ZHCSKX3 March 2020 PCM6240-Q1 , PCM6260-Q1 , PCM6340-Q1 , PCM6360-Q1
ADVANCE INFORMATION for pre-production products; subject to change without notice.
Figure 46 and Figure 47 respectively show the magnitude response and the pass-band ripple for a decimation filter with a sampling rate of 16 kHz or 14.7 kHz. Table 21 lists the specifications for a decimation filter with an 16-kHz or 14.7-kHz sampling rate.
Figure 46. Linear Phase Decimation Filter Magnitude Response
Figure 47. Linear Phase Decimation Filter Pass-Band Ripple | PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|
| Pass-band ripple | Frequency range is 0 to 0.454 × fS | –0.05 | 0.05 | dB | |
| Stop-band attenuation | Frequency range is 0.58 × fS to 4 × fS | 73.3 | dB | ||
| Frequency range is 4 × fS onwards | 95.0 | ||||
| Group delay or latency | Frequency range is 0 to 0.454 × fS | 15.7 | 1/fS |