ADA-4543-BLKG datasheet by Avago Technologies

ADA-4543-BLKG Frequently Asked Questions (FAQs)

• What is the optimal PCB layout for the ADA-4543-BLKG to minimize noise and ensure optimal performance?
  A 4-layer PCB with a solid ground plane, separate analog and digital power domains, and careful routing of sensitive signals is recommended. Consult the datasheet's layout guidelines and application notes for more information.
• How do I properly drive the clock input (CLK+) and clock return (CLK-) pins to ensure reliable operation?
  Use a low-jitter, differential clock source with a 100-ohm differential impedance. Ensure the clock signal is properly terminated, and the CLK+ and CLK- pins are routed close together to minimize skew.
• What is the recommended power-up sequence for the ADA-4543-BLKG to prevent latch-up or damage?
  Power up the analog supply (AVDD) first, followed by the digital supply (DVDD), and finally the clock signal. Ensure all power supplies are stable before applying the clock signal.
• How do I handle the ADA-4543-BLKG's output data format and word length to ensure compatibility with my system?
  The ADA-4543-BLKG outputs 14-bit data in a binary two's complement format. Ensure your system can handle this format and word length, or use an external FIFO or processor to convert the data if necessary.
• What are the thermal management considerations for the ADA-4543-BLKG, and how can I ensure reliable operation over temperature?
  The ADA-4543-BLKG has a maximum junction temperature of 125°C. Ensure good airflow, use a heat sink if necessary, and follow the recommended thermal design guidelines to maintain a safe operating temperature.