CS43L22 查看數據表（PDF） - Cirrus Logic

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产品描述 (功能)

生产厂家

CS43L22

Low Power, Stereo DAC w/Headphone & Speaker Amps

Cirrus Logic 

4.4 Analog Outputs

Confidential Draft

3/4/10

CS43L22

HPAMUTE

HPBMUTE

HPA_VOL[7:0]

HPB_VOL[7:0]

+0dB/-102dB

0.5dB steps

PDN_HPA[1:0]

PDN_HPB[1:0]

HPGAIN[2:0]

from DSP

Engine

VOL

DAC

Analog Passthru Input

Signal

VOL

PASSTHRUA

PASSTHRUB

Charge

Pump

PASSAMUTE

PASSBMUTE

PASSAVOL[7:0]

PASSBVOL[70]

+12dB/-60dB

0.5dB steps

Figure 9. Analog Outputs

CHGFREQ[3:0]

A

HP/Line

Outputs

B

Referenced Control Register Location

Analog Output

HPxMUTE ........................... “Headphone Mute” on page 45

HPxVOL[7:0] ....................... “Headphone Volume Control” on page 51

PDN_HPx[1:0] ..................... “Headphone Power Control” on page 38

HPGAIN[2:0]........................ “Headphone Analog Gain” on page 43

PASSTHRUx ....................... “Passthrough Analog” on page 44

PASSxMUTE ....................... “Passthrough Mute” on page 44

PASSxVOL[7:0] ................... “Passthrough x Volume” on page 46

CHGFREQ .......................... “Charge Pump Frequency” on page 58

DS792F2

25

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