ZHCSKX3 March 2020 PCM6240-Q1 , PCM6260-Q1 , PCM6340-Q1 , PCM6360-Q1
ADVANCE INFORMATION for pre-production products; subject to change without notice.
Figure 72 shows the magnitude response and Figure 73 shows the pass-band ripple and phase deviation for a decimation filter with a sampling rate of 192 kHz or 176.4 kHz. Table 34 lists the specifications for a decimation filter with a 192-kHz or 176.4-kHz sampling rate.
Figure 72. Low-Latency Decimation Filter Magnitude Response
Figure 73. Low-Latency Decimation Filter Pass-Band Ripple and Phase Deviation | PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|
| Pass-band ripple | Frequency range is 0 to 463 × fS | –0.03 | 0.03 | dB | |
| Stop-band attenuation | Frequency range is 0.6 × fS onwards | 85.6 | dB | ||
| Group delay or latency | Frequency range is 0 to 0.365 × fS | 7.7 | 1/fS | ||
| Group delay deviation | Frequency range is 0 to 0.365 × fS | –0.027 | 0.027 | 1/fS | |
| Phase deviation | Frequency range is 0 to 0.365 × fS | –0.26 | 0.30 | Degrees |