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LMT85, LMT85-Q1

SNIS168C – MARCH 2013 – REVISED OCTOBER 2015

LMT85/LMT85-Q1 SC70/TO-92, Analog Temperature Sensors with Class-AB Output

1 Features

3 Description

The

LMT85/LMT85-Q1

are

precision

CMOS

1

•

LMT85-Q1 is AEC-Q100 Grade 0 qualified and is

integrated-circuit temperature sensors with an analog

manufactured on an automotive grade flow

output

voltage

that

is

linearly

and

inversely

•

Very accurate: ±0.4°C typical

proportional to temperature. Its features make it

•

Wide temperature range of -50°C to 150°C

suitable

for

many

general

temperature

sensing

applications. It can operate down to 1.8V supply with

•

Low 5.4µA quiescent current

5.4 µA power consumption making it ideal for battery

•

Sensor gain of -8.2 mV/°C

powered devices. Package options including through-

•

Packages:

hole TO-92 package allows the LMT85 to be

mounted on-board, off-board, to a heat sink, or on

–

Small SC70 (SOT 5-lead) surface mount

multiple unique locations in the same application. A

–

Leaded TO-92

class-AB output structure gives the LMT85/LMT85-

•

Output is short-circuit protected

Q1 strong output source and sink current capability

that can directly drive up to 1.1 nF capacitive loads.

•

Push-pull output with 50 µA source current

This means it is well suited to drive an analog-to-

capability

digital

converter

sample-and-hold

input

with

its

•

Footprint compatible with the industry-standard

transient load requirements. It has accuracy specified

LM20/19 and LM35 temperature sensor

in the operating range of

−50°C to 150°C. The

•

Cost-effective alternative to thermistors

accuracy, 3-lead package options, and other features

also make the LMT85/LMT85-Q1 an alternative to

2 Applications

thermistors.

•

Automotive

For devices with different average sensor gains and

comparable

accuracy

the

LMT84/LM84-Q1,

•

Industrial

LMT86/LMT86-Q1 and LMT87/LMT87-Q1 (For more

•

White Goods – Appliances

details see Comparable Alternative Devices.)

•

Battery Management

•

Disk Drives

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Games

SOT (5)

2.00 mm x 1.25 mm

•

Wireless Transceivers

LMT85

TO-92 (3)

4.3 mm x 3.5 mm

•

Cell phones

LMT85-Q1

SOT (5)

2.00 mm x 1.25 mm

(1)

For all available packages, see the orderable addendum at

the end of the data sheet.

4 Full-Range Celsius Temperature Sensor (

−50°C to 150°C)

Output Voltage vs Temperature

1

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.