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LM135AH
Product Overview
LM135AH is a precision temperature sensor belonging to the category of integrated circuits. It is commonly used for temperature measurement and control applications due to its high accuracy and reliability. The LM135AH features a small package size, low power consumption, and excellent linearity, making it suitable for various temperature sensing applications.
Basic Information - Category: Integrated Circuit - Use: Temperature measurement and control - Characteristics: High accuracy, small package size, low power consumption - Package: TO-46 metal can package - Essence: Precision temperature sensing - Packaging/Quantity: Available in reels of 2000 units
Specifications
- Temperature Range: -55°C to +150°C
- Output Voltage: 10 mV/°C
- Supply Voltage: 4V to 30V
- Current Consumption: 120 µA
- Linearity Error: ±1°C (max)
Detailed Pin Configuration
The LM135AH has three pins: 1. V+ (Pin 1): Supply voltage input 2. Vout (Pin 2): Output voltage proportional to temperature 3. GND (Pin 3): Ground connection
Functional Features
- High accuracy over a wide temperature range
- Low self-heating
- Directly calibrated in °Kelvin
- Low output impedance
Advantages and Disadvantages
Advantages: - High accuracy - Wide temperature range - Low power consumption - Small package size
Disadvantages: - Limited temperature range compared to some alternatives - Requires external calibration for precise measurements
Working Principles
The LM135AH operates based on the principle of the temperature-dependent voltage across a PN junction. As the temperature changes, the voltage across the PN junction also changes proportionally, allowing the LM135AH to provide an accurate output voltage that is directly proportional to the temperature.
Detailed Application Field Plans
The LM135AH is widely used in various applications, including: - Temperature monitoring in industrial equipment - Thermal management in electronic devices - HVAC systems for temperature control - Medical equipment for temperature sensing
Detailed and Complete Alternative Models
Some alternative models to LM135AH include: - LM335: Offers a wider temperature range and higher linearity - TMP36: Provides a lower cost option with good accuracy for moderate temperature ranges - DS18B20: Digital temperature sensor with programmable resolution and alarm functions
In conclusion, the LM135AH is a reliable and accurate temperature sensor suitable for a wide range of applications, offering high precision and low power consumption. Its compact size and ease of use make it a popular choice for temperature measurement and control needs.
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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem LM135AH w rozwiązaniach technicznych
What is the LM135AH?
- The LM135AH is a precision temperature sensor that provides an accurate and linear voltage output directly proportional to the Celsius temperature.
What is the operating temperature range of the LM135AH?
- The LM135AH operates over a temperature range of -55°C to 150°C, making it suitable for a wide range of applications.
How accurate is the LM135AH?
- The LM135AH has a typical accuracy of ±1°C at room temperature, making it suitable for precise temperature measurements.
What are the typical applications of the LM135AH?
- The LM135AH is commonly used in temperature measurement and control systems, thermal management solutions, and industrial automation applications.
What is the output voltage range of the LM135AH?
- The LM135AH produces an output voltage of 10 mV/°C, allowing for easy interfacing with microcontrollers and analog circuitry.
Can the LM135AH be used in battery-powered applications?
- Yes, the LM135AH has low power consumption and can be used in battery-powered applications where energy efficiency is crucial.
Is the LM135AH suitable for automotive applications?
- Yes, the LM135AH's wide temperature range and accuracy make it suitable for automotive temperature sensing and control applications.
Does the LM135AH require calibration?
- The LM135AH is factory calibrated, eliminating the need for additional calibration in most applications.
What is the package type of the LM135AH?
- The LM135AH is available in TO-46 metal can and TO-92 plastic package options, providing flexibility for different mounting and integration requirements.
Are there any special considerations for PCB layout when using the LM135AH?
- It is recommended to minimize thermal gradients on the PCB and ensure good thermal contact with the LM135AH to maintain accuracy and performance.