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Local sensor accuracy (max) 2 Type Local Operating temperature range (°C) -55 to 150 Interface type SPI Features UL recognized Supply current (max) (µA) 490 Temp resolution (max) (bps) 11 Remote channels (#) 0 Rating Catalog
Local sensor accuracy (max) 2 Type Local Operating temperature range (°C) -55 to 150 Interface type SPI Features UL recognized Supply current (max) (µA) 490 Temp resolution (max) (bps) 11 Remote channels (#) 0 Rating Catalog
VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm) WSON (NGK) 8 9 mm² (3 mm × 3 mm)
  • 0.25°C Temperature Resolution.
  • Shutdown Mode Conserves Power Between Temperature Reading
  • SPI and MICROWIRE Bus Interface
  • VSSOP-8 and WSON-8 Packages Save Space
  • UL Recognized Component

Key Specifications

  • Supply Voltage 2.65V to 5.5V
  • Supply Current
    • Operating260 μA (typ)490 μA (max)
    • Shutdown12 μA (typ)
  • Temperature Accuracy
    • −40°C to 85°C, ±2°C(max)
    • −10°C to 65°C, +1.5/−2°C(max)
    • −55°C to 125°C, +3/−2°C(max)
    • −55°C to 150°C, +3.5/−2°C(max)

All trademarks are the property of their respective owners.

  • 0.25°C Temperature Resolution.
  • Shutdown Mode Conserves Power Between Temperature Reading
  • SPI and MICROWIRE Bus Interface
  • VSSOP-8 and WSON-8 Packages Save Space
  • UL Recognized Component

Key Specifications

  • Supply Voltage 2.65V to 5.5V
  • Supply Current
    • Operating260 μA (typ)490 μA (max)
    • Shutdown12 μA (typ)
  • Temperature Accuracy
    • −40°C to 85°C, ±2°C(max)
    • −10°C to 65°C, +1.5/−2°C(max)
    • −55°C to 125°C, +3/−2°C(max)
    • −55°C to 150°C, +3.5/−2°C(max)

All trademarks are the property of their respective owners.

The LM70 is a temperature sensor, Delta-Sigma analog-to-digital converter with an SPI and MICROWIRE compatible interface available in WSON and VSSOP 8-pin packages. The host can query the LM70 at any time to read temperature. A shutdown mode decreases power consumption to less than 10 µA. This mode is useful in systems where low average power consumption is critical.

The LM70 has 10-bit plus sign temperature resolution (0.25°C per LSB) while operating over a temperature range of −55°C to +150°C.

The LM70's 2.65V to 5.5V supply voltage range, low supply current and simple SPI interface make it ideal for a wide range of applications. These include thermal management and protection applications in hard disk drives, printers, electronic test equipment, and office electronics.

The LM70 is a temperature sensor, Delta-Sigma analog-to-digital converter with an SPI and MICROWIRE compatible interface available in WSON and VSSOP 8-pin packages. The host can query the LM70 at any time to read temperature. A shutdown mode decreases power consumption to less than 10 µA. This mode is useful in systems where low average power consumption is critical.

The LM70 has 10-bit plus sign temperature resolution (0.25°C per LSB) while operating over a temperature range of −55°C to +150°C.

The LM70's 2.65V to 5.5V supply voltage range, low supply current and simple SPI interface make it ideal for a wide range of applications. These include thermal management and protection applications in hard disk drives, printers, electronic test equipment, and office electronics.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt LM70 SPI/MICROWIRE 10-Bit plus Sign Digital Temperature Sensor datasheet (Rev. G) 22.03.2013
Zertifikat UL Report Vol1-Sec4 Description E232195 09.08.2018
Anwendungshinweis AN-1256 Tiny Temperature Sensors for Portable Systems (Rev. A) 26.04.2013
Anwendungshinweis Tiny Temperature Sensors for Remote Systems 17.02.2003

Design und Entwicklung

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Treiber oder Bibliothek

LM70SW-LINUX — Linux-Treiber für LM70

The Linux driver supports the LM70 series of Temperature Sensors. The Linux driver supports communication through the SPI bus and interfaces with the Hardware Monitoring sub-system.

Linux Mainline Status

Available in Linux Main line: Yes
Available through git.ti.com: N/A

Supported Devices:
  • lm70
  • tmp121
  • (...)
Unterstützte Produkte und Hardware
Simulationsmodell

LM70 IBIS Model

SNIM010.ZIP (17 KB) - IBIS-Modell
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
VSSOP (DGK) 8 Ultra Librarian
WSON (NGK) 8 Ultra Librarian

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