CS42L51_07 Datasheet, PDF (74/88 Pages) Cirrus Logic – Low Power, Stereo CODEC with Headphone Amp

CS42L51
6.28 Charge Pump Frequency (Address 21h)
7
6
5
4
CHRG_FREQ CHRG_FREQ CHRG_FREQ CHRG_FREQ
3
2
1
0
3
Reserved
Charge Pump Frequency (CHRG_FREQ[3:0])
2
Reserved
1
Reserved
0
Reserved
Default: 0101
N CHRG_FREQ[3:0] Frequency
0
...
0000
...
6----4----x---F----s-
N+2
15
1111
Function:
Alters the clocking frequency of the charge pump in 1/(N+2) fractions of the DAC oversampling rate, 128Fs,
should the switching frequency interfere with other system frequencies such as those in the AM radio band.
Note: Distortion performance may be affected.
74
DS679F1