the datasheets of each model for detailed information.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX811SEUS+TG104 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MAX811SEUS+TG104 in technical solutions:

  1. Q: What is the MAX811SEUS+TG104?
    A: The MAX811SEUS+TG104 is a microprocessor supervisory circuit with a watchdog timer and manual reset input.

  2. Q: What is the purpose of a microprocessor supervisory circuit?
    A: A microprocessor supervisory circuit monitors the power supply voltage of a microcontroller or microprocessor and ensures proper operation by generating a reset signal when the voltage falls below a certain threshold.

  3. Q: How does the MAX811SEUS+TG104 ensure reliable system operation?
    A: The MAX811SEUS+TG104 monitors the power supply voltage and generates a reset signal to the microprocessor if the voltage drops below a specified level, preventing erratic behavior or data corruption.

  4. Q: Can the MAX811SEUS+TG104 be used with different microprocessors?
    A: Yes, the MAX811SEUS+TG104 can be used with a wide range of microprocessors as long as the voltage levels are compatible.

  5. Q: What is a watchdog timer?
    A: A watchdog timer is a feature of the MAX811SEUS+TG104 that resets the microprocessor if it fails to periodically toggle a specific pin within a predefined time interval. This helps recover from software or hardware failures.

  6. Q: How do I configure the watchdog timer in the MAX811SEUS+TG104?
    A: The watchdog timer can be configured by selecting the appropriate resistor and capacitor values connected to the WDI (Watchdog Input) pin of the MAX811SEUS+TG104.

  7. Q: Can the MAX811SEUS+TG104 generate a manual reset signal?
    A: Yes, the MAX811SEUS+TG104 has a manual reset input (MR) that can be used to generate a reset signal externally, allowing for system initialization or recovery.

  8. Q: What is the operating voltage range of the MAX811SEUS+TG104?
    A: The MAX811SEUS+TG104 operates within a voltage range of 1.6V to 5.5V.

  9. Q: Can the MAX811SEUS+TG104 tolerate voltage spikes or transients?
    A: Yes, the MAX811SEUS+TG104 has built-in glitch immunity and can tolerate voltage spikes or transients up to 200ns.

  10. Q: Is the MAX811SEUS+TG104 available in different package options?
    A: Yes, the MAX811SEUS+TG104 is available in various package options, including SOT-143, SOT-23, and SC70, providing flexibility for different PCB layouts and space constraints.

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