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SENSOR DIGITAL -40C-125C SOT23-8
• AEC-Q100 Qualified with the Following Results
– Temperature Grade 1: –40°C to +125°C
– Device HBM ESD Classification Level 2
– Device CDM ESD Classification Level C5
• SOT23-8 Package
• ±1°C Remote Diode Sensor (Maximum)
• ±1.5°C Local Temperature Sensor (Maximum)
• Series Resistance Cancellation
• n-Factor Correction
• Two-Wire I2C or SMBus™ Compatible Serial Interface
• Multiple Interface Addresses
• Diode Fault Detection
• RoHS Compliant and No Sb/Br
• Processor and FPGA Temperature Monitoring
• LCD, DLP, and LCOS Projectors
• Central Office Telecom Equipment
• Storage Area Networks (SAN)
The TMP421-Q1, TMP422-Q1, and TMP423-Q1 devices are single, dual, and triple remote, automotive-qualified 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 field-programmable gate arrays (FPGAs).
Remote accuracy is ±1°C for multiple device 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-Q1, TMP422-Q1, and TMP423-Q1include series resistance cancellation, programmable non-ideality factor, wide remote temperature measurement range (up to +150°C), and diode fault detection.
The TMP421-Q1, TMP422-Q1, and TMP423-Q1 are all available in an 8-pin SOT-23 package.
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