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LM34AH
Product Overview
Category
LM34AH belongs to the category of integrated circuit temperature sensors.
Use
It is used for accurately sensing and measuring temperature in various electronic applications.
Characteristics
- High accuracy
- Wide temperature range
- Low power consumption
- Easy interfacing with microcontrollers
Package
The LM34AH comes in a TO-46 metal can package.
Essence
The essence of LM34AH lies in its ability to provide precise temperature measurements in a compact and versatile package.
Packaging/Quantity
The LM34AH is typically available in reels containing 1000 units per reel.
Specifications
- Temperature Range: -50°C to +150°C
- Output Voltage: 10 mV/°F
- Supply Voltage: 4V to 30V
- Current Drain: 75 µA
- Accuracy: ±0.5°C at +25°C
Detailed Pin Configuration
- V+ (Pin 1) - Positive supply voltage
- Vout (Pin 2) - Analog output voltage
- GND (Pin 3) - Ground
Functional Features
- Linear output proportional to temperature
- Directly calibrated in °F
- Self-powered, no external components required
- Low self-heating
Advantages and Disadvantages
Advantages
- High accuracy over a wide temperature range
- Simple interfacing with microcontrollers
- Low power consumption
Disadvantages
- Limited temperature range compared to some other sensors
- Requires calibration for specific applications
Working Principles
The LM34AH operates on the principle of producing an output voltage that is linearly proportional to the temperature being sensed. This output voltage can be directly interfaced with analog-to-digital converters or microcontrollers for further processing.
Detailed Application Field Plans
The LM34AH finds extensive use in various applications such as: - HVAC systems - Environmental monitoring - Industrial automation - Medical equipment - Automotive climate control
Detailed and Complete Alternative Models
Some alternative models to LM34AH include: - LM35 - Similar temperature sensor with higher temperature range - TMP36 - Low voltage, low power temperature sensor - DS18B20 - Digital temperature sensor with programmable resolution
In conclusion, the LM34AH is a reliable and accurate temperature sensor suitable for a wide range of electronic applications. Its high precision, low power consumption, and ease of integration make it a popular choice among engineers and designers.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LM34AH trong giải pháp kỹ thuật
What is the LM34AH temperature sensor?
- The LM34AH is a precision Fahrenheit temperature sensor that provides an analog voltage output proportional to the temperature.
What is the operating temperature range of the LM34AH?
- The LM34AH operates over a temperature range of -50°F to +300°F (-45°C to +150°C).
How accurate is the LM34AH temperature sensor?
- The LM34AH has a typical accuracy of ±0.5°F at room temperature.
Can the LM34AH be used in automotive applications?
- Yes, the LM34AH can be used in automotive applications due to its wide temperature range and accuracy.
What is the supply voltage range for the LM34AH?
- The LM34AH operates from a single power supply of 5V to 30V.
How does the LM34AH interface with microcontrollers or ADCs?
- The LM34AH outputs an analog voltage directly proportional to the temperature, making it easy to interface with microcontrollers or ADCs.
Is the LM34AH suitable for battery-powered applications?
- Yes, the LM34AH's low power consumption makes it suitable for battery-powered applications.
Can the LM34AH be used in industrial control systems?
- Yes, the LM34AH's wide temperature range and accuracy make it suitable for use in industrial control systems.
Does the LM34AH require calibration?
- The LM34AH is factory-calibrated and typically does not require additional calibration.
Are there any application notes or reference designs available for using the LM34AH?
- Yes, Texas Instruments provides application notes and reference designs for using the LM34AH in various technical solutions.