NXP Semiconductors TFA9812 - Manual (Page 53)

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TF
A9812_2
© NXP B
.V
. 2009. All r
ights reser
v
ed.
Preliminar
y data sheet
Re
v
. 02 — 22 Jan
uar
y 2009
53 of 66
NXP Semiconductor
s
TF
A9812
BTL stereo Class-D audio amplifier with I
2
S input
14.4.2 I 2 S slave mode and I 2 C control mode
Fig 14. Simplified application diagram for I 2 S slave mode and I 2 C control mode
TFA9812
ADSEL1/PLIM1
OUT1N
OUT1N
BOOT2P
OUT2P
OUT2P
V DDP
V DDP
OUT1P
OUT1P
BOOT1P
OUT2N
OUT2N
ADSEL2/PLIM2
XT
ALIN
XT
ALOUT
V
DD
A(3V3)
ST
ABA
REF
A
V
DD
A
TEST1 V
SS1
ST
AB2
V
SSP2
V
SSP2
BOO
T2N
CSEL GAIN
ENABLE
AV
O
L
PO
WER
UP
CDELA
Y
DIA
G
ST
AB1
V
SSP1
V
SSP1
BOO
T1N
SCL/SFOR
SDA/MS
V DDD(3V3)
STABD
REFD
TEST2
DATA
WS
BCK
MCLK
V SS2
EXPOSED DIE PADDLE
36
37
38
39
40
41
42
43
44
45
46
47
48
35 34 33 32 31 30 29 28 27 26 25
ENABLE
POWERUP
DIAGNOSTIC
CDELAY
1 nF
CSTAB
100 nF
I 2 C SCL
I 2 C SDA
I 2 S DATA
I 2 S WS
I 2 S BCK
I 2 S MLCK
VDDD
CVDDD
100 nF
CSTABD
1
µ F
CVDDA
100 nF
3.3 V VPA
CSTAB
100 nF CVPA
100 nF CSTAB
100 nF
1 2 3 4 5 6 7 8 9 10 11 12
010aaa477
CBOOT
15 nF
CSN
470 pF
CSN
470 pF CLC
680 nF
CLC
680 nF
CBOOT
15 nF
RSN 10 Ω
RSN 10 Ω
CLC
680 nF
CLC
680 nF
Lic
S2 F2
S1 F1
15 µ H
24
23
22
21
20
19
18
17
16
15
14
13
CVDDP
CVDDP
VP
OUT1
+
−
6 Ω to 8 Ω
OUT2
+
−
6 Ω to 8 Ω
CBOOT
15 nF
CBOOT
15 nF
F2 S2
F1 S1
15 µ H
Lic
RSN 10 Ω
RSN 10 Ω
CSN
470 pF
CSN
470 pF
3.3 V
POWER IN
V P = 8 V to 20 V
GND
CVDDP
220
µ F / 25 V
RVDDA
10 Ω
VPA
VP
100 nF
100 nF
RSTABA
1 k
Ω