xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx
xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx
TFA9810_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 20 February 2008 24 of 29
NXP Semiconductors TFA9810
Audio amplifier 2 x 12 W
Fig 34. Typical application diagram TFA9810 with externally adjusted switch-on time
VDDA1 n.c
IN1P
IN1N
CDELAY
SO/OL
IN2P
IN2N
OUT1P
BOOT1P
BOOT1N
OUT1N
STAB1
STAB2
OUT2P
BOOT2P
BOOT2N
OUT2N
VSSA1 VSSA2 VSSDVSSD VSSDVSSDVSSP1VSSP2
VDDA2 VDDP1 VDDP2
010aaa431
C12
680 nF
C27
470 pF
C13
680 nF
C28
470 pF
GND GND
2
1
J3
OUT1
C9
220 nF
C14
220 nF
R27
10 Ω
R28
10 Ω
C20
680 nF
C29
470 pF
C23
680 nF
C30
470 pF
GND GND
2
1
J6
OUT2
C19
220 nF
C25
220 nF
R29
10 Ω
R30
10 Ω
L3
22 µH
L4
22 µH
L5
22 µH
L6
22 µH
C16
1µF
C17
1µFGND
GND
26
27
29
28
31
18
23
22
21
20
OUT1+
OUT1−
OUT2+
OUT2−
C31
100 nF
C1
220 µF
C3
100 nF
C4
100 nF
C2
220 µF
C5
100 nF
GND
GND
GND
R3
10 ΩL2
BEAD
L1
BEAD
12 V
C8
220 pF
R6
10 kΩ
C6
1 µFR7
10 kΩ
R10
10 kΩ
GND R11
10 kΩ
C11
47 pF
GND
1
2
J4
C21
220 pF
R19
10 kΩ
R17
100 kΩ
C18
1 µF
C26
1 µF
R18
10 kΩ
R22
10 kΩ
GND
R23
10 kΩ
C22
68 pF
OUT2−
STAB1
GND
1
2
J7
C15
4.7 µF
GND
C24
220 pF
C10
220 pF
ENABLE
DIAG
VDDA2
4 13 9 25 24
5 12 1 16 17 32 30 19
GND
VP J1
GND
1
2
C32
220 µFC33
100 nF
12 V 12 V
SW1
ENABLE
2
3
8
6
7
10
11
15
14
IN1
J2
TFA9810
R32
10 kΩ
R31
10 kΩ
C7
1 µF
R26
100 kΩ
OUT2+
R5
100 kΩ
OUT1−
R14
100 kΩ
OUT1+
R33
10 kΩ
R34
10 kΩ
IN2
J5
R35
200 kΩ
GND
Snubber network
(Optional)
R100
22 Ω