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說明

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 two-wire 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, porgrammable non-ideality factor, wide remote temperature measurment range (up to +150°C), and diode fault detection.

特性

• 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
• APPLICATIONS
  • PROCESSOR/FPGATEMPERATURE MONITORING
  • LCD/DLP®/LCOS PROJECTORS
  • SERVERS
  • CENTRAL OFFICE TELECOM EQUIPMENT
  • STORAGE AREA NETWORKS (SAN)

DLP is a registered trademark of Texas Instruments.
SMBus is a trademark of Intel Corporation.
All other trademarks are the property of their respective owners.