LM335ADT Overview
The LM335ADT is a precision temperature sensor designed for accurate temperature measurement in industrial and consumer electronics. This device functions as a temperature-dependent voltage source, providing a linear output proportional to absolute temperature. Its robust design allows operation over a wide temperature range, making it suitable for diverse applications requiring reliable thermal monitoring. The LM335ADT offers simplicity in calibration and integration, supporting engineers and sourcing specialists in deploying stable and consistent temperature sensing solutions. For detailed technical support and procurement, visit the IC Manufacturer.
LM335ADT Technical Specifications
| Parameter | Specification |
|---|---|
| Operating Temperature Range | -40??C to +100??C |
| Voltage Output (at 25??C) | 2.98 V |
| Temperature Coefficient | 10 mV/K |
| Accuracy (Initial Tolerance) | ??1??C |
| Supply Current | 400 ??A (typical) |
| Operating Voltage Range | 4 V to 30 V |
| Package Type | TO-92 Plastic Package |
| Calibration | Adjustable for precise temperature measurement |
| Output Impedance | Low, suitable for direct interface with ADC |
LM335ADT Key Features
- Linear Temperature Output: Provides a voltage output directly proportional to absolute temperature, simplifying signal processing and enhancing measurement accuracy.
- Wide Operating Voltage Range: Supports supply voltages from 4 V to 30 V, allowing flexible integration into various power environments.
- High Accuracy and Stability: ??1??C initial tolerance ensures dependable temperature sensing critical for industrial control systems.
- Compact TO-92 Package: Enables easy mounting and efficient thermal coupling in space-constrained applications.
Typical Applications
- Temperature monitoring and control in industrial automation systems, ensuring reliable operation over wide temperature ranges.
- Environmental sensing in HVAC systems to maintain optimal climate control.
- Overtemperature protection in power supplies and battery management circuits to prevent thermal damage.
- Embedded temperature sensing in consumer electronics for system safety and performance optimization.
LM335ADT Advantages vs Typical Alternatives
This temperature sensor offers superior linear voltage output with excellent accuracy and low power consumption compared to conventional thermistors or less integrated temperature sensors. Its wide supply voltage compatibility and simple calibration make it easier to implement in diverse industrial applications. The device??s robust packaging and stable performance under varying environmental conditions provide a reliable alternative to more complex temperature sensing solutions.
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LM335ADT Brand Info
The LM335ADT is manufactured by Texas Instruments, a global leader in analog and embedded processing semiconductors. This product is part of TI??s extensive portfolio of precision temperature sensors designed for industrial and consumer markets. Texas Instruments emphasizes high-quality manufacturing standards and comprehensive technical support, ensuring the LM335ADT meets rigorous performance and reliability requirements demanded by engineers worldwide.
FAQ
What is the typical voltage output of the LM335ADT at room temperature?
The typical output voltage at 25??C is approximately 2.98 V. This output voltage increases linearly with temperature at a rate of about 10 mV per kelvin, allowing precise temperature measurement.
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Can the LM335ADT operate in environments below freezing?
Yes, the sensor operates reliably down to -40??C, making it suitable for cold environments and industrial applications where low-temperature monitoring is necessary.
How is the LM335ADT calibrated for accurate temperature readings?
The device can be calibrated by adjusting the output voltage at a known temperature point using an external resistor or trimming circuit, allowing correction of initial tolerance to improve measurement accuracy.
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What are the power supply requirements for the LM335ADT?
The sensor requires a supply voltage between 4 V and 30 V and typically draws about 400 ??A, enabling it to function efficiently within a wide range of industrial power systems.
Is the LM335ADT suitable for direct interface with analog-to-digital converters (ADCs)?
Yes, the device offers a low output impedance that facilitates direct connection to ADC inputs without the need for additional buffering, simplifying system design.