CS4391-KZZ View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS4391-KZZ

24-Bit, 192 kHz Stereo DAC with Volume Control

Cirrus Logic 

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ATAPI4

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

ATAPI3

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

ATAPI2

0

0

0

0

1

1

1

1

0

0

0

0

1

1

1

1

0

0

0

0

1

1

1

1

0

0

0

0

1

1

1

1

ATAPI1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

ATAPI0

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

AOUTA

MUTE

MUTE

MUTE

MUTE

aR

aR

aR

aR

aL

aL

aL

aL

a[(L+R)/2]

a[(L+R)/2]

a[(L+R)/2]

a[(L+R)/2]

MUTE

MUTE

MUTE

MUTE

aR

aR

aR

aR

aL

aL

aL

aL

[(aL+bR)/2]

[(aL+bR)/2]

[(bL+aR)/2]

[(aL+bR)/2]

Table 6. ATAPI Decode

Binary Code

0000000

0010100

0101000

0111100

1011010

Decimal Value

0

20

40

60

90

Volume Setting

0 dB

-20 dB

-40 dB

-60 dB

-90 dB

Table 7. Digital Volume Control

CS4391

AOUTB

MUTE

bR

bL

b[(L+R)/2]

MUTE

bR

bL

b[(L+R)/2]

MUTE

bR

bL

b[(L+R)/2]

MUTE

bR

bL

b[(L+R)/2]

MUTE

bR

bL

[(bL+aR)/2]

MUTE

bR

bL

[(aL+bR)/2]

MUTE

bR

bL

[(aL+bR)/2]

MUTE

bR

bL

[(aL+bR)/2]

DS335PP4

27

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