CDCP1803MRGETEP datasheet by Texas Instruments

CDCP1803MRGETEP Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal performance of the CDCP1803MRGETEP?
  A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output traces short and away from each other to minimize noise and crosstalk.
• How do I ensure the CDCP1803MRGETEP is properly powered and decoupled?
  Use a high-quality, low-ESR capacitor (e.g., 10uF) as close as possible to the VCC pin. Add additional decoupling capacitors (e.g., 100nF) near the device's power pins. Ensure the power supply is stable and can provide the required current.
• What is the maximum clock frequency that can be used with the CDCP1803MRGETEP?
  The maximum clock frequency is 180 MHz, but it's recommended to operate at a lower frequency (e.g., 100 MHz) to ensure reliable operation and minimize power consumption.
• How do I handle the CDCP1803MRGETEP's thermal management?
  Use a thermal pad or a heat sink to dissipate heat. Ensure good airflow around the device. Operate the device within the recommended temperature range (–40°C to 85°C) to prevent overheating.
• What is the recommended input signal amplitude and termination for the CDCP1803MRGETEP?
  Use a differential input signal with an amplitude of 200-400 mV. Terminate the input with a 100-ohm differential resistor and a 50-ohm series resistor to ensure proper signal integrity.