ZHCSKX3 March 2020 PCM6240-Q1 , PCM6260-Q1 , PCM6340-Q1 , PCM6360-Q1
ADVANCE INFORMATION for pre-production products; subject to change without notice.
Figure 62 shows the magnitude response and Figure 63 shows the pass-band ripple and phase deviation for a decimation filter with a sampling rate of 16 kHz or 14.7 kHz. Table 29 lists the specifications for a decimation filter with a 16-kHz or 14.7-kHz sampling rate.
Figure 62. Low-Latency Decimation Filter Magnitude Response
Figure 63. 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 0.451 × fS | –0.05 | 0.05 | dB | |
| Stop-band attenuation | Frequency range is 0.61 × fS onwards | 87.3 | dB | ||
| Group delay or latency | Frequency range is 0 to 0.363 × fS | 7.6 | 1/fS | ||
| Group delay deviation | Frequency range is 0 to 0.363 × fS | –0.022 | 0.022 | 1/fS | |
| Phase deviation | Frequency range is 0 to 0.363 × fS | –0.21 | 0.25 | Degrees |