LM335AZ

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LM335AZ

SENSOR ANALOG -40C-100C TO92-3

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  • Мфр. Часть #LM335AZ
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Спецификации

Part Status Obsolete
Base Product Number LM335
Sensor Type Analog, Local
Sensing Temperature - Local -40°C ~ 100°C
Output Type Analog Voltage
Resolution 10mV/°K
Accuracy - Highest (Lowest) ±3°C (±5°C)
Test Condition 25°C (-40°C ~ 100°C)
Operating Temperature -40°C ~ 100°C
Mounting Type Through Hole
Package TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package TO-92-3
Packaging Bulk

Обзор

Description

The LM335AZ is a precision temperature sensor that operates like a Zener diode, providing a linear output voltage directly proportional to the absolute temperature in Kelvin. It is commonly used in various temperature sensing and control applications due to its accuracy and simplicity. The typical output is 10 mV/K, meaning it outputs 2.73V at 0°C (273K). The device can operate over a wide temperature range, typically from -40°C to +100°C.
The LM335AZ requires minimal external components for operation, usually just a resistor for current limiting. It is known for its low cost, ease of use, and reliability. Additionally, it can be easily calibrated for improved accuracy by using a potentiometer in series with the resistor to adjust the offset.
The sensor comes in a TO-92 package, which allows for easy handling and integration into various projects. Its applications include HVAC systems, automotive temperature monitoring, and any other scenarios where precise temperature measurement is crucial.

Features

The LM335AZ is a precision temperature sensor that outputs a voltage linearly proportional to the Kelvin temperature scale. Key features include:
1. Temperature Range: It can measure temperatures ranging from -40°C to +100°C.

2. Calibration: It provides a temperature output of 10 mV per Kelvin, making it easy to calibrate for different applications.

3. Accuracy: The device offers an inherent accuracy of ±1°C at room temperature, with a typical calibration error of about ±1°C over the full range if properly calibrated.

4. Low Cost: It is an affordable solution for temperature sensing compared to more complex devices.
5. Ease of Use: The LM335AZ requires few external components, simplifying circuit design.
6. Power Supply: It operates over a supply voltage range of 4V to 30V, providing flexibility in different circuit environments.
7. Stability: Exhibits good stability and reliability over a wide range of operating conditions.
These features make the LM335AZ suitable for a variety of applications, including HVAC systems, environmental monitoring, and general-purpose temperature monitoring.

Package

The LM335AZ is a precision temperature sensor and is typically available in a TO-92 package type.

Pinout

The LM335AZ is a precision temperature sensor with a 3-pin configuration. Its main function is to provide an analog output voltage that is linearly proportional to the temperature in Kelvin. The typical pin configuration is as follows:
1. Pin 1 (V+): This is the positive supply voltage pin. The device is typically powered by a voltage source in the range of 4V to 30V.

2. Pin 2 (GND): This is the ground pin, which is connected to the system ground.
3. Pin 3 (Output): This pin outputs a voltage proportional to the absolute temperature (in Kelvin). The output voltage changes by 10mV per Kelvin, making it straightforward to determine the temperature.
The LM335AZ is designed for use in a variety of temperature sensing applications, providing accurate and stable temperature measurements over a wide range of temperatures.

Manufacturer

The LM335AZ is a precision temperature sensor, and it is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing chips. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovation in producing integrated circuits and electronic components used in a variety of industries, including automotive, industrial, consumer electronics, and communication sectors. The company is one of the largest producers of semiconductors and plays a crucial role in advancing technology through its diverse product offerings.

Application

The LM335AZ is a precision temperature sensor that outputs a voltage linearly proportional to the Kelvin temperature. It is commonly used in applications requiring accurate temperature measurements, such as environmental monitoring, HVAC systems, industrial control, and consumer electronics. Its wide temperature range and ease of interfacing with microcontrollers and analog-to-digital converters make it suitable for use in scientific instrumentation, weather stations, and automotive temperature sensing. Additionally, it can be utilized in battery management systems and other applications requiring reliable temperature monitoring and control.

Equivalent

The LM335AZ is a precision temperature sensor. Equivalent products include the LM35 series (with variations such as LM35DZ and LM35CZ), TMP36 by Analog Devices, MCP9700 by Microchip, and the DS18B20 by Maxim Integrated. Ensure compatibility with specific voltage and output requirements when selecting an equivalent.

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