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Automotive Grade, 0.5°C Accurate 2-pin Temperature Sensor with a Pulse Train Interface

Availability: 4,543


Package | PIN: TO-92 (LPG) | 2
Temp: S (-40 to 150)
Qty Price
1-9 $2.18
10-24 $1.96
25-99 $1.83
100-249 $1.60
250-499 $1.50
500-749 $1.28
750-999 $1.08
1000+ $1.03


  • AEC-Q100 Qualified With the Following Results:
    • Temperature Grade 0 (E): –40°C to +150°C (2)
    • Temperature Grade 1 (Q):–40°C to +125°C
    • HBM ESD Component Classification Level2
    • CDM ESD Component Classification Level C5
  • High Accuracy Over –40°C to 150°C Wide Temperature Range
    • –20°C to 90°C: ±0.5°C (Maximum)
    • 90°C to 120°C: ±0.625°C(Maximum)
    • –40°C to –20°C: ±0.625°C (Maximum)
  • Precision Digital Temperature Measurement Simplified in a 2-Pin Package
  • Pulse Count Current Loop Easily Read by Processor. Pulse Count Proportional to Temperature With 0.0625°C Resolution
  • Communication Frequency: 88 kHz
  • Conversion Current: 34 µA
  • Continuous Temperature Update Every 100 ms
  • Floating 2-V to 5.5-V (VP–VN) Supply Operation With Integrated EMI Immunity
  • Multiple 2-Pin Package Offerings: TO-92/LPG (3.1 mm × 4 mm × 1.5 mm) – ½ the Size of Traditional TO-92 and WSON With Wettable Flanks

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Texas Instruments  LMT01ELPGQ1

The LMT01-Q1 device is a high-accuracy, 2-pin temperature sensor with aneasy-to-use pulse count current loop interface, which makes it suitable for onboard and offboardapplications in automotive, industrial, and consumer markets. The LMT01-Q1 digital pulse count output and high accuracy over a widetemperature range allow pairing with any MCU without concern for integrated ADC quality oravailability, while minimizing software overhead. TI’s LMT01-Q1 device achieves amaximum ±0.5°C accuracy with very fine resolution (0.0625°C) over a temperature range of –20°C to90°C without system calibration or hardware and software compensation.

The LMT01-Q1’s pulse countinterface is designed to directly interface with a GPIO or comparator input, thereby simplifyinghardware implementation. Similarly, the LMT01-Q1’s integrated EMIsuppression and simple 2-pin architecture makes it suitable for onboard and offboard temperaturesensing in a noisy environment. The LMT01-Q1 device can be easilyconverted into a two-wire temperature probe with a wire length up to two meters.