The recommended layout and placement for the DS1836DS-20 involves keeping the device away from high-current carrying traces, using a solid ground plane, and placing bypass capacitors close to the device. A 4-layer PCB with a dedicated power plane is also recommended.
To ensure accurate temperature measurement, it's essential to follow proper thermal design practices, such as using a thermally conductive material for the PCB, minimizing thermal gradients, and avoiding heat sources near the device. Additionally, calibrating the device and using a high-accuracy reference voltage can improve accuracy.
The maximum cable length for the 1-Wire interface of the DS1836DS-20 depends on the cable type, noise environment, and data rate. As a general guideline, cable lengths up to 100 meters are possible, but it's recommended to use a repeater or a 1-Wire hub for longer distances.
Yes, the DS1836DS-20 can be used in a multi-drop configuration, where multiple devices are connected to a single 1-Wire bus. However, it's essential to ensure that each device has a unique address and that the bus is properly terminated to prevent signal reflections.
The DS1836DS-20 has a built-in power-on reset and brown-out detection circuitry. To handle power-on reset, connect the RST pin to a pull-up resistor and a capacitor to ensure a clean reset signal. For brown-out detection, connect the BOD pin to a voltage divider and a capacitor to set the desired brown-out detection threshold.
DS1836DS-20 datasheet
by Maxim Integrated Products
