1FEATURES

23• SUPPORTS 1.8V I2C™ BUS

• TWO ADDRESSES

• DIGITAL OUTPUT: Two-Wire Serial Interface

• RESOLUTION: 9- to 12-Bits, User-Selectable

• ACCURACY:

– ±2.0°C (max) from –25°C to +85°C

– ±3.0°C (max) from –40°C to +125°C

• LOW QUIESCENT CURRENT:

50μA, 1.5μA Standby

• NO POWER-UP SEQUENCE REQUIRED, I2C

PULLUPS CAN BE ENABLED PRIOR TO V+

APPLICATIONS

• CELL PHONES

• COMPUTER PERIPHERAL THERMAL

PROTECTION

• NOTEBOOK COMPUTERS

• BATTERY MANAGEMENT

• THERMOSTAT CONTROLS

• ENVIRONMENTAL MONITORING AND HVAC

DESCRIPTION

The TMP105 is a two-wire, serial output temperature sensor available in a WCSP package. Requiring no

external components, the TMP105 is capable of

reading temperatures with a resolution of 0.0625°C.

The TMP105 features a Two-Wire interface that is

SMBus-compatible, with the TMP105 allowing up to

two devices on one bus. The TMP105 features an SMBus Alert function.

The TMP105 is ideal for extended temperature

measurement in a variety of communication,

computer, consumer, environmental, industrial, and

instrumentation applications.

The TMP105 is specified for operation over a

temperature range of –40°C to +125°C.