Temperature

Sensor

Circuitry

Control

Logic

Temperature

Register

Manufacturer's

ID Register

Three-Wire

Serial Interface

14-Bit

Delta-Sigma

A/D Converter

SI/O

SC

LM95071/

LM95071-Q1

CS

1

2

3

4

5

CS

GND

SI/O

SC

LM95071/

LM95071-Q1

LM95071, LM95071-Q1

www.ti.com

SNIS137D – AUGUST 2004 – REVISED SEPTEMBER 2013

LM95071/LM95071-Q1 SPI/MICROWIRE 13-Bit Plus Sign Temperature Sensor

Check for Samples: LM95071, LM95071-Q1

1

FEATURES

•

Temperature Accuracy

–

0°C to 70°C ±1°C (max)

23

•

Small SOT-23 Package Saves Space

–

−40°C to 150°C ±2°C (max)

•

Shutdown Mode Conserves Power Between

Temperature Readings

•

Temperature Resolution 0.03125 °C

•

Operates Over a Full

−40°C to +150°C Range

DESCRIPTION

•

SPI and MICROWIRE Bus Interface

The LM95071/LM95071-Q1 is a low-power, high-

•

LM95071-Q1 is AEC-Q100 Grade 0 qualified

resolution digital temperature sensor with an SPI and

and is manufactured on an Automotive Grade

MICROWIRE compatible interface, available in the 5-

flow

pin

SOT-23.

The

host

can

query

the

LM95071/LM95071-Q1

at

any

time

to

read

APPLICATIONS

temperature. Its low operating current is useful in

systems where low power consumption is critical.

•

Automotive

The LM95071/LM95071-Q1 has 13-bit plus sign

•

System Thermal Management

temperature resolution (0.03125°C per LSB) while

•

Portable Electronic Devices

operating over a temperature range of

−40°C to

•

Personal Computers

+150°C.

•

Disk Drives

The LM95071/LM95071-Q1’s 2.4V to 5.5V supply

•

Office Electronics

voltage range, fast conversion rate, low supply

current, and simple SPI interface make it ideal for a

•

Electronic Test Equipment

wide range of applications.

KEY SPECIFICATIONS

•

Supply Voltage 2.4V to 5.5V

•

Supply Current

–

operating 280 µA (typ)

–

shutdown 6 µA (typ)

Simplified Block Diagram

Connection Diagram

SOT-23

(TOP VIEW)

See Package Number DBV (R-PDSO-G5)

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

TRI-STATE is a registered trademark of National Semiconductor Corporation.

3

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2004–2013, 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.