lm49350rl National Semiconductor Corporation, lm49350rl Datasheet - Page 82

• 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
7:5
PK_DECAY_RATE
Field
This sets how precise the ALC will track
amplitude reductions of the audio input.
The shorter the length of time for
PK_DECAY_RATE, the more responsive
the ALC will be when applying gain
increases whenever the audio falls below
target level.
PK_DECAY_RATE
82
000
001
010
011
100
101
110
111
Description
2.73secs
10.6ms
21.3ms
42.6ms
85.5ms
1.3ms
2.6ms
5.3ms
Time