Microchip’s MCP9604 thermocouple conditioning IC reduces the fee and complexity of in-line manufacturing purposes that function in excessive and low temperature extremes
Precision four-channel temperature measurement is vital for production-line purposes starting from chemical and meals processing, manufacturing course of management and medical and HVAC gear to refrigerated, cryogenic and different rigorously managed environments. With the introduction of the MCP9604 built-in thermocouple conditioning IC, Microchip Know-how has overcome a thermal measurement and integration barrier with the primary single-chip, four-channel I2C thermocouple conditioning IC to ship as much as ± 1.5°C accuracy and supply a substitute for discrete and multichip thermocouple conditioning options that may introduce errors and add system design complexity.
“For greater than two centuries, the thermocouple has been a vital software for measuring extraordinarily excessive temperatures, however the vital precision and accuracy couldn’t be achieved with the extent of integration and cost-effectiveness that’s required for in the present day’s demanding production-line purposes,” stated Keith Pazul, vp of Microchip’s mixed-signal linear enterprise unit. “Our machine now delivers a mix of precision, integration and cost-effectiveness, serving to cut back the necessity for as many as 15 discrete parts and related system design challenges.”
The MCP9604 machine delivers its superior measurement accuracy at 4 thermocouple areas through the use of higher-order NIST ITS-90 equations relatively than the single-order linear approximations of analog amplifier designs. For instance, it achieves ninth-order accuracy with Okay-type thermocouples, multi function built-in chip containing the ADCs, chilly junction compensation temperature sensors, amplifiers and different parts required for the sign chain, temperature measurement and math engine.
Eradicating the necessity for exterior parts simplifies PCB design, reduces invoice of supplies prices, and may help eradicate the weeks of expensive, time-consuming and complicated unit-by-unit in-line validation and calibration that discrete options require within the thermocouple measurement sign chain earlier than they will start reporting information to the host system.
The MCP9604 additionally presents flexibility and flexibility by supporting the eight commonest thermocouple sorts together with the J choice in addition to the Okay choice for working at temperatures as little as
-200°C. Along with supporting a large, -200°C to +1372°C temperature vary throughout a various vary of business purposes, the MCP9604 additionally helps I2C communication to permit straightforward integration with microcontrollers and different digital techniques.
Constructing on Earlier Developments
The MCP9604 builds on the discharge of Microchip’s single-channel thermocouple conditioning IC, the primary all-in-one machine to ship as much as ± 1.5°C accuracy. The core competencies that made this machine potential have paved the way in which for the corporate’s four-channel single-chip MCP9604 machine that delivers its digital temperature studying with industry-high accuracy ranges for an I2C thermocouple conditioning machine.
