Exar Corporation
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SP708CN-L
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SP708CN-L

Product Overview

Category

The SP708CN-L belongs to the category of voltage supervisors and reset ICs.

Use

It is used to monitor the power supply voltage level and provide a reset signal to the microcontroller or other digital system when the voltage drops below a predefined threshold.

Characteristics

  • Monitors power supply voltage
  • Provides reset signal
  • Low power consumption
  • Wide operating voltage range

Package

The SP708CN-L is available in a standard 8-pin PDIP (Plastic Dual In-line Package) and SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SP708CN-L lies in its ability to ensure reliable operation of digital systems by monitoring the power supply voltage.

Packaging/Quantity

The SP708CN-L is typically packaged in tubes or reels with a quantity of 2500 units per reel.

Specifications

  • Operating Voltage Range: 2.5V to 5.5V
  • Reset Threshold Voltage Options: 4.63V, 4.38V, 4.00V, 2.93V
  • Low Quiescent Current: 6µA
  • Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VCC: Power Supply Input
  2. GND: Ground
  3. MR: Manual Reset Input
  4. RESET: Reset Output
  5. SENSE: Voltage Sense Input
  6. GND: Ground
  7. NC: No Connection
  8. VCC: Power Supply Input

Functional Features

  • Precision voltage monitoring
  • Adjustable reset threshold options
  • Manual reset input for system initialization
  • Open-drain reset output
  • Low power consumption

Advantages

  • Wide operating voltage range
  • Adjustable reset threshold options
  • Low quiescent current
  • Manual reset input for flexibility

Disadvantages

  • Limited to 8-pin package option
  • Requires external components for specific applications

Working Principles

The SP708CN-L monitors the power supply voltage through the SENSE pin and compares it to the preset threshold voltage. When the voltage drops below the threshold, the reset output is activated, providing a signal to the connected digital system to initiate a reset sequence.

Detailed Application Field Plans

The SP708CN-L is commonly used in various applications such as: - Microcontroller-based systems - Embedded systems - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SP708CN-L include: - MAX809 - ADM811 - TPS3808 - MCP809

In conclusion, the SP708CN-L is a versatile voltage supervisor and reset IC that offers precision monitoring, adjustable thresholds, and low power consumption, making it suitable for a wide range of digital system applications.

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Énumérez 10 questions et réponses courantes liées à l'application de SP708CN-L dans les solutions techniques

Sure, here are 10 common questions and answers related to the application of SP708CN-L:

  1. What is SP708CN-L?

    • SP708CN-L is a low-power microprocessor supervisory circuit designed to monitor power supply voltage levels and provide reset signals to the host processor.

  2. What is the operating voltage range of SP708CN-L?

    • The operating voltage range of SP708CN-L is typically 2.5V to 5.5V.

  3. What is the purpose of using SP708CN-L in a technical solution?

    • SP708CN-L ensures that the microprocessor or microcontroller operates reliably by monitoring the power supply voltage and generating a reset signal if the voltage falls below a specified threshold.

  4. How does SP708CN-L help in preventing system lock-up or erratic behavior?

    • SP708CN-L helps prevent system lock-up or erratic behavior by ensuring that the microprocessor is reset when the power supply voltage drops below a certain level, allowing the system to recover gracefully.

  5. Can SP708CN-L be used in battery-powered applications?

    • Yes, SP708CN-L can be used in battery-powered applications due to its low-power operation and wide operating voltage range.

  6. What is the typical reset threshold voltage of SP708CN-L?

    • The typical reset threshold voltage of SP708CN-L is 4.65V.

  7. Is SP708CN-L suitable for use in automotive electronics?

    • Yes, SP708CN-L is suitable for use in automotive electronics due to its robust design and ability to withstand automotive environmental conditions.

  8. Does SP708CN-L have built-in hysteresis to prevent erratic reset behavior?

    • Yes, SP708CN-L features built-in hysteresis to prevent erratic reset behavior and ensure stable operation.

  9. Can SP708CN-L be used in industrial control systems?

    • Yes, SP708CN-L can be used in industrial control systems to ensure reliable operation of microprocessors in harsh industrial environments.

  10. What are the key features of SP708CN-L that make it suitable for various technical solutions?

    • The key features of SP708CN-L include low-power operation, wide operating voltage range, built-in hysteresis, and suitability for diverse applications such as automotive, industrial, and battery-powered systems.