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参数资料
| 型号： | TDA8926TH |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 50 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| 封装： | PLASTIC, SOT-566-3, HSOP-24 |
| 文件页数： | 8/28页 |
| 文件大小： | 233K |
| 代理商： | TDA8926TH |
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2002
Oct
22
16
Philips
Semiconductors
Preliminar
y
specication
P
o
w
er
stage
2
×
50
W
class-D
audio
amplier
TD
A8926TH
handbook,
full
pagewidth
MGU717
39 k
R1
39 k
R7
10 k
220 nF
C12
R2
1 k
R8
33
H
L4
33
H
L2
GND
220 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
(pin 12)
220 nF
C14
MODE
VDDA
on
mute
off
U2
TDA8929T
CONTROLLER
C3
330 pF
C8
470 nF
C13
220 nF
C27
220 nF
C36
470 nF
C40
15 nF
C41
15 nF
C42
15 nF
C43
15 nF
C37
470 nF
C28
220
nF
C33
15 nF
C26
15 nF
C15
180 pF
IN2
+
IN2
R6
10 k
C7
470 nF
R5
10 k
1 nF
C9
C6
470 nF
R4
10 k
J3
J1
QGND
inputs
outputs
power supply
mode select
J4
J2
VSS
C5
470 nF
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
100 nF
C16
100 nF
R9
10 k
C20
220 nF
C21
220 nF
C23
47
F
(35 V)
C18
220 nF
C19
220 nF
C22
47
F
(35 V)
GND
QGND
bead
L6
L5
bead
L7
bead
GND
C30
220 nF
C32
1500
F
(35 V)
C29
220 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
18
22
DIAGCUR
DIAG
R17
24
R16
24
4 or 8
SE
4 or 8
SE
8
BTL
C39
220 nF
C38
220 nF
1, 7, 12, 18, 20
n.c.
Fig.7 Two-chip class-D audio amplifier application diagram for TDA8926TH and controller TDA8929T.
Resistor R1 value
≤.
Working voltage of SMD capacitors connected between VDD and VSS must be at least 63 V.
Capacitors C31 and C32 are electrolytic capacitors with low ESR.
Capacitors C36 and C37 are MKT types.
R9 and R10 are necessary only in BTL applications with asymmetrical supply.
In BTL applications: remove input 2; remove R6, R7, C4, C7 and C8; close J5 and J6.
In BTL applications: demodulation coils L2 and L4 should be matched.
Inputs referred to QGND (close J1 and J4) or referred to VSS (close J2 and J3).
V
DD(min)
5.6 V
–
100
A
-----------------------------------------
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| TDA8932TW | 25 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO32 |
| TDA8933BTW/N2,512 | 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO32 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA8927 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Power stage 2 x 80 W class-D audio amplifier |
| TDA8927J | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Power stage 2 x 80 W class-D audio amplifier |
| TDA8927ST | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Power stage 2 x 80 W class-D audio amplifier |
| TDA8927TH | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Power stage 2 x 80 W class-D audio amplifier |
| TDA8928J | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Power stage 2 x 10 or 1 x 20 W class-D audio amplifie |
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