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Technical Specifications
Parameters and characteristics for this part
| Specification | LM50BIM3 |
|---|---|
| Accuracy - Highest (Lowest) | -3.5 °C, 2 °C |
| Mounting Type | Surface Mount |
| Output Type | Analog Voltage |
| Package / Case | SOT-23-3, TO-236-3, SC-59 |
| Resolution | 10 mV/°F |
| Sensing Temperature - Local [Max] | 100 °C |
| Sensing Temperature - Local [Min] | -25 °C |
| Sensor Type | Local, Analog |
| Supplier Device Package | SOT-23-3 |
| Test Condition | 25 °C |
| Voltage - Supply [Max] | 10 V |
| Voltage - Supply [Min] | 4.5 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 2.94 | |
| 10 | $ 2.40 | |||
| 25 | $ 1.95 | |||
| 50 | $ 1.81 | |||
| 100 | $ 1.72 | |||
| 500 | $ 1.45 | |||
| Digi-Reel® | 1 | $ 2.94 | ||
| 10 | $ 2.40 | |||
| 25 | $ 1.95 | |||
| 50 | $ 1.81 | |||
| 100 | $ 1.72 | |||
| 500 | $ 1.45 | |||
| Tape & Reel (TR) | 1000 | $ 1.36 | ||
| 3000 | $ 1.31 | |||
| 5000 | $ 1.27 | |||
Description
General part information
LM50-Q1 Series
The LM50 and LM50-Q1 devices are precision integrated-circuit temperature sensors that can sense a –40°C to 125°C temperature range using a single positive supply. The output voltage of the device is linearly proportional to temperature (10 mV/°C) and has a DC offset of 500 mV. The offset allows reading negative temperatures without the need for a negative supply.
The ideal output voltage of the LM50 or LM50-Q1 ranges from 100 mV to 1.75 V for a –40°C to 125°C temperature range. The LM50 and LM50-Q1 do not require any external calibration or trimming to provide accuracies of ±3°C at room temperature and ±4°C over the full –40°C to 125°C temperature range. Trimming and calibration of the LM50 and LM50-Q1 at the wafer level assure low cost and high accuracy. The linear output, 500 mV offset, and factory calibration of the LM50 and LM50-Q1 simplify the circuitry requirements in a single supply environment where reading negative temperatures is necessary. Because the quiescent current of the LM50 and LM50-Q1 is less than 130 µA, self-heating is limited to a very low 0.2°C in still air.
The LM50 and LM50-Q1 devices are precision integrated-circuit temperature sensors that can sense a –40°C to 125°C temperature range using a single positive supply. The output voltage of the device is linearly proportional to temperature (10 mV/°C) and has a DC offset of 500 mV. The offset allows reading negative temperatures without the need for a negative supply.
Documents
Technical documentation and resources
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