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High Temperature Electronics Applications |
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 Sensor Instrumentation
Several HTMOS products are useful for sensor instrumentation in extreme temperature environments. Our HT1104 Quad Operational Amplifier is an excellent choice for amplifying/scaling a variety of small output sensor signals such as pressure strain gauges (0-30mV full scale), temperature sensors, LVDT's and proximity sensors. If several sensor signals are required in your system, the low leakage HT1204 Quad Analog Switch or 16:1 or 8:2 Multiplexors (HT506/HT507) may be used to gate sensor signals through a common signal conditioning block. Applications with even smaller sensor signal outputs such as ultra high temperature photo-diodes or accelerometers may require the extremely low leakage (a few pA @250oC) of the HT1104Z high impedance Quad Operational Amplifier.
Down Hole Petroleum And Geothermal Production
HTMOS products are being used in a number of downhole applications including permanent monitoring, intelligent completions, measurement while drilling control and data acquisition systems. The extremely low leakage and bullet proof reliability of the HT1204 Quad Analog Switch and HT1104 Quad Op Amp make them an obvious choice for next generation data logging designs. The broad versatility, computing power, and dependable long-term reliability of the HT83C51 Microcontroller, HT6256 SRAM, and the HT2000 Gate Array make them enabling components for new designs pursuing state-of-the-art high temperature performance for permanent well installations or drill control solutions.
Our ability to engineer vibration and shock resistant High Temperature Multi Chip Modules (MCM) provides the long and skinny package you need to fit inside ever narrower instrument packages. Where the cost of electronic component field failure is often in the millions of $, our HTMOS products and MCM packaging provide an immediate, substantial improvemnt in subsystem reliability at a fraction of the cost of drilling rig downtime. Our extensive reliability program has demonstrated that our components can survive 5 years of continuous operation at 225oC.
Applicable Products: Ceramic Packaged HT1104, HT1204, HT83C51, HT6256, HT2000 And Multi-Chip Modules
Distributed Turbine Engine Controls
HTMOS products are ideal for distributed aircraft and ground based turbine engine control applications including remote pressure transducer communication bus interfaces, digitally networked actuator controls and Full Authority Digital Engine Controllers (FADECs) that have to operate in "hot" environments. The computing power of our HT83C51 Microcontroller and the guaranteed data retention of our HT6256 SRAM make them critical components. Our HTPLREG provides a highly stable voltage regulator function to step down typical engine supply voltage to +5 Volts. Our proven capability to engineer customized High Temperature Multi-Chip-Modules (MCM) provides an ultra reliable, miniaturized package for you. Together, our HTMOS products and MCM packaging enable new distributed control systems that must continuously operate for up to 20,000 hours at temperature.
Applicable Products: Ceramic Packaged HT83C51, HT6256, HTPLREG, HT2000 And Multi-Chip Modules
Distributed Heavy Duty Engine Controls
HTMOS products are ideal for distributed heavy duty engine controls in large diesel or internal combustion engines. Specific applications include cylinder pressure transducer output amplifiers and bus communication electronics, Exhaust Gas Recovery (EGR) valve control electronics and Engine Control Unit (ECU) control electronics that have to operate in environments above 150 oC. Our HT1104 Op Amp, HTVREF Voltage Reference and HT574 A/D converter make an ideal "core" sensor signal amplification and digitization product set for many applications. Our 160,000 gate HT2000 Digital Gate Array coupled with the reliable analog data conversion of our HT574 12 Bit A/D Converter and the guaranteed data retention of our HT6256 SRAM make them critical components in new EGR or ECU designs. Our HTPLREG provides a rock solid voltage regulator function to step down typical battery voltages to +5 Volts. And our HTVREF precision voltage reference provides a temperature insensitive voltage reference for all the signal conditioning products. Die level products are available for direct mounting into Honeywell or customer designed hybrids. Our die level HTMOS products enable new distributed engine controls that must continuously operate for up to 80,000 hours at temperature.
Applicable Products: Die Level HT83C51, HT574, HT6256, HTPLREG, HTVREF And HT2000 |
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