Single-wire digital output temperature sensor in micro package
1 June 2005
Power Electronics / Power Management
Texas Instruments' TMP141 is a 10-bit resolution digital output temperature sensor with single-wire SensorPath interface protocol.
The TMP141 device, from the company's Burr-Brown product line, can measure temperature without any external sensing components. Its small package size is a good fit for space restricted applications. Additionally, the device's low operating current of 170 μA (max) makes it ideal for supervisory systems in servers and personal computers.
The TMP141 operates over a wide temperature range of -40 to 125°C with typical accuracy of 0,25°C. It also features an extended supply range of 2,7 V to 5,5 V. Its single-wire protocol makes it immune to system-generated noise and the microsize SOT23 package allows easier placement and routing than most digital output temperature sensors currently found in high-performance computing. It is also available in MSOP-8 package.
In addition to monitoring hardware in computer systems, the TMP141 is ideal for industrial electronics, temperature measurement, battery-powered instruments and test equipment applications.
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