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New high-temperature, 12-bit analogue-to-digital converter

ETLG Inertial Aerosystemsvisit website

 

New high-temperature, 12-bit analogue-to-digital converterETLG Inertial Aerosystems is introducing the HTADC 12 high-temperature, 12-bit analogue-to-digital converter that is manufactured by Honeywell. It is designed to enable reliable measurement and control in high-temperature environments such as those experienced in deep drilling operations and inside jet engines. The technology was developed from the USA Dept of Energy funded Deep Trek programme and is claimed to offer four-times better resolution than competitive offerings.

This versatile ADC is a monolithic 12-bit device that can process 100,000 samples per second. It can operate at 225degC for up to five years or 300degC for one year.

The input of the HTADC 12 allows easy interfacing to sensors for data conversion applications. The direct input supports 0-2.5V signals and includes an on-chip buffer to allow for 5V input signals. The outputs are 12-bit parallel, 2 X 8-bit parallel, and serial. The switched capacitor charge redistribution DAC architecture does not require a sample and hold input stage.

Inertial Aerosystems says the HTADC 12 is applicable for both multiplexed systems that switch full scale voltage levels in successive channels and for sampling single-channel inputs at frequencies up to and well beyond the Nquist rate.

Although this high-quality product is primarily used in hot well oil drilling and large jet engine control systems, there are many other industries where extreme high-temperature is involved and where this product could be used.

For further information contact Derek Noble or Richard Bowman on +44 (0)203 258 0023 or go to www.inertial.co.uk.

 
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