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TDA8927数据手册封面

TDA8927 Datasheet

  • TDA8927

  • Power stage 2 X 80 W class-D

  • 336.42KB

  • Philips

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2001 Dec 11
VDDA
R1
30 k鈩?/div>
on
mute
off
Philips Semiconductors
Power stage 2
脳
80 W class-D
audio ampli铿乪r
mode select
VDDA
R2
39 k鈩?/div>
3
MODE
6
S1
C1
220 nF
R3
VSSA
27 k鈩?/div>
C2
220 nF
SGND1
GND
SGND2
IN1
+
C3
330 pF
IN1
鈭?/div>
IN2
+
2
OSC
C11
C12
100 nF
100 nF
VSSA
VSS(sub)
SW2
REL2
EN2
VDDD
R18
200 k鈩?/div>
POWERUP
VDDD
C24
560 pF
VSSD
19
16
15
13
U1
10
9
OUT2
C26
15 nF
R12
5.6
鈩?/div>
VSSD
C25
560 pF
R13
5.6
鈩?/div>
L1
bead
VDD1 VDD2
10
VSS2 VSS1
12
1
PWM2
17
SW2
13
REL2
14
EN2
16
QGND
C40
1 nF
D1
(5.6 V)
L2
Sumida 33
碌H
CDRH127-330
C36
470 nF
VDDD
R16
5.6
鈩?/div>
C38
220 nF
OUT2
鈭?/div>
1
2
4 or 8
鈩?/div>
SE
GND
7
U2
BOOT2
VDD1
C29
100 nF
C31
1500
碌F
(35 V)
C32
1500
碌F
(35 V)
C41
1 nF
QGND
OUT2
+
TDA8929T
19
STAB
18
11
22
VSSD
DIAGCUR
5
CONTROLLER
VDD2
D2
or
11
C13
C14
(7.5 V)
STAB
100 nF
TDA8927TH
C27
6
V
VSSA SSD
100 nF
100 nF STAB
7
VSS2
C15
8
180 pF
R8
DIAG
VSS1
23
5
1 k鈩?/div>
POWER STAGE
EN1
REL1
SW1
VSSD
LIM
3
BOOT1
C33
15 nF
14
TDA8926TH
2
OUT2
鈭?/div>
2
C28
100
nF
GND
C30
100 nF
1
8
鈩?/div>
BTL
VSSD
C37
470 nF
L3
bead
R15
5.6
鈩?/div>
C35
560 pF
Sumida 33
碌H
CDRH127-330
L4
C39
220 nF
R17
5.6
鈩?/div>
OUT1
+
QGND
C42
1 nF
4
8
21
23
24
EN1
REL1
SW1
PWM1
OUT1
鈭?/div>
2
1
24
22
21
17
1, 12, 18, 20
n.c.
J5
J6
C5
1
碌F
C6
1
碌F
R4
10 k鈩?/div>
C9
1 nF
C7
1
碌F
R5
10 k鈩?/div>
C4
330 pF
OUT1
4
4 or 8
鈩?/div>
SE
R9 and R10 are only necessary in BTL applications with asymmetrical supply.
handbook, full pagewidth
20
input 1
J1
QGND
J2
VSS
IN2
鈭?/div>
9
15
20
R14
5.6
鈩?/div>
C34
560 pF
C43
1 nF
QGND
OUT1
+
C8
1
碌F
R6
10 k鈩?/div>
C10
1 nF
R7
10 k鈩?/div>
outputs
n.c.
VDDD VSSD
QGND
C16
1 nF
+
25 V
VDD
1
GND
鈭?/div>
25 V
2
3
VSS
C17
1 nF
QGND
QGND
L5
bead
VDDD
R9
10 k鈩?/div>
L7
bead
R11
5.6
鈩?/div>
C18
100 nF
C19
100 nF
C22
47
碌F
(35 V)
GND
R10
9.1 k鈩?/div>
bead
L6
VSSD
C20
100 nF
C21
100 nF
C23
47
碌F
(35 V)
VSSA
VDDA
input 2
J3
J4
QGND
inputs
power supply
MGW232
Objective speci铿乧ation
TDA8927
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 V
SS
(close J2 and J3).
Fig.11 Two-chip class-D audio amplifier application diagram for TDA8926TH or TDA8927TH and TDA8929T.

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