Maxim Integrated recommends following a star-connected layout for the device, with the VCC pin connected to a low-impedance power source and the GND pin connected to a solid ground plane. Additionally, keep the input and output traces short and away from noise sources, and use a 0.1uF decoupling capacitor between VCC and GND.
To ensure accurate temperature measurement, make sure the device is properly calibrated, and the thermistor is properly connected and not subject to self-heating. Also, ensure that the device is operated within its specified temperature range and that the power supply is stable and noise-free.
The maximum cable length for the 1-Wire interface of the DS1682S/T&R is approximately 100 meters, depending on the cable type and quality. However, it's recommended to keep the cable length as short as possible to minimize signal attenuation and noise pickup.
Yes, the DS1682S/T&R can be used in a multi-drop configuration, where multiple devices are connected to a single 1-Wire bus. However, each device must have a unique address, and the master device must be able to handle the increased bus capacitance and signal loading.
The DS1682S/T&R uses a CRC-based error detection mechanism. If an error is detected, the master device should retry the transaction. The number of retries depends on the application requirements, but a typical value is 3-5 retries. If the error persists, the master device should take appropriate action, such as resetting the bus or alerting the user.
DS1682S/T&R datasheet
by Maxim Integrated Products
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