CS44L11 데이터 시트보기 (PDF) - Cirrus Logic

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CS44L11

Low Voltage Class-D PWM Headphone Amplifier

Cirrus Logic 

CS44L11

4.4 Tone Control (address 05h)

7

6

5

4

3

2

1

0

BB3

BB2

BB1

BB0

TB3

TB2

TB1

TB0

0

0

0

0

0

0

0

0

4.4.1

Bass Boost Level (BB)

Default = 0 dB (No Bass Boost)

Function:

The level of the shelving Bass Boost filter is set by Bass Boost Level. The level can be adjusted in 1 dB

increments from 0 to +12 dB of boost. Boost levels are decoded as shown in Table 3. Levels above

+12 dB are interpreted as +12 dB.

Binary Code

0000 0000

0000 0010

0000 0110

0000 1001

0000 1100

Decimal Value

0

2

6

9

12

Boost Setting

0 dB

+2 dB

+6 dB

+9 dB

+12 dB

Table 3. Example Bass Boost Settings

4.4.2

Treble Boost Level (TB)

Default = 0 dB (No Treble Boost)

Function:

The level of the shelving Treble Boost filter is set by Treble Boost Level. The level can be adjusted in 1 dB

increments from 0 to +12 dB of boost. Boost levels are decoded as shown in Table 4. Levels above

+12 dB are interpreted as +12 dB.

Note: Treble Boost is not available in Double-Speed Mode.

Binary Code

0000 0000

0000 0010

0000 0110

0000 1001

0000 1100

Decimal Value

0

2

6

9

12

Boost Setting

0 dB

+2 dB

+6 dB

+9 dB

+12 dB

Table 4. Example Treble Boost Settings

4.5 Mode Control 1 (address 06h)

7

6

5

4

3

BBCF1

BBCF0

TBCF1

TBCF0

TC1

0

0

0

0

0

2

1

TC0

TC_EN

0

0

0

LIM_EN

0

DS640PP4

15

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