CS5520-BSZ datasheet by Cirrus Logic

CS5520-BSZ Frequently Asked Questions (FAQs)

• What is the recommended power-up sequence for the CS5520-BSZ?
  The recommended power-up sequence is to apply VDD first, followed by VCC, and then the analog power supplies (AVDD and DVDD). This ensures proper device operation and prevents latch-up.
• How do I optimize the performance of the CS5520-BSZ in my design?
  To optimize performance, ensure proper PCB layout, decoupling, and grounding. Use a low-ESR capacitor for the analog power supply, and keep the analog and digital grounds separate. Additionally, use a clock signal with low jitter and a stable voltage reference.
• What is the maximum clock frequency supported by the CS5520-BSZ?
  The CS5520-BSZ supports clock frequencies up to 50 MHz. However, the actual clock frequency may be limited by the specific application and system requirements.
• How do I configure the CS5520-BSZ for different gain settings?
  The CS5520-BSZ has a programmable gain amplifier (PGA) that can be configured through the SPI interface. Use the SPI commands to set the desired gain, which can be adjusted in 1 dB steps from 0 dB to 60 dB.
• What is the typical current consumption of the CS5520-BSZ?
  The typical current consumption of the CS5520-BSZ is around 35 mA, but this can vary depending on the specific application, clock frequency, and gain settings.