Part Details for AD22100ARZ-RL by Analog Devices Inc

A 4-layer PCB with a solid ground plane and a separate analog ground plane is recommended. Keep the analog and digital grounds separate and connect them at a single point. Use a star-grounding configuration to minimize noise and ensure that the analog and digital circuits are separated.

To ensure accurate temperature measurement, ensure that the thermistor is properly calibrated and matched to the AD22100ARZ-RL. Use a high-precision thermistor with a low tolerance (e.g., ±0.1°C) and follow the recommended thermistor connection and layout guidelines. Also, ensure that the AD22100ARZ-RL is properly calibrated and configured for the specific thermistor used.

The maximum cable length for the thermistor connection to the AD22100ARZ-RL depends on the specific application and noise environment. As a general guideline, keep the cable length as short as possible (less than 1 meter) to minimize noise pickup and ensure accurate temperature measurement. Use shielded cables and twisted pairs to reduce noise and electromagnetic interference (EMI).

To minimize EMI and RFI, use a shielded enclosure for the AD22100ARZ-RL and ensure that all cables and connectors are properly shielded. Use a common-mode choke or ferrite bead on the power supply lines to reduce EMI. Also, ensure that the AD22100ARZ-RL is properly grounded and that the analog and digital grounds are separated.

Use a combination of ceramic and electrolytic capacitors for power supply decoupling. A 10 μF ceramic capacitor and a 10 μF electrolytic capacitor in parallel are recommended. Place the capacitors as close as possible to the AD22100ARZ-RL power pins to minimize noise and ensure stable operation.