at TA = 25°C, AVDD = 3.3 V, IOVDD = 3.3
V, fIN = 1-kHz sinusoidal signal, fS = 48 kHz, PDMCLKx = 64 ×
fS, 32-bit audio data, BCLK = 256 × fS, TDM slave mode,
PLL on, and linear phase decimation filter (unless otherwise noted); all performance
measurements are done with a 20-kHz, low-pass filter and an A-weighted filter
(unless otherwise noted); all measurements are done by feeding the device PDM
digital input signal using audio precision
![THD+N
vs Input Amplitude GUID-20201217-CA0I-T3GX-BCBF-PCRKZZKWG1M4-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-T3GX-BCBF-PCRKZZKWG1M4-low.gif)
5th-order PDM modulator with PDMCLKx = 3.072
MHz |
Figure 6-4 THD+N
vs Input Amplitude![Frequency Response With a –20-dBr Input GUID-20201217-CA0I-HFHV-KBQT-6H5LZFNCQN8L-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-HFHV-KBQT-6H5LZFNCQN8L-low.gif)
5th-order PDM modulator with PDMCLKx = 3.072
MHz |
Figure 6-6 Frequency Response With a –20-dBr Input![THD+N
vs Input Amplitude GUID-20201217-CA0I-CPL0-KWJN-4B2GVHQBN0XG-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-CPL0-KWJN-4B2GVHQBN0XG-low.gif)
4th-order PDM modulator with PDMCLKx = 3.072
MHz |
Figure 6-8 THD+N
vs Input Amplitude![Frequency Response With a –20-dBr Input GUID-20201217-CA0I-FFRN-VLFJ-MTRRJ4VJ0HBC-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-FFRN-VLFJ-MTRRJ4VJ0HBC-low.gif)
4th-order PDM modulator with PDMCLKx = 3.072
MHz |
Figure 6-10 Frequency Response With a –20-dBr Input![THD+N
vs Input Amplitude GUID-20201217-CA0I-J6SQ-XBQX-SVTHNJCFXVXC-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-J6SQ-XBQX-SVTHNJCFXVXC-low.gif)
4th-order PDM modulator with PDMCLKx = 1.536
MHz |
Figure 6-12 THD+N
vs Input Amplitude![Frequency Response With a –20-dBr Input GUID-20201217-CA0I-MXKS-LP2L-HWQJTQKKTXQL-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-MXKS-LP2L-HWQJTQKKTXQL-low.gif)
4th-order PDM modulator with PDMCLKx = 1.536
MHz |
Figure 6-14 Frequency Response With a –20-dBr Input![THD+N
vs Input Amplitude GUID-20201217-CA0I-XV1C-LL5H-GBK43S0JNGJW-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-XV1C-LL5H-GBK43S0JNGJW-low.gif)
4th-order PDM modulator with PDMCLKx = 6.144
MHz |
Figure 6-16 THD+N
vs Input Amplitude![Frequency Response With a –20-dBr Input GUID-20201217-CA0I-XWMX-3HZH-F01RWLPGBV5C-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-XWMX-3HZH-F01RWLPGBV5C-low.gif)
4th-order PDM modulator with PDMCLKx = 6.144
MHz |
Figure 6-18 Frequency Response With a –20-dBr Input![THD+N
vs Input Frequency With a –20-dBr Input GUID-20201217-CA0I-NSV0-QF33-R0CG0PGMGKMN-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-NSV0-QF33-R0CG0PGMGKMN-low.gif)
5th-order PDM modulator with PDMCLKx = 3.072
MHz |
Figure 6-5 THD+N
vs Input Frequency With a –20-dBr Input![FFT
With a –60-dBr Input GUID-20201217-CA0I-TRLW-6TBH-2ZW9HRRV2BZ0-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-TRLW-6TBH-2ZW9HRRV2BZ0-low.gif)
5th-order PDM modulator with PDMCLKx = 3.072
MHz |
Figure 6-7 FFT
With a –60-dBr Input![THD+N
vs Input Frequency With a –20-dBr Input GUID-20201217-CA0I-JWBG-82XX-K1GBDQHXWTQ1-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-JWBG-82XX-K1GBDQHXWTQ1-low.gif)
4th-order PDM modulator with PDMCLKx = 3.072
MHz |
Figure 6-9 THD+N
vs Input Frequency With a –20-dBr Input![FFT
With a –60-dBr Input GUID-20201217-CA0I-NMSW-MQB9-H51BQ6M9JGCJ-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-NMSW-MQB9-H51BQ6M9JGCJ-low.gif)
4th-order PDM modulator with PDMCLKx = 3.072
MHz |
Figure 6-11 FFT
With a –60-dBr Input![THD+N
vs Input Frequency With a –20-dBr Input GUID-20201217-CA0I-GT0P-PGQD-PHLX6LL7DM6Q-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-GT0P-PGQD-PHLX6LL7DM6Q-low.gif)
4th-order PDM modulator with PDMCLKx = 1.536
MHz |
Figure 6-13 THD+N
vs Input Frequency With a –20-dBr Input![FFT
With a –60-dBr Input GUID-20201217-CA0I-59QN-7N12-D6TT44LGRFM4-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-59QN-7N12-D6TT44LGRFM4-low.gif)
4th-order PDM modulator with PDMCLKx = 1.536
MHz |
Figure 6-15 FFT
With a –60-dBr Input![THD+N
vs Input Frequency With a –20-dBr Input GUID-20201217-CA0I-NFBT-0X33-CVGBNM0KDPBK-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-NFBT-0X33-CVGBNM0KDPBK-low.gif)
4th-order PDM modulator with PDMCLKx = 6.144
MHz |
Figure 6-17 THD+N
vs Input Frequency With a –20-dBr Input![FFT
With a –60-dBr Input GUID-20201217-CA0I-LWDD-WXBT-V5VWBFDX4XND-low.gif](/ods/images/JAJSNF4A/GUID-20201217-CA0I-LWDD-WXBT-V5VWBFDX4XND-low.gif)
4th-order PDM modulator with PDMCLKx = 6.144
MHz |
Figure 6-19 FFT
With a –60-dBr Input