FAB2210 Datasheet, PDF (28/35 Pages) Fairchild Semiconductor – Audio Subsystem with Class-G Headphone and 3.3W Mono Class-D Speaker with Dynamic Range Compression

ADDR
B7
B6
B5
B4
B3
B2
B1
B0
0x87
0
HP_ATT[6:0]
default
0
0
0
0
0
0
0
0
HP_ATT[6:0]
Sets the headphone volume.
HP_ATT Headphone
[6:0] Volume (dB)
1111111
0.00
1111110
-0.25
1111101
-0.50
1111100
-0.75
1111011
-1.00
1111010
-1.25
1111001
-1.50
1111000
-1.75
1110111
-2.00
1110110
-2.25
1110101
-2.50
1110100
-2.75
1110011
-3.00
1110010
-3.25
1110001
-3.50
1110000
-3.75
1101111
-4.00
1101110
-4.25
1101101
-4.50
1101100
-4.75
1101011
-5.00
1101010
-5.25
1101001
-5.50
1101000
-5.75
1100111
-6.00
1100110
-6.50
1100101
-7.00
1100100
-7.50
1100011
-8.00
1100010
-8.50
1100001
-9.00
1100000
-9.50
HP_ATT Headphone
[6:0] Volume (dB)
1011111
-10.00
1011110
-10.50
1011101
-11.00
1011100
-11.50
1011011
-12.00
1011010
-12.50
1011001
-13.00
1011000
-13.50
1010111
-14.00
1010110
-14.50
1010101
-15.00
1010100
-15.50
1010011
-16.00
1010010
-17.00
1010001
-18.00
1010000
-19.00
1001111
-20.00
1001110
-21.00
1001101
-22.00
1001100
-23.00
1001011
-24.00
1001010
-25.00
1001001
-26.00
1001000
-27.00
1000111
-28.00
1000110
-29.00
1000101
-30.00
1000100
-31.00
1000011
-32.00
1000010
-33.00
1000001
-34.00
1000000
-35.00
HP_ATT Headphone
[6:0] Volume (dB)
0111111
-36.00
0111110
-37.00
0111101
-38.00
0111100
-39.00
0111011
-40.00
0111010
-41.00
0111001
-42.00
0111000
-43.00
0110111
-44.00
0110110
-45.00
0110101
-46.00
0110100
-47.00
0110011
-48.00
0110010
-49.00
0110001
-50.00
0110000
-51.00
0101111
-52.00
0101110
-53.00
0101101
-54.00
0101100
-55.00
0101011
-56.00
0101010
-57.00
0101001
-58.00
0101000
-59.00
0100111
-60.00
0100110
-61.00
0100101
-62.00
0100100
-63.00
0100011
-64.00
0100010 Reserved
0100001 Reserved
0100000 Reserved
HP_ATT Headphone
[6:0] Volume (dB)
0011111 Reserved
0011110 Reserved
0011101 Reserved
0011100 Reserved
0011011 Reserved
0011010 Reserved
0011001 Reserved
0011000 Reserved
0010111 Reserved
0010110 Reserved
0010101 Reserved
0010100 Reserved
0010011 Reserved
0010010 Reserved
0010001 Reserved
0010000 Reserved
0001111 Reserved
0001110 Reserved
0001101 Reserved
0001100 Reserved
0001011 Reserved
0001010 Reserved
0001001 Reserved
0001000 Reserved
0000111 Reserved
0000110 Reserved
0000101 Reserved
0000100 Reserved
0000011 Reserved
0000010 Reserved
0000001 Reserved
0000000
Mute
© 2011 Fairchild Semiconductor Corporation
FAB2210 • Rev. 1.1.1
28
www.fairchildsemi.com