TMP421
TMP422
TMP423
www.ti.com SBOS398C – JULY 2007 – REVISED MAY 2012 ±1°C Remote and Local TEMPERATURE SENSOR
Check for Samples: TMP421, TMP422, TMP423 FEATURES DESCRIPTION The TMP421, TMP422, and TMP423 are remote
temperature sensor monitors with a built-in local
temperature sensor. The remote temperature sensor
diode-connected transistors are typically low-cost,
NPN-or PNP-type transistors or diodes that are an
integral part of microcontrollers, microprocessors, or
FPGAs. 1 234 SOT23-8 and DSBGA (WCSP) PACKAGES
В±1В°C REMOTE DIODE SENSOR (MAX)
В±1.5В°C LOCAL TEMPERATURE SENSOR (MAX)
SERIES RESISTANCE CANCELLATION
n-FACTOR CORRECTION
TWO-WIRE/ SMBusв„ў SERIAL INTERFACE
MULTIPLE INTERFACE ADDRESSES
DIODE FAULT DETECTION
RoHS COMPLIANT AND NO Sb/Br APPLICATIONS PROCESSOR/FPGA TEMPERATURE
MONITORING
LCD/ DLPВ®/LCOS PROJECTORS
SERVERS
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