Overview
The LM50QIM3/NOPB is a precision integrated-circuit temperature sensor produced by Texas Instruments. This device is designed to sense temperatures within the range of -40°C to 125°C using a single positive supply. It is calibrated directly in degrees Celsius and features a linear output voltage that is proportional to the temperature, with a scale factor of +10 mV/°C. The LM50QIM3/NOPB is particularly suited for applications requiring high accuracy and reliability over a wide temperature range.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage Range | 4.5 V to 10 V |
| Scale Factor | +10 mV/°C |
| Accuracy at 25°C | ±2°C |
| Current Drain | |
| Self-Heating | |
| Nonlinearity | |
| Package Type | SOT-23, 3-pin |
| UL Recognition | UL Recognized Component |
| AEC-Q100 Qualification | AEC-Q100 Grade 1 Qualified |
Key Features
- Calibrated directly in degrees Celsius (Centigrade)
- Linear +10 mV/°C scale factor
- Specified for full -40°C to 125°C range
- Suitable for remote applications
- Low cost due to wafer-level trimming
- Operates from 4.5 V to 10 V
- Less than 130 μA current drain
- Low self-heating: less than 0.2°C in still air
- Nonlinearity less than 0.8°C over temperature range
- UL recognized component
- AEC-Q100 Grade 1 qualified and manufactured on an automotive grade flow
Applications
- Automotive
- Computers
- Disk Drives
- Battery Management
- FAX Machines
- Printers
- Portable Medical Instruments
- HVAC
- Power Supply Modules
Q & A
- What is the operating temperature range of the LM50QIM3/NOPB?
The operating temperature range is -40°C to 125°C. - What is the supply voltage range for this device?
The supply voltage range is 4.5 V to 10 V. - What is the scale factor of the LM50QIM3/NOPB?
The scale factor is +10 mV/°C. - What is the accuracy of the LM50QIM3/NOPB at 25°C?
The accuracy is ±2°C at 25°C. - How much current does the LM50QIM3/NOPB typically drain?
The current drain is less than 130 μA. - What is the self-heating of the LM50QIM3/NOPB in still air?
The self-heating is less than 0.2°C in still air. - Is the LM50QIM3/NOPB AEC-Q100 qualified?
Yes, it is AEC-Q100 Grade 1 qualified. - What type of package does the LM50QIM3/NOPB come in?
The package type is SOT-23, 3-pin. - Is the LM50QIM3/NOPB UL recognized?
Yes, it is a UL recognized component. - What are some common applications for the LM50QIM3/NOPB?
Common applications include automotive, computers, disk drives, battery management, FAX machines, printers, portable medical instruments, HVAC, and power supply modules.
