CS43L43-KZZ Cirrus Logic Inc, CS43L43-KZZ Datasheet - Page 17
CS43L43-KZZ
Manufacturer Part Number
CS43L43-KZZ
Description
IC,D/A CONVERTER,DUAL,16/18/20/24-BIT,TSSOP,16PIN
Manufacturer
Cirrus Logic Inc
Specifications of CS43L43-KZZ
Rohs Compliant
YES
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Part Number:
CS43L43-KZZ
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5.2 CHANNEL A ANALOG ATTENUATION CONTROL (ADDRESS 02H) (VOLA)
5.3 CHANNEL B ANALOG ATTENUATION CONTROL (ADDRESS 03H) (VOLB)
DS479PP3
VOLx7
Binary Code
Function:
7
0
00000000
11110001
11110110
Default = 0 dB (No attenuation)
The Analog Attenuation Control operates independently from the Digital Volume Control. The Analog At-
tenuation Control registers allow the user to attenuate the headphone output signal in 1 dB increments
from 0 to -25 dB, using the analog volume control. Attenuation settings are decoded as shown in Table 7,
using a 2’s complement code. The volume changes are implemented as dictated by the Soft and Zero
Cross bits in the Power and Muting Control register. All volume settings greater than zero are interpreted
as zero.
NOTE: When the Analog Headphone Attenuation Control registers are set for attenuation levels greater
than -10dB, the actual attenuation deviates from the register setting by more than 1dB.
Table 7. Example Analog Volume Settings
VOLx6
6
0
Decimal Value
VOLx5
-10
-15
0
5
0
VOLx4
4
0
Volume Setting
-10 dB
-15 dB
0 dB
VOLx3
3
0
VOLx2
2
0
VOLx1
1
0
CS43L43
VOLx0
0
0
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