CS43L22 datasheet(25/66 Pages) CIRRUS

25 / 66 page

DS792F2

CS43L22

Confidential Draft

3/4/10

4.4

Analog Outputs

Referenced Control

Analog Output

HPxMUTE ...........................

HPxVOL[7:0] .......................

PDN_HPx[1:0] .....................

HPGAIN[2:0]........................

PASSTHRUx .......................

PASSxMUTE .......................

PASSxVOL[7:0] ...................

CHGFREQ ..........................

“Headphone Mute” on page 45

“Headphone Volume Control” on page 51

“Headphone Power Control” on page 38

“Headphone Analog Gain” on page 43

“Passthrough Analog” on page 44

“Passthrough Mute” on page 44

“Passthrough x Volume” on page 46

“Charge Pump Frequency” on page 58

DAC

CHGFREQ[3:0]

HPGAIN[2:0]

VOL

Analog Passthru Input

Signal

HPAMUTE

HPBMUTE

HPA_VOL[7:0]

HPB_VOL[7:0]

+0dB/-102dB

0.5dB steps

PASSAMUTE

PASSBMUTE

PASSAVOL[7:0]

PASSBVOL[70]

+12dB/-60dB

0.5dB steps

PASSTHRUA

PASSTHRUB

PDN_HPA[1:0]

PDN_HPB[1:0]

from DSP

Engine

HP/Line

Outputs

Charge

Pump

Figure 9. Analog Outputs

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