Precision Industrial Temperature Control

Industrial control processes often require accurate temperature monitoring and control. By using the Renesas 32-bit RX23E-A microcontroller (MCU) with a precision analog front end, this system by provides accurate temperature measurements with a minimal number of components.

System Benefits

• Highly-integrated MCU with 24-bit delta-sigma ADC allows for minimal components
• RS-485 transceiver with high electrostatic discharge (ESD) protection for robust industrial interfaces
• Low noise power component selection
• 32 MHz, 32-bit MCU with built-in analog front end and 24-bit delta-sigma ADCs
• Wide V_IN 500 mA synchronous Buck regulator
• High-current LDO with low I_Q and high PSRR
• Ultra-low noise, high DC accuracty precision voltage reference with a wide input voltage range
• 1.9 µV_P-P 0.1 Hz to 10 Hz noise with an initial voltage accuracy of 0.02% and 7 ppm/°C