TDA8932B_3 © NXP B.V. 21 June 2007. All rights reserved.
Product data sheet Rev. 03— 21 June 2007 39 of 48
NXP Semiconductors
TDA8932B
Class-D audio amplifier
Fig 38. Typical simplified application diagram for 2 × SE (symmetrical supply)
U1
TDA8932B
V
SSD(HW)
470 nF
Cin
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
Cvddp
220 µF
(25 V)
470 nF
Cin
470 nF
Cin
470 nF
Cin
100 nF
Cosc
39 kΩ
Rosc
10 Ω
Rvdda
MUTE control
VDDA
VSSA
VSS
VSSA
VSSA
VSSA
VSSA
SLEEP control
Cvdda
100 nF
VDD VDDA
10 Ω
Rvssa
VSS VSSA
VDD
VSS
Cvssa
100 nF
Cvssp
220 µF
(25 V)
GND
OSCIO
IN1N HVP1
DIAG
V
DDP1
ENGAGE BOOT1
VDD
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)
001aaf603
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
VSSA
Cvddp
100 nF
Cvssp
100 nF
VSS
VDD
Cvssp
100 nF
Cbo
15 nF
Cbo
15 nF