LM335AM

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LM335AM

SENSOR ANALOG -40C-100C 8SOIC

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Thông số kỹ thuật

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 Surface Mount
Package 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Tube

Tổng quan

Description

The LM335AM is a precision temperature sensor and voltage reference device designed for use in various electronic applications. It provides a linear output voltage that is directly proportional to temperature, with a scale factor of 10 mV/°C. This makes it suitable for temperature measurement and control systems.
The LM335AM operates over a wide temperature range from -40°C to +100°C, making it versatile for different environments. It has low output impedance and a wide supply voltage range, typically from 1.0V to 40V, allowing for flexible integration into various circuits.
Key features include low drift, high accuracy, and minimal self-heating, which enhances its performance in precision applications. The device is commonly used in industrial, automotive, and consumer electronics for temperature monitoring, compensation, and regulation.
In summary, the LM335AM is a reliable and accurate tool for temperature sensing and control in a broad spectrum of applications.

Features

The LM335AM is a precision temperature sensor and voltage reference. Key features include:
1. Temperature Range: Operates over a temperature range of -40°C to +100°C with a linear output.
2. Output Voltage: Provides a proportional output of 10 mV/°C, allowing for easy temperature conversion.
3. Accuracy: Offers high accuracy with a typical temperature coefficient of ±1.5°C over the specified range.
4. Power Supply: Requires a dual power supply, typically +5V to +30V.
5. Low Drift: Exhibits low temperature drift, ensuring stable performance over time.
6. Compact Package: Available in an 8-lead metal can package, facilitating integration in compact designs.
7. Application Versatility: Suitable for a wide range of applications including industrial, commercial, and medical environments.
These features make the LM335AM ideal for precise temperature measurement and control in various electronic systems.

Package

The LM335AM is typically available in an 8-lead metal can package. This package type provides good thermal performance and stability for the precision temperature sensor.

Pinout

The LM335AM is a precision temperature sensor with a total of 3 pins. Here's a brief overview of each pin's function:
1. Pin 1 (V- or GND): This pin is connected to the negative supply voltage or ground. It serves as the reference ground for the device.
2. Pin 2 (VOUT): This is the output pin where the voltage representing the temperature is available. The output voltage is typically linear and proportional to the absolute temperature in Kelvin, allowing for easy conversion to Celsius or Fahrenheit.
3. Pin 3 (V+): This pin is connected to the positive supply voltage. The LM335AM operates within a supply voltage range of 1.5V to 40V, providing flexibility for various applications.
The LM335AM is commonly used in temperature measurement and control applications due to its linear output and good temperature coefficient.

Manufacturer

The LM335AM is manufactured by Texas Instruments, Inc. Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including analog and digital signal processing devices, microcontrollers, and embedded processors. Founded in 1930 and headquartered in Dallas, Texas, the company primarily serves industries such as automotive, industrial, communications, and consumer electronics. Texas Instruments is known for its innovation in analog technology and has a strong focus on developing products that enhance performance and efficiency in electronic systems. The LM335AM itself is a precision voltage reference useful in various applications, making it a key component in many electronic designs.

Application

The LM335AM is a precision temperature sensor used in various applications, including temperature measurement and control systems, HVAC equipment, industrial process control, and laboratory instrumentation. It provides a linear voltage output proportional to temperature, making it suitable for data acquisition systems and electronic thermometers. Additionally, it is utilized in automotive temperature monitoring and medical devices for accurate body temperature measurement.

Equivalent

The LM335AM is a voltage temperature sensor. Equivalent products include the LM35 (for temperature measurement), TMP36, and MCP9700. Other alternatives are the AD590 and DS18B20, depending on the specific requirements such as temperature range and output type.

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