Cirrus Logic AN257 User Manual
Cirrus Logic Hardware
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Table of contents
Document Outline
- 1. Introduction
- 2. PSR Feedback Measurement Procedure
- 2.1 Power Supply Rejection Performance Test
- Figure 1. FFT Amplitude vs. Frequency, Channel A = 1kHz, -1dBFS, Channel B = disabled, PSR feed...
- Figure 2. FFT Amplitude vs. Frequency, Channel A = 1kHz, -1dBFS, Channel B = 60Hz, 0 dBFS, PSR...
- Figure 3. FFT Amplitude vs. Frequency, Channel A = 1kHz, -1dBFS, Channel B = 60Hz, 0 dBFS, PSR...
- Figure 4. FFT Amplitude vs. Frequency, Figure 2 & Figure 3 overlay
- Figure 5. FFT Amplitude vs. Frequency, Channel A = 1kHz, -60dBFS, Channel B = 60Hz, 0 dBFS, PS...
- 2.2 PSR Feedback Performance Versus Frequency
- 2.3 Power Supply Droop Test
- 2.1 Power Supply Rejection Performance Test
- 3. Revision History