The recommended layout and routing for the DS1804-100 involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces between the device and the resistors. Additionally, it's recommended to use a 4-layer PCB with a dedicated analog layer to reduce noise and interference.
To ensure accurate temperature measurement with the DS1804-100, it's essential to calibrate the device, use a high-accuracy voltage reference, and minimize thermal gradients on the PCB. Additionally, the device should be placed close to the temperature sensor, and the sensor should be thermally connected to the device being measured.
The maximum operating temperature range for the DS1804-100 is -40°C to +125°C. However, the device's accuracy and performance may degrade at extreme temperatures, so it's essential to consult the datasheet and application notes for specific temperature-related considerations.
Yes, the DS1804-100 can be used with a different voltage reference, but it's essential to ensure that the reference voltage is stable and accurate. The device is designed to work with a 2.5V or 3.3V reference voltage, but it can be used with other voltages with proper calibration and consideration of the device's specifications.
Common issues with the DS1804-100 include incorrect temperature readings, noise, and oscillations. To troubleshoot these issues, check the PCB layout and routing, ensure proper power supply decoupling, and verify that the device is properly calibrated. Additionally, consult the datasheet and application notes for specific troubleshooting guidelines.
DS1804-100 datasheet
by Maxim Integrated Products
