lm49350rl National Semiconductor Corporation, lm49350rl Datasheet - Page 74
lm49350rl
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
Datasheet
1.LM49350RL.pdf
(104 pages)
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LM49350RL
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Bits
3:0
4
THRESHOLD
TABLE 62. SOFTCLIP1 (0x90h)
SOFT_KNEE
Field
74
This sets the threshold level of the
audio compressor. Audio signals
above the threshold will be
compressed.
If set, the audio compressor will
automatically apply higher
compression ratios to audio signals
higher than the threshold level. As the
audio signal approaches levels higher
than the threshold, SOFT_KNEE will
increase the compression RATIO. The
highest compression that the
SOFT_KNEE algorithm will apply is the
compression that is set by RATIO.
THRESHOLD
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Description
Threshold Level
-2.5dB
-36dB
-30dB
-24dB
-20dB
-18dB
-17dB
-16dB
-15dB
-14dB
-12dB
-10dB
-8dB
-6dB
-4dB
-1dB
(dB)
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