Maxim provides a recommended PCB layout in the datasheet, but it's also important to follow general high-frequency PCB design guidelines, such as using a solid ground plane, minimizing trace lengths, and avoiding vias under the device. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
Proper bypassing is crucial for the DS1085LZ-5+. Use a 10uF ceramic capacitor with a 0.1uF ceramic capacitor in parallel, placed as close as possible to the VCC pin. This will help filter out high-frequency noise and ensure stable operation.
The DS1085LZ-5+ has an operating temperature range of -40°C to +85°C. However, it's essential to note that the device's performance may degrade at higher temperatures, and it's recommended to operate it within a temperature range of 0°C to +70°C for optimal performance.
The DS1085LZ-5+ has an output voltage tolerance of ±2%. This means that the output voltage can vary by up to 2% from the nominal value. To handle this tolerance, it's recommended to design the system with a margin of error, ensuring that the output voltage is within the acceptable range for the downstream components.
The recommended input voltage range for the DS1085LZ-5+ is 2.7V to 5.5V. Operating the device outside of this range may affect its performance, stability, and reliability.
DS1085LZ-5+ datasheet
by Maxim Integrated Products
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