Tfa9812, Nxp semiconductors, Btl stereo class-d audio amplifier with i – NXP Semiconductors TFA9812 User Manual
Page 15: 48 f, Lsb-justified 16-bit data yes no 48 f, Lsb-justified 18-bit data yes no 48 f, Lsb-justified 20-bit data yes no 48 f, Lsb-justified 24-bit data yes yes 64 f, S up to 24-bit data yes yes 64 f, Msb-justified up to 24-bit data yes yes 64 f
TFA9812_2
© NXP B.V. 2009. All rights reserved.
Preliminary data sheet
Rev. 02 — 22 January 2009
15 of 66
NXP Semiconductors
TFA9812
BTL stereo Class-D audio amplifier with I
2
S input
Remark: Only MSB-first formats are supported.
48 f
s
LSB-justified 16-bit data
yes
no
48 f
s
LSB-justified 18-bit data
yes
no
48 f
s
LSB-justified 20-bit data
yes
no
48 f
s
LSB-justified 24-bit data
yes
yes
64 f
s
I
2
S up to 24-bit data
yes
yes
64 f
s
MSB-justified up to 24-bit data
yes
yes
64 f
s
LSB-justified 16-bit data
yes
no
64 f
s
LSB-justified 18-bit data
yes
no
64 f
s
LSB-justified 20-bit data
yes
no
64 f
s
LSB-justified 24-bit data
yes
no
Table 12.
Supported digital audio data formats
BCK frequency Interface format (MSB first)
Supported in I
2
C
control mode
Supported in Legacy
control mode
Fig 4.
Serial interface input and output formats
16
MSB
B2
B3
B4
B5
B6
LEFT
LSB-JUSTIFIED FORMAT 20 BITS
WS
BCK
DATA
RIGHT
15
18
17
20
19
2
1
B19 LSB
16
MSB
B2
B3
B4
B5
B6
15
18
17
20
19
2
1
B19 LSB
MSB
MSB
B2
2
1
1
2
3
LEFT
I
2
S-BUS FORMAT
WS
BCK
DATA
RIGHT
3
MSB
B2
010aaa458
16
B5
B6
B7
B8
B9
B10
LEFT
LSB-JUSTIFIED FORMAT 24 BITS
WS
BCK
DATA
RIGHT
15
18
17
20
19
22
21
23
24
2
1
B3
B4
MSB
B2
B23 LSB
16
B5
B6
B7
B8
B9
B10
15
18
17
20
19
22
21
23
24
2
1
B3
B4
MSB
B2
B23 LSB
16
MSB
B2
LEFT
LSB-JUSTIFIED FORMAT 16 BITS
WS
BCK
DATA
RIGHT
15
2
1
B15 LSB
16
MSB
B2
15
2
1
B15 LSB
16
MSB
B2
B3
B4
LEFT
LSB-JUSTIFIED FORMAT 18 BITS
WS
BCK
DATA
RIGHT
15
18
17
2
1
MSB
B2
B3
B4
B17 LSB
16
15
18
17
2
1
B17 LSB
MSB-JUSTIFIED FORMAT
WS
LEFT
RIGHT
3
2
1
3
2
1
MSB
B2
MSB
LSB
LSB
MSB
B2
B2
BCK
DATA