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PDF TDA7481 Data sheet ( Hoja de datos )
| Número de pieza | TDA7481 | |
| Descripción | 10W MONO CLASS-D AMPLIFIER | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TDA7481 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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TDA7481
18W MONO CLASS-D AMPLIFIER
18W OUTPUT POWER:
RL = 8Ω/4Ω; THD = 10%
HIGH EFFICIENCY
WIDE SUPPLY VOLTAGE RANGE (UP TO
±25V)
SPLIT SUPPLY
OVERVOLTAGE PROTECTION
ST-BY AND MUTE FEATURES
SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
DESCRIPTION
The TDA7481 is an audio class-D amplifier as-
sembled in Multiwatt15 package specially de-
signed for high efficiency applications mainly for
TV and Home Stereo sets.
Figure 1: Test and Application Circuit.
Multiwatt15
ORDERING NUMBER: TDA7481
+5V +VCC
R1
10K
R2
10K
ST-BY
MUTE
C1
2.2
µF
IN1
C2 0.33µF
C4 4.7nF
R3
30K
ST-BY/
MUTE
IN1
C3
1nF
FEEDCAP
SGN-GND
C5 100nF
-VCC
(Pin 14,15)
N.C.
VCC POW
10 4
13
C6
100nF
VCC SIGN
11
9
-
PRE
+
5
-
PWM
+
3
1
7
6
FREQ
8
-VCC SIGN
12
14,15
2
-VCC POW
C7
2200µF
BOOT
OUT
VREG
C11
100nF L1 60µH
C12
560pF
R5
150Ω
C14
470nF
BOOTDIODE
C15
100nF
C8
270pF
R4 12KΩ
(RF)
-VCC
D96AU534C
C9
100nF
C10
2200µF
8Ω
February 1998
1/6
1 page  
MULTIWATT15 PACKAGE MECHANICAL DATA
DIM.
A
B
C
D
E
F
G
G1
H1
H2
L
L1
L2
L3
L4
L7
M
M1
S
S1
Dia1
MIN.
0.49
0.66
1.02
17.53
19.6
21.9
21.7
17.65
17.25
10.3
2.65
4.25
4.63
1.9
1.9
3.65
mm
TYP.
1
1.27
17.78
22.2
22.1
17.5
10.7
4.55
5.08
MAX.
5
2.65
1.6
0.55
0.75
1.52
18.03
20.2
22.5
22.5
18.1
17.75
10.9
2.9
4.85
5.53
2.6
2.6
3.85
MIN.
0.019
0.026
0.040
0.690
0.772
0.862
0.854
0.695
0.679
0.406
0.104
0.167
0.182
0.075
0.075
0.144
TDA7481
inch
TYP.
0.039
0.050
0.700
0.874
0.870
0.689
0.421
0.179
0.200
MAX.
0.197
0.104
0.063
0.022
0.030
0.060
0.710
0.795
0.886
0.886
0.713
0.699
0.429
0.114
0.191
0.218
0.102
0.102
0.152
5/6
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet TDA7481.PDF ] | |
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