At T
A = 25°C, AVDD = 3.3V, IOVDD = 3.3V, f
IN = 1kHz sinusoidal signal, f
S = 48kHz, 32-bit audio data, BCLK = 256×f
S, TDM target mode, and linear-phase decimation and interpolation filters, with differential AC-coupled line-input configuration and 1200Ω line-out load in differential configuration; measured filter-free with an Audio Precision with a 20Hz to 20kHz un-weighted bandwidth, unless otherwise noted
![TAC5142 ADC THD+N Level vs Input TAC5142 ADC THD+N Level vs Input](/ods/images/SLASF28A/GUID-20241022-SS0I-451A-L3OP-7T8QVM04SZSH-low.svg)
AC-coupled differential line input |
Figure 8-2 ADC THD+N Level vs Input
Figure 8-4 DAC THD+N Level vs Input
![TAC5142 ADC FFT with -60dBFS Input TAC5142 ADC FFT with -60dBFS Input](/ods/images/SLASF28A/GUID-20241022-SS0I-IWF8-BBLG-JOJF72KH2ACL-low.svg)
AC-coupled differential line input (-60dBFS) |
Figure 8-3 ADC FFT with -60dBFS Input![TAC5142 DAC FFT with -60dBFS Input TAC5142 DAC FFT with -60dBFS Input](/ods/images/SLASF28A/GUID-20241021-SS0I-XE31-3UT4-QZWL21EY061H-low.svg)
Differential output (-60dBFS input) |
Figure 8-5 DAC FFT with -60dBFS Input