SVA-1268123

SVA-1268101

SVA-1268102

LM60/LM60-Q1

LM60/LM60-Q1

www.ti.com

SNIS119D – MAY 2004 – REVISED NOVEMBER 2012

LM60/LM60-Q1 2.7V, SOT-23 or TO-92 Temperature Sensor

Check for Samples: LM60/LM60-Q1

1

FEATURES

DESCRIPTION

The LM60/LM60-Q1 is a precision integrated-circuit

•

Calibrated linear scale factor of +6.25 mV/°C

temperature sensor that can sense a

−40°C to

•

Rated for full

−40°C to +125°C range

+125°C temperature range while operating from a

•

Suitable for remote applications

single +2.7V supply. The LM60/LM60-Q1's output

voltage is linearly proportional to Celsius (Centigrade)

•

Available in SOT-23 and TO-92 packages

temperature (+6.25 mV/°C) and has a DC offset of

•

LM60Q is AEC-Q100 Grade 1 qualified and is

+424

mV.

The

offset

allows

reading

negative

manufactured on an Automotive Grade flow.

temperatures without the need for a negative supply.

The nominal output voltage of the LM60/LM60-Q1

APPLICATIONS

ranges from +174 mV to +1205 mV for a

−40°C to

+125°C temperature range. The LM60/LM60-Q1 is

•

Automotive

calibrated to provide accuracies of ±2.0°C at room

•

Cell Phones & Computers

temperature and ±3°C over the full

−25°C to +125°C

•

Power Supply Modules

temperature range.

•

Battery Management

The LM60/LM60-Q1's linear output, +424 mV offset,

•

FAX Machines & Printers

and factory calibration simplify external circuitry

required in a single supply environment where

•

HVAC & Disk Drives

reading negative temperatures is required. Because

•

Appliances

the LM60/LM60-Q1's quiescent current is less than

110

μA, self-heating is limited to a very low 0.1°C in

KEY SPECIFICATIONS

still air in the SOT-23 package. Shutdown capability

for

the

LM60/LM60-Q1

is

intrinsic

because

its

•

Accuracy at 25°C: ±2.0°C and ±3.0°C (max)

inherent low power consumption allows it to be

•

Accuracy for

−40°C to +125°C: ±4.0°C (max)

powered directly from the output of many logic gates.

•

Accuracy for

−25°C to +125°C: ±3.0°C (max)

TYPICAL APPLICATION

•

Temperature Slope: +6.25mV/°C

•

Power Supply Voltage Range: +2.7V to +10V

•

Current Drain at 25°C: 110

μA (max)

•

Nonlinearity: ±0.8°C (max)

•

Output Impedance: 800

Ω (max)

CONNECTION DIAGRAMS

SOT-23 (TOP VIEW)

Temperature (T)

Typical VO

+125°C

+1205 mV

+100°C

+1049 mV

+25°C

+580 mV

TO-92 (BOTTOM VIEW)

0°C

+424 mV

–25°C

+268 mV

–40°C

+174 mV

Figure 1. Full-Range Centigrade Temperature Sensor

(

−40°C to 125°C) Operating from a Single Li-Ion

Battery Cell

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.

PRODUCTION DATA information is current as of publication date.

Copyright © 2004–2012, 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.