lm49350rl National Semiconductor Corporation, lm49350rl Datasheet - Page 66

• 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
Bits
5:0
5:0
Bits
4:0
MAX_LEVEL
MIN_LEVEL
Field
Field
HOLD_TIME This sets how long the ALC circuit waits before
Field
This sets the minimum allowed gain of the volume control to the output
amplifier. If the volume control is less than 6 bits the relevant LSBs are used
as the limit and the MSBs are ignored.
This sets the maximum allowed gain of the volume control to the output
amplifier. If the volume control is less than 6 bits the relevant LSBs are used
as the limit and the MSBs are ignored.
TABLE 52. ADC_ALC_6 (0x86h)
TABLE 53. ADC_ALC_7 (0x87h)
TABLE 54. ADC_ALC_8 (0x88h)
increasing the gain.
HOLD_TIME
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
11101
11110
11111
66
Description
Description
Description
Time (ms)
1000
1250
1.25
6.25
12.5
100
125
160
200
250
320
400
500
640
800
1.6
2.5
3.2
10
16
20
25
32
40
50
64
80
1
2
4
5
8