Texas Instruments LMT87-Q1 Bedienungsanleitung

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LMT87-Q1 2.7-V, SC70,

Analog Temperature Sensors With Class-AB Output

1 Features

•LMT87-Q1-Q1 is AEC-Q100 Qualified for

Automotive Applications:

–Device Temperature Grade 0: –40°C to +150°C

–Device HBM ESD Classification Level 2

–Device CDM ESD Classification Level C6

•Functional Safety-Capable

–Documentation available to aid functional safety

system design

•Very Accurate: ±0.4°C Typical

•Low 2.7-V Operation

•Average Sensor Gain of –13.6 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

2 Applications

•Automotive

•Infotainment and Cluster

•Powertrain Systems

•Smoke and Heat Detectors

•Drones

•Appliances

3 Description

The LMT87-Q1 device 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 2.7-

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 LMT87-Q1-Q1 device

is AEC-Q100 Grade 0 qualified and maintains

±2.7°C maximum accuracy over the full operating

temperature range without calibration; this makes the

LMT87-Q1-Q1 suitable for automotive applications

such as infotainment, cluster, and powertrain systems.

The accuracy over the wide operating range and other

features make the LMT87-Q1 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.

Device Information

(1)

PART NUMBERPACKAGEBODY SIZE (NOM)

LMT87-Q1SOT (5)2.00 mm × 1.25 mm

(1)For all available packages, see the orderable addendum at

the end of the data sheet.

TIME (s)

FINAL TEMPERATURE

020406080100

0

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

D003

LMT8xLPG

Thermistor

* Fast thermal response NTC

Thermal Time Constant

LMT87

OUT

GND

V

DD

C

BP

V

DD

(+2.7V to +5.5V)

Copyright © 2016, Texas Instruments Incorporated

Output Voltage vs Temperature

LMT87-Q1

SNIS202A – OCTOBER 2017 – REVISED JUNE 2022

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

Produktspezifikationen