Product category: Sensors and Data Acquisition
News Release from: Microchip Technology | Subject: MCP9700 and MCP9701
Edited by the Electronicstalk Editorial Team on 5 April 2005
Sensors offer a budget alternative
Novel temperature sensors combine low cost, a small SC-70 package and low current consumption of 6uA (typical), making them an attractive alternative to thermistors
Microchip has two novel temperature sensors that offer low cost, a small SC-70 package and low current consumption of 6uA (typical), making them an attractive alternative to thermistors. The MCP9700 and MCP9701 temperature sensors provide a complete solution for thermal protection, temperature measurement or thermal calibration.
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The low power consumption of 6uA (typical) is less than most of the thermal sensor ICs on the market, enabling longer battery life and reducing self-heating for better accuracy.
The linear output slope of the MCP9701 is 19.53mV/C, whereas the MCP9700 output is 10mV/C.
Overall temperature error is +/-4C (maximum) from 0 to 70C.
The low output impedance allows direct connection to an analogue-to-digital convertor input, without the need for buffering amplifiers.
The devices are ideal for use with Microchip's 8bit PIC microcontrollers and 16bit dsPIC digital signal controllers.
The extremely small SC-70 package (40% smaller than an SOT-23) and the elimination of external components results in a more compact board layout.
The MCP9700 and MCP9701 temperature sensors are available today for sampling and volume production.
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