Product details

Local sensor accuracy (max) 2.7 Operating temperature range (°C) -50 to 150 Supply voltage (min) (V) 1.8 Supply voltage (max) (V) 5.5 Supply current (max) (µA) 8.1 Interface type Analog output Sensor gain (mV/°C) -8.2 Rating Catalog Features Industry standard pinout
Local sensor accuracy (max) 2.7 Operating temperature range (°C) -50 to 150 Supply voltage (min) (V) 1.8 Supply voltage (max) (V) 5.5 Supply current (max) (µA) 8.1 Interface type Analog output Sensor gain (mV/°C) -8.2 Rating Catalog Features Industry standard pinout
SOT-SC70 (DCK) 5 4.2 mm² 2 x 2.1 TO-92 (LP) 3 19.136 mm² 5.2 x 3.68 TO-92 (LPG) 3 6.08 mm² 4 x 1.52
  • LMT85LPG (TO-92S package) has a Fast Thermal Time Constant, 10-s Typical (1.2 m/s Airflow)
  • Very Accurate: ±0.4°C Typical
  • Low 1.8-V Operation
  • Average Sensor Gain of -8.2 mV/°C
  • Low 5.4-µA Quiescent Current
  • Wide Temperature Range: –50°C to 150°C
  • Output is Short-Circuit Protected
  • Push-Pull Output With ±50-µA Drive Capability
  • Footprint Compatible With the Industry-Standard LM20/19 and LM35 Temperature Sensors
  • Cost-Effective Alternative to Thermistors
  • LMT85LPG (TO-92S package) has a Fast Thermal Time Constant, 10-s Typical (1.2 m/s Airflow)
  • Very Accurate: ±0.4°C Typical
  • Low 1.8-V Operation
  • Average Sensor Gain of -8.2 mV/°C
  • Low 5.4-µA Quiescent Current
  • Wide Temperature Range: –50°C to 150°C
  • Output is Short-Circuit Protected
  • Push-Pull Output With ±50-µA Drive Capability
  • Footprint Compatible With the Industry-Standard LM20/19 and LM35 Temperature Sensors
  • Cost-Effective Alternative to Thermistors

The LMT85 is a precision CMOS temperature sensor with ±0.4°C typical accuracy (±2.7°C maximum) and a linear analog output voltage that is inversely proportional to temperature. The 1.8-V supply voltage operation, 5.4-µA quiescent current, and 0.7-ms power-on time enable effective power-cycling architectures to minimize power consumption for battery-powered applications such as drones and sensor nodes. The LMT85LPG through-hole TO-92S package fast thermal time constant supports off-board time-temperature sensitive applications such as smoke and heat detectors. The accuracy over the wide operating range and other features make the LMT85 an excellent alternative to thermistors.

For devices with different average sensor gains and comparable accuracy, refer to Comparable Alternative Devices for alternative devices in the LMT8x family.

The LMT85 is a precision CMOS temperature sensor with ±0.4°C typical accuracy (±2.7°C maximum) and a linear analog output voltage that is inversely proportional to temperature. The 1.8-V supply voltage operation, 5.4-µA quiescent current, and 0.7-ms power-on time enable effective power-cycling architectures to minimize power consumption for battery-powered applications such as drones and sensor nodes. The LMT85LPG through-hole TO-92S package fast thermal time constant supports off-board time-temperature sensitive applications such as smoke and heat detectors. The accuracy over the wide operating range and other features make the LMT85 an excellent alternative to thermistors.

For devices with different average sensor gains and comparable accuracy, refer to Comparable Alternative Devices for alternative devices in the LMT8x family.

Download View video with transcript Video

Similar products you might be interested in

open-in-new Compare alternates
Drop-in replacement with upgraded functionality to the compared device
LMT85-Q1 ACTIVE Automotive Grade, 1.8V-Capable, 10 uA Analog Output Temperature Sensor Automotive qualified version
Pin-for-pin with same functionality to the compared device
LMT84 ACTIVE 1.5V-Capable, 10 uA Analog Output Temperature Sensor in SC70 and TO-92 Higher sensor gain (-5.5 mV/°C) in pin-compatible package
LMT86 ACTIVE 2.2V-Capable, 10 uA Analog Output Temperature Sensor in SC70 and TO-92 Lower sensor gain (-8.2 mV/°C) in pin-compatible package
TMP235 ACTIVE 1C analog temperature sensor, 10 mV/C Higher accuracy (±1°C) and higher sensor gain (10mV/°C) in a pin-compatible package for cost-optimized designs.
Same functionality with different pin-out to the compared device
LM94022 ACTIVE ±1.5°C Temperature Sensor with Multiple Gain and Class-AB Analog Output Pin-selectable gain device (-13.6, -10.9, -8.2, and -5.5 mV/°C) in package with similar pinout

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 4
Type Title Date
* Data sheet LMT85 1.8-V, SC70/TO-92/TO-92S, Analog Temperature Sensors datasheet (Rev. E) PDF | HTML 20 Oct 2017
Application note SC Temp Sensors Challenge Precision RTDs and Thermistors in Build Automation (Rev. A) 08 May 2019
More literature Analog Temperature Sensors 18 Apr 2013
EVM User's guide Using the LMT84-7 Evaluation Board 06 Feb 2013

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

LMT84-7EVM — EVM for LMT84, LMT85, LMT86 and LMT87 Temperature Sensor

The Texas Instruments LMT84-7EVM evaluation module (EVM) helps designers evaluate the operation and performance of the LMT84, LMT85, LMT86, and LMT87 analog temperature sensors.

User guide: PDF
Not available on TI.com
Calculation tool

SNIC007 LMT85 Look-Up Table

Supported products & hardware

Supported products & hardware

Products
Analog temperature sensors
LMT85 1.8V-Capable, 10 uA Analog Output Temperature Sensor in SC70 and TO-92 LMT85-Q1 Automotive Grade, 1.8V-Capable, 10 uA Analog Output Temperature Sensor
Package Pins Download
SOT-SC70 (DCK) 5 View options
TO-92 (LP) 3 View options
TO-92 (LPG) 3 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos