TDA8933 Datasheet, PDF (40/47 Pages) NXP Semiconductors – Class-D audio amplifier

NXP Semiconductors
TDA8933
Class-D audio amplifier
14.11 Typical application schematics (simplified)
+
−
MUTE
CONTROL
SLEEP
CONTROL
V_SSA
Cin
470 nF
Cin
470 nF
Cen
470 nF
Cosc
100 nF
Rosc
39 Ω
Cin
470 nF
+
−
Cin
470 nF
V_SSD(HW)
V_SSA
1
IN1P
2
IN1N
3
DIAG ₄
ENGAGE
5
POWERUP ₆
CGND ₇
V_DDA
V_SSA
V_{DDA 8}
V_SSA
9
OSCREF
10
HVPREF ₁₁
Cinref
100 nF
INREF
12
TEST
13
IN2N
14
IN2P ₁₅
V_SSD(HW)
V_SSA
16
V_SSD(HW)
32
OSCIO
31
HVP1
30
29 ^VDDP1
BOOT1
28
27 ^OUT1
V_SSP1
26
U1
TDA8933
STAB1
25
24 ^STAB2
23 ^VSSP2
OUT2
22
BOOT2
21
V_DDP2
20
HVP2
19
DREF
18
V_SSD(HW)
17
V_SSA
Cvddp
100 nF
V_DD
Rbo
Cbo 1 M
15 nF
Cvssp
100 nF
V_SS
Cstab
100 nF
V_SS
Cbo
15 nF Rbo
1M
V_DD
Cvddp
100 nF
V_SS
Cvssp
100 nF
Cdref
100 nF
V_SSA
Csn
470 pF
Rsn
10 Ω
LIc
+
−
CIc
LIc
Rsn
10 Ω
−
CIc ⁺
Csn
470 pF
V_DD
GND
V_SS
Rvdda
10 Ω
Rvssa
10 Ω
V_DDA
Cvdda
100 nF
Cvssa
100 nF
V_SSA
V_DD
Cvddp
220 µF/25 V
Cvssp
220 µF/25 V
V_SS
Fig 37. Typical simplified application diagram for 2 × SE (symmetrical supply)
010aaa142
TDA8933_1
Preliminary data sheet
Rev. 01 — 15 May 2007
© NXP B.V. 2007. All rights reserved.
40 of 47