adau1373 Analog Devices, Inc., adau1373 Datasheet - Page 248

• Manufacturer Part Number: adau1373
• Description: Low Power Codec With Speaker And Headphone Amplifier Adau1373
• Manufacturer: Analog Devices, Inc.

ADAU1373
Table 221. Bit Descriptions for ALC_CTRL4
Bits
[7:4]
[3:0]
Bit Name
ALCNGTH
ALCNGHLD
Settings
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
Description
ALC Noise Gate Threshold. ALC noise gate threshold level setting.
−81 dBFS
−78 dBFS
−75 dBFS
−72 dBFS
−69 dBFS
−66 dBFS
−63 dBFS
−60 dBFS
−57 dBFS
−54 dBFS
−51 dBFS
−48 dBFS
−45 dBFS
−42 dBFS
−39 dBFS
−36 dBFS
ALC Noise Gate Hold Time. The ALC holds the gain for the set time when
input level is below noise gate threshold.
0 ms
2.67 ms
5.33 ms
10.67 ms
21.33 ms
42.67 ms
85.33 ms
170.67 ms
341.33 ms
682.67 ms
1.365 sec
2.730 sec
5.460 sec
Rev. 0 | Page 248 of 296
Reset
0x0
0x0
Access
RW
RW