To minimize EMI and noise, it is recommended to follow a star-grounding scheme, keep analog and digital grounds separate, and use a solid ground plane. Additionally, keep the input and output traces short and away from each other, and use shielding or guard rings around sensitive nodes.
Ensure that the power supply is clean and well-regulated, and decouple the device with a 10uF capacitor in parallel with a 100nF capacitor between VCC and GND. Additionally, use a low-ESR capacitor and place it as close to the device as possible.
The MAX144ACUA+ is rated for operation from -40°C to +125°C, but it's recommended to derate the device for reliable operation above 85°C. Consult the datasheet for specific derating guidelines.
Start by verifying the power supply and decoupling, then check for proper input and output connections. Use an oscilloscope to verify signal integrity and check for noise or oscillations. Consult the datasheet and application notes for specific troubleshooting guidelines.
The MAX144ACUA+ is a commercial-grade device, but Maxim Integrated Products offers a range of high-reliability and aerospace-grade devices. Consult with Maxim's sales team or application engineers to determine the best device for your specific application.
MAX144ACUA+ datasheet
by Maxim Integrated Products
