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LT1491CN#PBF
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LT1491CN#PBF

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Comparator
  • Characteristics: Low power consumption, high speed, wide supply voltage range
  • Package: 8-pin PDIP (Plastic Dual In-line Package)
  • Essence: Precision comparator with a built-in reference
  • Packaging/Quantity: Tube/50 units

Specifications

  • Supply Voltage Range: 2.7V to 36V
  • Input Offset Voltage: 1mV maximum
  • Input Bias Current: 25nA maximum
  • Response Time: 1μs
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

  1. Non-Inverting Input (+)
  2. Inverting Input (-)
  3. V-
  4. Ground
  5. Output
  6. NC (No Connection)
  7. V+
  8. NC (No Connection)

Functional Features

  • Built-in precision reference
  • Low input offset voltage
  • High-speed response
  • Wide supply voltage range
  • Low power consumption

Advantages and Disadvantages

Advantages

  • Integrated precision reference reduces external components
  • Wide supply voltage range allows for versatile applications
  • Low power consumption extends battery life in portable devices

Disadvantages

  • Limited output current capability
  • Sensitive to noise in high-frequency applications

Working Principles

The LT1491CN#PBF operates as a voltage comparator with a built-in precision reference. It compares the voltages at the non-inverting and inverting inputs and produces a high or low output based on the comparison result. The integrated reference ensures accurate voltage comparisons without the need for external components.

Detailed Application Field Plans

The LT1491CN#PBF is well-suited for various applications including: - Battery-powered equipment - Industrial control systems - Portable instrumentation - Power management circuits - Sensor interfaces

Detailed and Complete Alternative Models

  1. LM393: Dual Voltage Comparator
  2. LM339: Quad Voltage Comparator
  3. MAX902: Ultra-Low-Power Single-Supply Comparators
  4. TS3011: Micropower, Single-Supply Voltage Comparator

In conclusion, the LT1491CN#PBF is a versatile voltage comparator with a built-in precision reference, making it suitable for a wide range of applications that require accurate voltage comparisons and low power consumption.

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10个与LT1491CN#PBF在技术解决方案中的应用相关的常见问题及解答

  1. What is the LT1491CN#PBF?

    • The LT1491CN#PBF is a precision, single supply operational amplifier with a wide input voltage range and low input offset voltage.

  2. What are the typical applications of LT1491CN#PBF?

    • The LT1491CN#PBF is commonly used in precision instrumentation, data acquisition systems, and sensor signal conditioning.

  3. What is the input voltage range of LT1491CN#PBF?

    • The LT1491CN#PBF has a wide input voltage range of ±16V on a single 5V supply.

  4. What is the input offset voltage of LT1491CN#PBF?

    • The input offset voltage of LT1491CN#PBF is typically 300µV.

  5. What is the output voltage swing of LT1491CN#PBF?

    • The output voltage swing of LT1491CN#PBF is typically within 100mV of the rails.

  6. What is the quiescent current consumption of LT1491CN#PBF?

    • The quiescent current consumption of LT1491CN#PBF is typically 500µA.

  7. What is the temperature range for LT1491CN#PBF?

    • LT1491CN#PBF operates over a temperature range of -40°C to 85°C.

  8. Does LT1491CN#PBF require external compensation?

    • No, LT1491CN#PBF is internally compensated and does not require external compensation.

  9. Can LT1491CN#PBF operate from a single supply?

    • Yes, LT1491CN#PBF can operate from a single supply as low as 2.7V.

  10. Is LT1491CN#PBF available in a surface mount package?

    • Yes, LT1491CN#PBF is available in a 14-lead PDIP and SOIC package options.