CS42L55 データシートの表示（PDF） - Cirrus Logic

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CS42L55

Ultra Low Power, Stereo CODEC w/Class H Headphone Amp

Cirrus Logic 

6.23 Analog Input Advisory Volume (Address 1Eh)

7

AINADV7

6

AINADV6

5

AINADV5

4

AINADV4

3

AINADV3

2

AINADV2

CS42L55

1

AINADV1

0

AINADV0

6.23.1 Analog Input Advisory Volume

Defines the maximum analog input volume level used by the class H controller to determine the appropri-

ate supply for the HP and Line amplifiers.

AINADV[7:0]

0001 1000

···

0000 0001

0000 0000

1111 1111

1111 1110

···

0011 0100

···

0001 1001

Step Size:

Defined Input Volume

Reserved

···

Reserved

0 dB

-0.5 dB

-1.0 dB

···

-102 dB

···

-102 dB

0.5 dB

6.24 Digital Input Advisory Volume (Address 1Fh)

7

DINADV7

6

DINADV6

5

DINADV5

4

DINADV4

3

DINADV3

2

DINADV2

1

DINADV1

0

DINADV0

6.24.1 Digital Input Advisory Volume

Defines the maximum digital input volume level used by the class H controller to determine the appropri-

ate supply for the HP and Line amplifiers.

DINADV[7:0]

0001 1000

···

0000 0001

0000 0000

1111 1111

1111 1110

···

0011 0100

···

0001 1001

Step Size:

Defined Input Volume

Reserved

···

Reserved

0 dB

-0.5 dB

-1.0 dB

···

-102 dB

···

-102 dB

0.5 dB

Note: Between the headphone and line, the final output voltage from the charge pump is dictated by

the highest required advisory volume. When any respective amplifier is powered down, the charge pump’s

voltage automatically adjusts to the appropriate level.

DS773F1

59

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