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TMP421 Datasheet

Part Number TMP421
Manufacturers Texas Instruments
Logo Texas Instruments
Description Remote and Local TEMPERATURE SENSOR
Datasheet TMP421 DatasheetTMP421 Datasheet (PDF)

www.ti.com TMP421 TMP422 TMP423 SBOS398C – JULY 2007 – REVISED MAY 2012 ±1°C Remote and Local TEMPERATURE SENSOR Check for Samples: TMP421, TMP422, TMP423 FEATURES 1 •234 SOT23-8 and DSBGA (WCSP) PACKAGES • ±1°C REMOTE DIODE SENSOR (MAX) • ±1.5°C LOCAL TEMPERATURE SENSOR (MAX) • SERIES RESISTANCE CANCELLATION • n-FACTOR CORRECTION • TWO-WIRE/ SMBus™ SERIAL INTERFACE • MULTIPLE INTERFACE ADDRESSES • DIODE FAULT DETECTION • RoHS COMPLIANT AND NO Sb/Br APPLICATIONS • PROCESSOR/FPGA TEMPERATURE M.

  TMP421   TMP421






Part Number TMP421
Manufacturers Burr-Brown Corporation
Logo Burr-Brown Corporation
Description (TMP421 / TMP422) Remote and Local TEMPERATURE SENSOR
Datasheet TMP421 DatasheetTMP421 Datasheet (PDF)

BurrĆBrown Products from Texas Instruments TMP421 TMP422 SBOS398A – JULY 2007 – REVISED SEPTEMBER 2007 ±1°C Remote and Local TEMPERATURE SENSOR in SOT23-8 1 FEATURES SOT23-8 PACKAGE ±1°C REMOTE DIODE SENSOR (MAX) ±1.5°C LOCAL TEMPERATURE SENSOR (MAX) SERIES RESISTANCE CANCELLATION n-FACTOR CORRECTION TWO-WIRE/SMBus™ SERIAL INTERFACE MULTIPLE INTERFACE ADDRESSES DIODE FAULT DETECTION RoHS COMPLIANT AND NO Sb/Br DESCRIPTION The TMP421 and TMP422 are remote temperature sensor monitors with a bu.

  TMP421   TMP421







Remote and Local TEMPERATURE SENSOR

www.ti.com TMP421 TMP422 TMP423 SBOS398C – JULY 2007 – REVISED MAY 2012 ±1°C Remote and Local TEMPERATURE SENSOR Check for Samples: TMP421, TMP422, TMP423 FEATURES 1 •234 SOT23-8 and DSBGA (WCSP) PACKAGES • ±1°C REMOTE DIODE SENSOR (MAX) • ±1.5°C LOCAL TEMPERATURE SENSOR (MAX) • SERIES RESISTANCE CANCELLATION • n-FACTOR CORRECTION • TWO-WIRE/ SMBus™ SERIAL INTERFACE • MULTIPLE INTERFACE ADDRESSES • DIODE FAULT DETECTION • RoHS COMPLIANT AND NO Sb/Br APPLICATIONS • PROCESSOR/FPGA TEMPERATURE MONITORING • LCD/ DLP®/LCOS PROJECTORS • SERVERS • CENTRAL OFFICE TELECOM EQUIPMENT • STORAGE AREA NETWORKS (SAN) 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. Remote accuracy is ±1°C for multiple IC manufacturers, with no calibration needed. The twowire serial interface accepts SMBus write byte, read byte, send byte, and receive byte commands to configure the device. The TMP421, TMP422, and TMP423 include series resistance cancellation, programmable non-ideality factor, wide remote temperature measurement range (up to +150°C), and diode fault detection. The TMP421, TMP422, and TMP423 are all available in a SOT23-8 package. The TMP421C is also available in a DSBGA (WCSP) package. TMP421 1 DXP 2 DXN 3 A1 4 A0 1 Channe.


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