Littelfuse Inc.
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SP721ABTG
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SP721ABTG

Product Overview

Category: Integrated Circuit
Use: Voltage Supervisor
Characteristics: Low power consumption, high accuracy
Package: 8-pin SOIC
Essence: Monitors power supply voltage
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Supply Voltage: 2.5V to 10V
  • Operating Temperature: -40°C to 85°C
  • Output Type: Open Drain
  • Reset Threshold Voltage: Adjustable

Detailed Pin Configuration

  1. GND
  2. VCC
  3. MR
  4. RESET
  5. GND
  6. NC
  7. NC
  8. VOUT

Functional Features

  • Precision monitoring of supply voltage
  • Adjustable reset threshold
  • Low power consumption
  • Open-drain output

Advantages and Disadvantages

Advantages: - High accuracy - Wide operating voltage range - Low power consumption

Disadvantages: - Limited to open-drain output - Not suitable for high-speed applications

Working Principles

The SP721ABTG monitors the supply voltage and provides a reset signal when the voltage falls below a preset threshold. It operates by comparing the monitored voltage with an internal reference and generating a reset signal when necessary.

Detailed Application Field Plans

The SP721ABTG is commonly used in various electronic systems such as: - Microcontroller-based systems - Industrial control systems - Power management circuits - Battery-powered devices

Detailed and Complete Alternative Models

  1. MAX809
  2. ADM803
  3. TC54

In conclusion, the SP721ABTG is a versatile voltage supervisor IC with precise monitoring capabilities, making it suitable for a wide range of applications in different industries.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением SP721ABTG в технических решениях.

  1. What is the SP721ABTG?

    • The SP721ABTG is a precision, low-voltage, micro-power voltage supervisor with manual reset input.

  2. What is the operating voltage range of SP721ABTG?

    • The operating voltage range of SP721ABTG is typically 0.7V to 5.5V.

  3. What is the typical quiescent current of SP721ABTG?

    • The typical quiescent current of SP721ABTG is 1.5µA.

  4. What is the purpose of the manual reset input in SP721ABTG?

    • The manual reset input allows for an external push-button or switch to manually reset the device.

  5. Can SP721ABTG be used in battery-powered applications?

    • Yes, SP721ABTG's low quiescent current makes it suitable for battery-powered applications.

  6. What is the output type of SP721ABTG?

    • The SP721ABTG has an open-drain output.

  7. What is the temperature range for SP721ABTG?

    • The temperature range for SP721ABTG is typically -40°C to 85°C.

  8. How does SP721ABTG help in system reliability?

    • SP721ABTG provides voltage monitoring and reset generation, contributing to system reliability.

  9. Can SP721ABTG be used in automotive applications?

    • Yes, SP721ABTG is suitable for automotive applications due to its wide operating voltage range and low power consumption.

  10. Is SP721ABTG RoHS compliant?

    • Yes, SP721ABTG is RoHS compliant, making it suitable for use in environmentally sensitive applications.