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.