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Date: 29th Jun 2011

High-temperature DAQ evaluation module from TI to design products for harsh conditions

Texas Instruments Incorporated has introduced the H.E.A.T. (harsh environment acquisition terminal) evaluation module (EVM), a high-temperature data acquisition system for extreme temperature. The H.E.A.T. EVM is test-oven ready and qualified to operate up to 200 hours at oven temperatures of up to 200ºC.

H.E.A.T.EVM uses eight channels of analog data and conditions, digitizes and processes these signals for a variety of applications in ruggedized, high-temperature environments including downhole drilling, jet engines and heavy industrial applications says TI.

According to TI H.E.A.T. EVM eliminates the need for expensive up-screening and qualification testing of industrial-grade components for temperature ranges outside their datasheet specifications quickly and safely and cuts development, testing and qualification time by up to one year in harsh environments.

Key features and benefits of the H.E.A.T. EVM as per TI include:
Six channels optimized for temperature, pressure sensors and accelerometers plus two general-purpose channels (fully differential and single-ended).
Comprehensive set of components qualified for operating temperatures from -55ºC to 210ºC and guaranteed for at least 1,000 hours operating life.
ADS1278-HT - octal simultaneous sampling 24-bit 128-KSPS ADC
SM470R1B1M-HT - ARM7 microcontroller
OPA211-HT - low-noise, precision operational amplifier
OPA2333-HT - low-power, zero-drift series operational amplifier
INA333-HT - zero-drift, low-power, single-supply instrumentation amplifier
THS4521-HT - low-power, fully differential amplifier
REF5025-HT - 2.5-V precision voltage reference
SN65HVD233-HT - CAN transceiver
SN65HVD11-HT - RS-485 transceiver
Made with polyimide material, and incorporating high-temperature rated passive components and high-temperature solder material.

To find more information on TI's H.E.A.T. EVM and high-temperature portfolio visit: www.ti.com


 
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