Tda8932b, Nxp semiconductors, Class-d audio amplifier – NXP Semiconductors TDA8932B User Manual
Page 40
TDA8932B_4
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 18 December 2008
40 of 48
NXP Semiconductors
TDA8932B
Class-D audio amplifier
Fig 39. Typical simplified application diagram for 1
×
BTL (symmetrical supply)
U1
TDA8932B
V
SSD(HW)
Cen
470 nF
Cvddp
100 nF
Csn
470 pF
Csn
470 pF
Rsn
10
Ω
Rsn
10
Ω
Llc
Llc
V
SSD(HW)
IN1P
Cdref
100 nF
Cinref
100 nF
100 nF
Cosc
39 k
Ω
Rosc
MUTE
control
VDDA
VSSA
VSSA
VSSA
VSSA
SLEEP
control
OSCIO
IN1N
HVP1
DIAG
V
DDP1
ENGAGE
BOOT1
VDD
VSSA
VSSA
POWERUP
OUT1
CGND
V
SSP1
V
DDA
STAB1
V
SSA
STAB2
OSCREF
V
SSP2
HVPREF
OUT2
INREF
Cstab
100 nF
Clc
Clc
BOOT2
TEST
V
DDP2
IN2N
HVP2
IN2P
DREF
V
SSD(HW)
V
SSD(HW)
001aaf606
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
18
17
20
19
22
21
24
23
26
25
32
31
30
29
28
27
Cvddp
220
µ
F
(25 V)
10
Ω
Rvdda
Cvdda
100 nF
VDD
VDDA
10
Ω
Rvssa
VSS
VSSA
VDD
VSS
Cvssa
100 nF
Cvssp
220
µ
F
(25 V)
GND
1
µ
F
Cin
1
µ
F
Cin
Cvddp
100 nF
VDD
Cbo
15 nF
Cbo
15 nF
VSS
Cvssp
100 nF
VSS
Cvssp
100 nF