Codebeispiel oder Demo
LMT01
2-Draht-Temperatursensor mit ±0,5 °C Genauigkeit und Impulszähler-Schnittstelle
Datenblatt
LMT01
- High Accuracy Over –50°C to 150°C Wide Temperature Range
- –20°C to 90°C: ±0.5°C (Maximum)
- 90°C to 150°C: ±0.625°C (Maximum)
- –50°C to –20°C: ±0.7°C (Maximum)
- Precision Digital Temperature Measurement Simplified in a 2-Pin Package
- Pulse Count Current Loop Easily Read by Processor. Number of Output Pulses is Proportional to Temperature With 0.0625°C Resolution
- Communication Frequency: 88 kHz
- Conversion Current: 34 µA
- Continuous Conversion Plus Data-Transmission Period: 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
The LMT01 device is a high-accuracy, 2-pin temperature sensor with an easy-to-use pulse count current loop interface, which makes it suitable for onboard and offboard applications in automotive, industrial, and consumer markets. The LMT01 digital pulse count output and high accuracy over a wide temperature range allow pairing with any MCU without concern for integrated ADC quality or availability, while minimizing software overhead. TI’s LMT01 device achieves a maximum ±0.5°C accuracy with very fine resolution (0.0625°C) over a temperature range of –20°C to 90°C without system calibration or hardware and software compensation.
The LMT01’s pulse count interface is designed to directly interface with a GPIO or comparator input, thereby simplifying hardware implementation. Similarly, the LMT01’s integrated EMI suppression and simple 2-pin architecture makes it suitable for onboard and offboard temperature sensing in a noisy environment. The LMT01 device can be easily converted into a two-wire temperature probe with a wire length up to two meters. See LMT01-Q1 for the automotive qualified version.
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Alle anzeigen 5 | Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | LMT01 0.5°C Accurate 2-Pin Digital Output Temperature Sensor With Pulse Count Interface datasheet (Rev. D) | PDF | HTML | 01 Jun 2018 |
| Application note | Temperature sensors: PCB guidelines for surface mount devices (Rev. A) | 18 Jan 2019 | ||
| Technical article | How to select a temperature sensor probe | PDF | HTML | 18 Feb 2016 | |
| EVM User's guide | LMT01EVM User's Guide (Rev. A) | 16 Okt 2015 | ||
| EVM User's guide | LMT01EVM User's Guide | 19 Mär 2015 |
Design und Entwicklung
Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.
Evaluierungsplatine
LMT01EVM — LMT01-Evaluierungsmodul
The LMT01EVM allows users to evaluate the performance of the LMT01 2-pin digital temperature sensor. The EVM comes in a USB stick form factor package with an onboard MSP430F5528 microcontroller that interfaces with the host computer's USB port and the LMT01 device. The EVM features perforated (...)
Benutzerhandbuch: PDF
Firmware
SNIC013 — LMT01EVM Firmware Source v1.21
GUI für Evaluierungsmodul (EVM)
SNIC011 — LMT01EVM GUI v1.12.0.0
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| Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
|---|---|---|
| TO-92 (LPG) | 2 | Ultra Librarian |
| WSON (DQX) | 2 | Ultra Librarian |
Bestellen & Qualität
Beinhaltete Information:
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- Blei-Finish/Ball-Material
- MSL-Rating / Spitzenrückfluss
- MTBF-/FIT-Schätzungen
- Materialinhalt
- Qualifikationszusammenfassung
- Kontinuierliches Zuverlässigkeitsmonitoring
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