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TDA7808 Fiches technique(PDF) 23 Page - STMicroelectronics

No de pièce TDA7808
Description  High efficiency digital input automotive quad power amplifier, start stop compatible
PDF  39 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7808 Fiches technique(HTML) 23 Page - STMicroelectronics

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DS12230 Rev 4
23/39
TDA7808
I2S and TDM bus interface
38
7.4
Timings requirements
Figure 30. Audio interface timing
Table 8. I2S interface timing
Symbol
Parameter
note
min
max
unit
Fsck0
SCK (bit clock) frequency
-
-
49.152
MHz
-
SCK (bit clock) frequency tolerance
-
0.9Fsck0
1.1Fsck0
MHz
Tsck
SCK period
-
20
-
ns
-
SCK duty cycle
-
40
60
%
Tsckh
SCK high time
-
6
-
ns
Tsckl
SCK low time
-
6
-
ns
-
SCK transition time
-
-
4
ns
-
WS (word select) frequency
-
-
192
KHz
Twsh
WS high time
I2S
standard
25 or 32 Tsck
(duty cycle=50%)
ns
Twsh
WS high time
TDM 4-
channel
1 Tsck
127 Tsck
ns
Twsh
WS high time
TDM 8-16-
channel
1 Tsck
255 Tsck
ns
Tws
WS setup time
-
5
-
ns
Twh
WS hold time
-
6
-
ns
Tds
SD13 SD24 (data inputs) setup time before SCK
rising edge
-5-
ns
Tdh
SD13 SD24 (data inputs) hold time after SCK rising
edge
-6-
ns



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