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TFA9812_2 © NXP B.V. 2009. All rights reserved.
Preliminary data sheet Rev. 02 — 22 January 2009 12 of 66
NXP Semiconductors
TFA9812
BTL stereo Class-D audio amplifier with I
2
S input
[1] The valid sample frequencies are shown in Section 9.5.7.
Legacy 32 8.192
12.288
18.432 (576 f
s
)
44.1 11.2896
16.9344
25.4016 (576 f
s
)
48 12.288
18.432
27.648 (576 f
s
)
Table 9. Valid BCK frequencies in I
2
S slave mode
Control mode f
s
(kHz) BCK (x f
s
input)
I
2
C 8 to 192
[1]
32 f
s
8 to 192
[1]
48 f
s
8 to 192
[1]
64 f
s
Legacy 32, 44.1, 48 32 f
s
32, 44.1, 48 48 f
s
32, 44.1, 48 64 f
s
Table 8. Valid MCLK frequencies in I
2
S slave mode
Control mode f
s
(kHz) MLCK frequency (MHz)