MCU

TMP103A

TMP103B

TMP103C

SCL

SCL

SCL

SDA

SDA

SDA

Out

IO

V+

V+

TMP103

www.ti.com

SBOS545A

– FEBRUARY 2011 – REVISED MARCH 2011

Low-Power, Digital Temperature Sensor

with Two-Wire Interface in WCSP

Check for Samples: TMP103

1

FEATURES

DESCRIPTION

The TMP103 is a digital output temperature sensor in

234

•

Multiple Device Access (MDA):

a four-ball wafer chip-scale package (WCSP). The

– Global Read/Write Operations

TMP103 is capable of reading temperatures to a

•

™-/ SMBus™-Compatible Interface

resolution of 1

°C.

•

Resolution: 8 Bits

The TMP103 features a two-wire interface that is

•

Accuracy:

±1°C Typ (–10°C to +100°C)

addition,

the

interface

supports

multiple

device

•

Low Quiescent Current:

access (MDA) commands that allow the master to

communicate with multiple devices on the bus

– 1μA Shutdown

simultaneously,

eliminating

the

need

to

send

individual commands to each TMP103 on the bus.

•

Supply Range: 1.4V to 3.6V

•

Digital Output

Up to eight TMP103s can be tied together in parallel

and easily read by the host. The TMP103 is

•

Package: 4-Ball WCSP (DSBGA)

especially

ideal

for

space-constrained,

power-sensitive

applications

with

multiple

APPLICATIONS

temperature

measurement

zones

that

must

be

•

Handsets

monitored.

•

Notebooks

The TMP103 is specified for operation over a

temperature range of

–40°C to +125°C.

TYPICAL APPLICATION

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

SMBus is a trademark of Intel.

3

4

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright

© 2011, 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.