0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

±50

0

50

100

150

TEMPERATURE (

ƒC)

C001

LMT87

GND

OUT

4

5

1

2

3

LMT87, LMT87-Q1

www.ti.com

SNIS170A – MARCH 2013 – REVISED JUNE 2013

LMT87/LMT87-Q1 SC70, Analog Temperature Sensors with Class-AB Output

Check for Samples: LMT87, LMT87-Q1

1

FEATURES

DESCRIPTION

The LMT87/LMT87-Q1 are precision analog output

2

•

LMT87-Q1 is AEC-Q100 Grade 0 qualified and

CMOS

integrated-circuit

temperature

sensors.

A

is Manufactured on an Automotive Grade Flow

class-AB output structure gives the LMT87/LMT87-

•

Push-Pull Output with 50 µA Source Current

Q1 strong output source and sink current capability

Capability

for driving heavy loads. This means it is well suited to

source the input of a sample-and-hold analog-to-

•

Very Accurate Over Wide Temperature Range

digital converter with its transient load requirements.

of

−50°C to 150°C

While operating over the wide temperature range of

•

Low Quiescent Current

−50°C to 150°C, the device delivers an output voltage

•

Output is Short-Circuit Protected

that

is

inversely

proportional

to

measured

temperature.

The

LMT87/LMT87-Q1

low

supply

•

Extremely Small SC70 Package

current makes it ideal for battery-powered systems as

•

Cost-Effective Alternative to Thermistors

well as general temperature sensing applications.

The LMT87/LMT87-Q1 can operate with a 2.7 V

APPLICATIONS

supply while measuring temperature over the full

•

Automotive

−50°C to 150°C operating range.

•

Industrial

The

LMT87/LMT87-Q1

are

cost-competitive

•

White Goods

alternative to thermistors.

•

Battery Management

•

Disk Drives

•

Appliances

•

Games

•

Wireless Transceivers

•

Cell phones

CONNECTION DIAGRAM

TYPICAL TRANSFER CHARACTERISTIC

Output Voltage vs Temperature

Figure 1. SOT Top View

See Package Number DCK0005A

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.