CN-0221 circuit board is a USB temperature monitor circuit board composed of ADuCM360 microcontroller and ADP1720 linear regulator, which can help users quickly and easily integrate the system
This document is a Circuit Note (CN-0221) from Analog Devices describing a USB-based temperature monitoring application. The circuit utilizes the ADuCM360/ADuCM361 precision analog microcontroller, which features dual 24-bit sigma-delta ADCs and an ARM Cortex-M3 core. It is designed to measure temperatures using both a Type T thermocouple and a platinum 100 Ohm RTD for cold junction compensation.
| Microcontroller Core | ARM Cortex-M3 |
|---|---|
| ADC Resolution | Dual 24-bit sigma-delta |
| Internal Reference | 1.2 V |
| Flash Memory | 126 kB |
| SRAM Memory | 8 kB |
| Thermocouple Type | Type T (copper-constantan) |
| Thermocouple Range | -200°C to +350°C |
| USB Transceiver | FT232R |
| UART Baud Rate | 9600 |
The circuit uses the ADuCM360/ADuCM361 precision analog microcontroller.
The application uses a Type T (copper-constantan) thermocouple.
The supported temperature range is from -200°C to +350°C.
A platinum 100 Ohm RTD is used for cold junction compensation.