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LM2917N-8/NOPB
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LM2917N-8/NOPB

Product Overview

Category

The LM2917N-8/NOPB belongs to the category of frequency to voltage converters.

Use

It is commonly used to convert a frequency signal into a proportional analog voltage output.

Characteristics

  • Wide input frequency range
  • High linearity
  • Low power consumption
  • Easy to use

Package

The LM2917N-8/NOPB comes in an 8-pin PDIP (Plastic Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package.

Essence

This product is essential for applications requiring precise frequency to voltage conversion, such as tachometers and speed control systems.

Packaging/Quantity

The LM2917N-8/NOPB is typically available in reels with a quantity of 2500 units per reel.

Specifications

  • Input Frequency Range: 0.1Hz to 10kHz
  • Supply Voltage Range: 4V to 18V
  • Output Voltage Scale Factor: 10mV/Hz
  • Operating Temperature Range: -25°C to 85°C

Detailed Pin Configuration

  1. VIN-: Negative input terminal
  2. VIN+: Positive input terminal
  3. GND: Ground
  4. VOUT: Analog voltage output
  5. VCC: Supply voltage
  6. BYPASS: Bypass capacitor connection
  7. RT: Timing resistor connection
  8. CT: Timing capacitor connection

Functional Features

The LM2917N-8/NOPB features a precision voltage-to-frequency converter with an easy-to-use voltage-to-frequency conversion technique.

Advantages and Disadvantages

Advantages

  • Wide input frequency range
  • High linearity
  • Low power consumption
  • Simple interfacing with microcontrollers and other digital circuits

Disadvantages

  • Limited output voltage scale factor
  • Sensitivity to external noise and interference

Working Principles

The LM2917N-8/NOPB operates by converting the input frequency into a proportional analog voltage output using an internal voltage-to-frequency converter.

Detailed Application Field Plans

The LM2917N-8/NOPB finds extensive application in: - Automotive tachometers - Engine speed measurement systems - Frequency-based speed control systems - Industrial automation

Detailed and Complete Alternative Models

Some alternative models to the LM2917N-8/NOPB include: - LM2907 - AD654 - XR4151

In conclusion, the LM2917N-8/NOPB is a versatile frequency to voltage converter with wide-ranging applications and reliable performance.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM2917N-8/NOPB v technických řešeních

  1. What is the operating voltage range of LM2917N-8/NOPB?
    - The operating voltage range of LM2917N-8/NOPB is typically 4V to 26V.

  2. How does LM2917N-8/NOPB convert frequency to voltage?
    - LM2917N-8/NOPB uses a charge pump and comparator to convert frequency to voltage.

  3. Can LM2917N-8/NOPB be used in automotive applications?
    - Yes, LM2917N-8/NOPB is suitable for automotive tachometer and speedometer applications.

  4. What is the typical output voltage range of LM2917N-8/NOPB?
    - The typical output voltage range of LM2917N-8/NOPB is 0V to VCC.

  5. Is LM2917N-8/NOPB compatible with microcontrollers?
    - Yes, LM2917N-8/NOPB can be interfaced with microcontrollers for digital processing of the output signal.

  6. What is the frequency input range of LM2917N-8/NOPB?
    - The frequency input range of LM2917N-8/NOPB is typically 0Hz to 10kHz.

  7. Can LM2917N-8/NOPB be used in RPM measurement applications?
    - Yes, LM2917N-8/NOPB is commonly used for RPM measurement in automotive and industrial applications.

  8. Does LM2917N-8/NOPB require external components for operation?
    - Yes, LM2917N-8/NOPB requires external capacitors and resistors for proper operation.

  9. What is the temperature range for LM2917N-8/NOPB?
    - The temperature range for LM2917N-8/NOPB is typically -40°C to 125°C.

  10. Can LM2917N-8/NOPB be used in fuel injection systems?
    - Yes, LM2917N-8/NOPB can be used in fuel injection systems for monitoring engine speed and load.