adau1361 Analog Devices, Inc., adau1361 Datasheet - Page 68

• Manufacturer Part Number: adau1361
• Description: Stereo, Low Power, 96 Khz, 24-bit Audio Codec With Integrated Pll
• Manufacturer: Analog Devices, Inc.

ADAU1361
R34: Playback Pop/Click Suppression 16424 (0x4028)
Bit 7
Table 61. Playback Pop/Click Suppression Register
Bit
4
3
[2:1]
R
Bit 7
Table 62. Playback Power Management Register
Bit
[7:6]
[5:4]
[3:2]
1
0
35: Playback Power Management 16425 (0x4029)
HPBIAS
Bit Name
POPMODE
Popless
ASLEW[1:0]
Bit Name
HPBIAS[1:
DACBIAS[1:0]
PBIAS[1:0]
PREN
PLEN
Bit 6
Bit 6
[1:0]
Reserved
0]
Description
Pop suppression circuit power-save mode. The pop suppression circuits charge faster in normal operation;
however, after they are charged, they can be put into low power operation.
0 = normal (default).
1 = low p
Pop sup
power; how
0 = enab
1 =
Analog v
Setting
00
01
10
11
Description
Headphone
Setting
00
01
10
11
DAC bia
Setting
00
01
10
11
Playback path channel bias control.
Setting
00
01
10
11
Playback right channel enable.
0 = disabled (default).
1 = enabled.
Playback left channel enable.
0 = disabled (default).
1 = enabled.
disabled.
Bit 5
Bit 5
pression disable. The pop sup
led (default).
olume slew rate for playback volume controls.
s control.
ower.
ever, disabling the ci
bias control.
DACBIA
S[1:0]
Bit 4
POPMODE
Bit 4
Slew Rate
21.25 ms (default)
42.5 ms
85 ms
Off
rcuits
Rev. 0 | Page 68 of 80
Headphone Bias Control
Normal operation (default)
Extreme power saving
Enhanced performance
P
DAC Bias Control
Nor
Extreme power saving
Enhanced performance
Power saving
Playback Path Bias Control
Normal operation (default)
Reserved
Enhanced performance
Power saving
ower saving
pression cir
mal operation (default)
increases the risk of pops and clicks.
Bit 3
Popless
Bit 3
cuits are enabled by default. They can be disabled to save
PBIAS[1:0]
Bit 2
Bit 2
ASLEW
Bit 1
[1:0]
Bit 1
PREN
Bit 0
Reserved
Bit 0
PLEN