The recommended layout and routing for the DS1809-010 involves keeping the digital and analog traces separate, using a solid ground plane, and minimizing the length of the traces to reduce noise and EMI. It's also recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
To ensure accurate temperature measurement with the DS1809-010, it's essential to follow proper thermal design practices, such as placing the device close to the thermal source, using a thermally conductive material, and minimizing thermal gradients. Additionally, calibrating the device and using a high-accuracy voltage reference can also improve temperature measurement accuracy.
The maximum operating temperature range for the DS1809-010 is -40°C to +125°C, but it's recommended to operate the device within the -20°C to +100°C range for optimal performance and accuracy.
The DS1809-010 can be interfaced with a microcontroller using a 3-wire serial interface (SCL, SDA, and RST). The microcontroller can send commands to the DS1809-010 to read temperature data, configure the device, and perform other functions. The DS1809-010 also has a built-in EEPROM that can store configuration data and calibration coefficients.
The power consumption of the DS1809-010 depends on the operating mode and the frequency of the clock signal. In normal operation, the device consumes around 1.5mA of current, but this can be reduced to around 10µA in shutdown mode.
DS1809-010 datasheet
by Maxim Integrated Products
