參數(shù)資料
型號(hào): TDA8929T/N1,118
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 音頻/視頻放大
英文描述: 2 CHANNEL, AUDIO AMPLIFIER, PDSO24
封裝: PLASTIC, SO-24
文件頁(yè)數(shù): 15/36頁(yè)
文件大?。?/td> 479K
代理商: TDA8929T/N1,118
2001
Dec
11
22
Philips
Semiconductors
Preliminar
y
specication
Controller
class-D
audio
amplier
TD
A8929T
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handbook,
full
pagewidth
MGW232
39 k
R1
30 k
R7
10 k
100 nF
C12
R2
1 k
R8
5.6
R11
Sumida 33
H
CDRH127-330
L4
Sumida 33
H
CDRH127-330
L2
L1
bead
L3
bead
GND
100 nF
C1
220 nF
C11
3
6
17
PWM2
5
4
8
9
10
12
15
n.c.
1
1 nF
C10
input 2
input 1
J5
J6
D1
(5.6 V)
IN1
+
IN1
GND
2
11
SGND1
SGND2
S1
VSSA
VSSD
VSS1
VSS2
VDDA
VDD2
VDD1
GND
1
2
1
2
1
2
QGND
OUT1
OUT1
+
OUT1
+
OUT2
OUT2
OUT2
+
BOOT2
BOOT1
OUT1
OUT2
VDDD
VDD1
VDD2
VSS2
VSS1
VDDD
VSSD
VSSA
VSSD
27 k
R3
7
220 nF
C2
OSC
POWERUP
VSSA
100 nF
C14
MODE
VDDA
R18
200 k
D2
(7.5 V)
VDDD
on
mute
off
U2
TDA8929T
CONTROLLER
C3
330 pF
C8
1
F
C13
100 nF
C27
100 nF
C36
470 nF
C40
1 nF
C41
1 nF
C42
1 nF
C43
1 nF
C37
470 nF
C28
100
nF
C33
15 nF
C26
15 nF
C15
180 pF
IN2
+
IN2
R6
10 k
C7
1
F
R5
10 k
1 nF
C9
C6
1
F
R4
10 k
J3
J1
QGND
inputs
outputs
power supply
mode select
J4
J2
VSS
C5
1
F
C4
330 pF
R12
5.6
C24
560 pF
VSSD
VDDD VSSD
R13
5.6
R14
5.6
R15
5.6
C25
560 pF
C34
560 pF
C35
560 pF
R10
9.1 k
VSSD
VSSA
VDDA
VDDD
C17
1 nF
C16
1 nF
R9
10 k
C20
100 nF
C21
100 nF
C23
47
F
(35 V)
C18
100 nF
C19
100 nF
C22
47
F
(35 V)
GND
QGND
bead
L6
L5
bead
L7
bead
GND
C30
100 nF
C32
1500
F
(35 V)
C29
100 nF
C31
1500
F
(35 V)
VDD
VSS
+25 V
25 V
1
2
3
13
SW2
14
REL2
16
EN2
SW2
REL2
EN2
21
PWM1
23
SW1
24
14
6
23
U1
TDA8926TH
or
TDA8927TH
POWER STAGE
16
15
13
24
22
21
5
8
11
2
3
4
9
10
REL1
20
EN1
SW1
REL1
EN1
19
STAB
19
VSS(sub)
VSSD
17
LIM
VSSD
7
STAB
18
22
DIAGCUR
DIAG
R17
5.6
R16
5.6
4 or 8
SE
4 or 8
SE
8
BTL
C39
220 nF
C38
220 nF
1, 12, 18, 20
n.c.
Fig.14 Two-chip class-D audio amplifier application diagram for TDA8926TH or TDA8927TH and TDA8929T.
R9 and R10 are only necessary in BTL applications with asymmetrical supply.
BTL: remove R6, R7, C4, C7 and C8 and close J5 and J6.
Demodulation coils L2 and L4 should be matched in BTL.
Inputs floating or inputs referenced to QGND (close J1 and J4) or referenced to VSS (close J2 and J3).
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