At TA = 25°C, AVDD = 3.3V,
IOVDD = 3.3V, fIN = 1kHz sinusoidal signal, fS = 48 kHz,
32-bit audio data, BCLK = 256×fS, TDM target mode, linear phase
decimation filter, 5kΩ input impedance setting, AC-coupled differential input with
ADC_CHx_CM_TOL = 2'b00, PLL on, channel gain = 0dB, MICBIAS programmed to VREF and
other default configurations; measured filter free with an audio precision with a
20Hz to 20kHz un-weighted banwidth, unless otherwise noted
AC-coupled differential line input |
Figure 5-5 ADC
THD+N Level vs Input
AC-coupled single-ended mux line input with 10kΩ input
impedance setting |
Figure 5-7 ADC
THD+N Level vs Input
AC-coupled differential line input (-60dBFS) |
Figure 5-9 ADC
A-weighted DR vs Frequency
AC-coupled differential line input (-1dBFS) |
Figure 5-11 ADC
THD+N vs Frequency
AC-coupled differential line input (-6dBFS) |
Figure 5-13 ADC
Frequency Response
AC-coupled differential line input |
Figure 5-15 ADC
FFT with –60dBFS Input
DC-coupled differential input with ADC_CHx_CM_TOL =
2'b10 (High CMRR mode) |
Figure 5-17 ADC
CMRR vs Frequency
AC-coupled single-ended line input |
Figure 5-6 ADC
THD+N Level vs Input
AC-coupled differential line input, AVDD = 1.8V |
Figure 5-8 ADC
THD+N Level vs Input
AC-coupled single-ended line input (-60dBFS) |
Figure 5-10 ADC
A-weighted DR vs Frequency
AC-coupled single-ended line input (-1dBFS) |
Figure 5-12 ADC
THD+N vs Frequency
AC-coupled differential line input |
Figure 5-14 ADC
FFT with Idle Channel Input
AC-coupled differential line input |
Figure 5-16 AD
FFT with –1dBFS Input
AC-coupled differential line input |
Figure 5-18 ADC
PSRR vs Frequency