lm49350rl National Semiconductor Corporation, lm49350rl Datasheet - Page 78

• Manufacturer Part Number: lm49350rl
• Description: High Performance Audio Codec Sub-system With A Ground-referenced Stereo Headphone Amplifier & An Ultra Low Emi Class D Loudspeaker Amplifier With Dual I2s/pcm Digital Audio Interfaces
• Manufacturer: National Semiconductor Corporation

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Bits
3:0
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NOISE_FLOOR
TABLE 66. DAC_ALC_2 (0xA1h)
NG_ENB
Field
78
This sets the anticipated noise floor.
Signals lower than the specified noise
floor will be gated from the ALC to
avoid noise pumping.
This enables the Noise Gate
NOISE_FLOOR
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Description
Noise Floor (dB)
-39
-42
-45
-48
-51
-54
-57
-60
-63
-66
-69
-72
-75
-78
-81
-84