• Product Introduction

TMP421

+/-8degC remote and local temperature sensors in SOT23-8 package

illustrate   The TMP421, TMP422 and TMP423 temperature sensors are remote monitoring with a built-in local temperature sensor. Remote temperature sensor diodes are typically low-cost, NPN - or PNP type transistors or diodes that are part of a microcontroller, microprocessor, or FPGA. Remote accuracy of ± 1°C from multiple IC manufacturers without the need for calibration. 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-ideal factors, wide remote temperature measurement range (up to +150°C), and diode fault detection.   characteristic   Available in a SOT23-8 package ± 1°C Remote Diode Sensor (Max) ± 1.5°C local temperature sensor (max) Series resistance offset n Factor correction TWO-WIRE/SMBus™ serial interface Multi-interface address Diode fault detection RoHS compliant, antimony/bromine-free apply Processor/FPGATEMPERATURE monitoring LCD Display/Projection ®/LCOS Projector server Local telecommunications equipment Storage area network (SAN).