TDA8933B Datasheet, PDF (35/42 Pages) NXP Semiconductors – Class D audio amplifier

NXP Semiconductors
TDA8933B
Class D audio amplifier
14.11 Typical application schematics (simplified)
V_P
GND
Rvdda
10 Ω
Cvdda
100 nF
V_PA
V_P
Cvddp
220 µF
(35 V)
Cin
470 nF
Cin
470 nF
V_SSD(HW)
1
IN1P
2
IN1N
3
DIAG ₄
V_SSD(HW)
32
OSCIO
31
HVP1
30
V_DDP1
29
MUTE control
Cen
470 nF
ENGAGE ₅
POWERUP
6
28 ^BOOT1
OUT1
27
SLEEP control
CGND
7
V_SSP1
26
Cosc
100 nF
V_PA
V_DDA
8
V_SSA
9
U1
25 ^STAB1
TDA8932B STAB2
24
Rosc
39 kΩ
OSCREF
10
HVPREF ₁₁
V_SSP2
23
22 ^OUT2
Chvpref
47 µF (25 V)
Cin
470 nF
Cinref
100 nF
Cin
INREF ₁₂
TEST
13
IN2N
14
IN2P ₁₅
21 ^BOOT2
V_DDP2
20
HVP2
19
18 ^DREF
470 nF
V_SSD(HW)
16
V_SSD(HW)
17
Cbo
15 nF
V_P
Cvddp
100 nF
Llc
Rsn
10 Ω
Csn
470 pF
Cstab
100 nF _Optional
Llc
Cbo
15 nF _Optional
V_P
Cvddp
100 nF
Rsn
10 Ω
Csn
470 pF
Cdref
100 nF
Fig 32. Typical simplified application diagram for 2 × SE (asymmetrical supply)
Clc
Cse
Clc
Cse
010aaa527
TDA8933B_1
Preliminary data sheet
Rev. 01 — 23 October 2008
© NXP B.V. 2008. All rights reserved.
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