FOD8173 datasheet by onsemi

FOD8173 Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal performance of FOD8173?
  A good PCB layout for FOD8173 involves keeping the input and output traces short and separate, using a ground plane to reduce noise, and placing the device close to the photodiode to minimize stray capacitance.
• How do I ensure the FOD8173 is properly biased for optimal performance?
  The FOD8173 requires a bias voltage of 5V to 15V, and the recommended bias current is 10mA to 20mA. Ensure the bias voltage is stable and noise-free, and use a resistor to limit the current to the recommended value.
• What is the maximum allowable temperature range for the FOD8173?
  The FOD8173 is rated for operation from -40°C to 85°C, but it's recommended to operate it within -20°C to 70°C for optimal performance and reliability.
• How do I handle ESD protection for the FOD8173?
  The FOD8173 has built-in ESD protection, but it's still recommended to follow proper ESD handling procedures during assembly and testing, such as using an ESD wrist strap and ESD-safe work surfaces.
• What is the recommended soldering profile for the FOD8173?
  The recommended soldering profile for FOD8173 is a peak temperature of 260°C, with a dwell time of 10-30 seconds above 220°C. Ensure the soldering process is done in a nitrogen atmosphere to prevent oxidation.