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LM82CIMQA
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LM82CIMQA

Product Overview

Category

LM82CIMQA belongs to the category of temperature sensors and monitors.

Use

It is used for monitoring and controlling the temperature in electronic devices and systems.

Characteristics

  • High accuracy temperature sensing
  • Digital output
  • Low power consumption
  • Small package size

Package

The LM82CIMQA comes in a small surface-mount package.

Essence

The essence of LM82CIMQA lies in its precise temperature monitoring capabilities, making it an essential component in various electronic applications.

Packaging/Quantity

The LM82CIMQA is typically packaged in reels and is available in varying quantities depending on the manufacturer's specifications.

Specifications

  • Temperature Range: -40°C to +125°C
  • Accuracy: ±1.5°C (max) from -10°C to +85°C
  • Supply Voltage: 2.7V to 5.5V
  • Current Consumption: 250μA (typical)

Detailed Pin Configuration

The LM82CIMQA has a total of 8 pins: 1. VDD – Power supply input 2. GND – Ground 3. SDA – Serial data input/output 4. SCL – Serial clock input 5. A0 – Address input 6. ALERT – Open-drain active-low alert output 7. OS – Overtemperature shutdown input 8. TDIODE – Diode-connected transistor input

Functional Features

  • Digital temperature sensing
  • Programmable temperature limits
  • Alert function for overtemperature conditions
  • I2C interface for communication with microcontrollers

Advantages

  • High accuracy temperature measurement
  • Low power consumption
  • Small form factor
  • Flexible programmable features

Disadvantages

  • Limited temperature range compared to some other sensors
  • Requires careful PCB layout for optimal performance

Working Principles

The LM82CIMQA operates by measuring the voltage across a diode-connected transistor, which varies with temperature. This voltage is converted to a digital value using internal circuitry and can be accessed through the I2C interface.

Detailed Application Field Plans

The LM82CIMQA is widely used in various applications such as: - Consumer electronics - Industrial automation - Automotive systems - Medical devices

Detailed and Complete Alternative Models

Some alternative models to LM82CIMQA include: - LM75A: Digital temperature sensor with similar accuracy and I2C interface - TMP117: High-accuracy temperature sensor with wider temperature range - DS18B20: One-wire digital temperature sensor with programmable resolution

In conclusion, the LM82CIMQA is a versatile and reliable temperature sensor suitable for a wide range of electronic applications, offering high accuracy and low power consumption. Its compact package and programmable features make it a popular choice among designers and engineers.

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Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui LM82CIMQA în soluțiile tehnice

  1. What is LM82CIMQA?

    • LM82CIMQA is a digital temperature sensor with an integrated fan controller, designed for use in various technical solutions.

  2. How does LM82CIMQA measure temperature?

    • LM82CIMQA uses an internal sensor to measure the temperature and provides a digital output representing the measured value.

  3. What is the operating voltage range of LM82CIMQA?

    • LM82CIMQA operates within a voltage range of 2.7V to 5.5V.

  4. Can LM82CIMQA control multiple fans?

    • Yes, LM82CIMQA can control up to two fans using its integrated fan controller.

  5. What is the communication interface used by LM82CIMQA?

    • LM82CIMQA communicates using the SMBus interface.

  6. Is LM82CIMQA suitable for high-temperature applications?

    • Yes, LM82CIMQA is designed to operate in high-temperature environments and can accurately measure temperatures in such conditions.

  7. Does LM82CIMQA have built-in temperature hysteresis?

    • Yes, LM82CIMQA features built-in temperature hysteresis to prevent rapid fan speed changes due to minor temperature fluctuations.

  8. Can LM82CIMQA be used in battery-powered devices?

    • Yes, LM82CIMQA's low operating voltage range makes it suitable for use in battery-powered devices.

  9. What is the typical accuracy of LM82CIMQA's temperature measurements?

    • LM82CIMQA typically offers ±1°C accuracy for temperature measurements.

  10. Are there any special considerations for PCB layout when using LM82CIMQA?

    • It is recommended to follow the guidelines provided in the datasheet for proper PCB layout to ensure optimal performance of LM82CIMQA.