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Product Description

The aSC7531 is a high-precision CMOS temperature sensor and voltage monitor with Simple Serial Transport (SST) compatible serial digital interface, intended for use in PC hardware monitor applications.

Features

• On-chip and remote temperature sensors

• Accuracy:

o +/- 3°C over operational range

o Internal +/- 2°C over 40°C to 70°C

o Remote +/- 1°C over 50°C to 70°C

• Operational Range: -40°C to 125°C

• Temperature resolution: 0.125°C

• Voltage monitoring of 12V, 5V, 3.3V, 2.5V and Vccp to +/- 2 accuracy, 7.8mV resolution

• 1-wire SST serial interface

• Negotiable SST signaling rate up to 2-Mbps

• Internally corrected for diode non-ideality and series resistance

• 3-state address pin sets one of 3 SST bus address 0x48 through 0x4A

• 10-lead MSOP package

• MSL-1 per JEDEC J-STD-020C

• Pb-free Matte Sn lead finish & RoHS Compliant Packages

Applications

Desktop and Notebook Computers