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MAX708RCSA+T
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MAX708RCSA+T

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Detector
  • Characteristics: Low Power, Precision Monitoring
  • Package: Surface Mount
  • Essence: Monolithic CMOS Circuit
  • Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

  • Supply Voltage Range: 1.0V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Quiescent Current: 3µA (typical)
  • Reset Threshold Options: 2.63V, 2.93V, 3.08V, 4.38V
  • Reset Timeout Period: 140ms (typical)

Pin Configuration

The MAX708RCSA+T has a total of 6 pins:

  1. GND: Ground connection
  2. RESET: Active-low reset output
  3. VCC: Positive supply voltage input
  4. MR: Manual reset input
  5. TH: Threshold selection input
  6. CAP: Capacitor connection for delay timing

Functional Features

  • Precision monitoring of power supply voltage
  • Detects undervoltage and asserts reset signal
  • Adjustable reset threshold voltage
  • Manual reset capability
  • Low quiescent current for power efficiency
  • Built-in glitch immunity for reliable operation

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows versatile applications - Low power consumption prolongs battery life - Adjustable reset threshold accommodates different system requirements - Small surface mount package saves board space - Glitch immunity ensures reliable operation in noisy environments

Disadvantages: - Limited number of available reset threshold options - Lack of built-in hysteresis may cause oscillation near the threshold voltage

Working Principles

The MAX708RCSA+T is a voltage detector that continuously monitors the power supply voltage. It compares the supply voltage against a user-selectable threshold and asserts a reset signal when the voltage drops below the threshold. The reset signal remains active until the supply voltage rises above the threshold or a manual reset is triggered.

The device operates using a low quiescent current, making it suitable for battery-powered applications. It also incorporates glitch immunity to prevent false triggering due to voltage transients or noise.

Detailed Application Field Plans

The MAX708RCSA+T finds applications in various fields, including:

  1. Battery-Powered Devices: Provides undervoltage protection for portable electronics, ensuring safe operation and preventing data loss during low battery conditions.
  2. Industrial Control Systems: Monitors power supply voltages in industrial equipment, enabling reliable operation and preventing damage caused by voltage fluctuations.
  3. Automotive Electronics: Ensures stable power supply in automotive systems, protecting sensitive components from voltage variations and enhancing overall system reliability.
  4. Medical Devices: Guards critical medical equipment against voltage drops, guaranteeing uninterrupted operation and patient safety.

Detailed and Complete Alternative Models

  1. MAX809R: Similar voltage detector with fixed reset threshold options and push-pull output.
  2. MAX7030: Voltage detector with adjustable reset threshold and additional features like watchdog timer and power-on reset.
  3. MAX6389: Precision voltage monitor with programmable reset threshold and integrated power-fail comparator.

These alternative models offer similar functionality to the MAX708RCSA+T and can be considered based on specific application requirements.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von MAX708RCSA+T in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of MAX708RCSA+T in technical solutions:

  1. Q: What is the MAX708RCSA+T? A: The MAX708RCSA+T is a microprocessor supervisory circuit that monitors the power supply voltage of a system and generates a reset signal when the voltage falls below a predefined threshold.

  2. Q: What is the purpose of using the MAX708RCSA+T in a technical solution? A: The MAX708RCSA+T ensures reliable operation of microprocessors and other digital ICs by providing a reset signal during power-up, power-down, and brownout conditions.

  3. Q: How does the MAX708RCSA+T detect low voltage conditions? A: The MAX708RCSA+T uses an internal voltage reference and comparator to monitor the power supply voltage. When the voltage drops below a certain threshold, it triggers a reset signal.

  4. Q: Can the MAX708RCSA+T be used with different power supply voltages? A: Yes, the MAX708RCSA+T can operate with a wide range of power supply voltages, typically from 1V to 5.5V.

  5. Q: Is the MAX708RCSA+T suitable for battery-powered applications? A: Yes, the MAX708RCSA+T has a low quiescent current and is designed for low-power applications, making it suitable for battery-powered devices.

  6. Q: Does the MAX708RCSA+T have any adjustable parameters? A: No, the MAX708RCSA+T has fixed voltage thresholds and timing parameters.

  7. Q: Can the MAX708RCSA+T generate a manual reset signal? A: Yes, the MAX708RCSA+T has an active-low RESET output that can be used to generate a manual reset signal.

  8. Q: What is the typical reset time delay of the MAX708RCSA+T? A: The MAX708RCSA+T has a typical reset time delay of 140ms.

  9. Q: Can the MAX708RCSA+T tolerate voltage spikes or transients? A: Yes, the MAX708RCSA+T has built-in glitch immunity and can tolerate voltage spikes and transients within its specified operating range.

  10. Q: Is the MAX708RCSA+T available in different package options? A: Yes, the MAX708RCSA+T is available in a small SOT-23 package, which is suitable for space-constrained applications.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of the MAX708RCSA+T.