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TDA7482 데이터 시트보기 (PDF) - STMicroelectronics

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TDA7482
ST-Microelectronics
STMicroelectronics ST-Microelectronics
TDA7482 Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
TDA7482
25W MONO CLASS-D AMPLIFIER
1 FEATURES
25W OUTPUT POWER:
RL = 8/4; THD = 10%
HIGH EFFICIENCY
WIDE SUPPLY VOLTAGE RANGE (UP TO
±25V)
SPLIT SUPPLY
OVERVOLTAGEPROTECTION
ST-BY AND MUTE FEATURES
SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
2 DESCRIPTION
The TDA7482 is an audio class-D amplifier as-
Figure 1. Package
Multiwatt15
Table 1. Order Codes
Part Number
TDA7482
Package
Multiwatt15
sembled in Multiwatt15 package specially de-
signed for high efficiency applications mainly for
TV and Home Stereo sets.
Figure 2. Test and Application Circuit.
+5V
+VCC
R1
10K
R2
R3
10K
30K
C5 100nF
-VCC
(Pin 14,15)
N.C.
VCC POW
C6
100nF
VCC SIGN
C7
2200µF
ST-BY MUTE
10
C1 ST-BY/
2.2
MUTE
µF
IN1 9
IN1
C2 0.33µF
C3
C4 4.7nF
1nF
5
FEEDCAP
4
13
-
PRE
+
11
-
PWM
+
3 BOOT
C11
1
100nF L1 60µH
OUT
C12
560pF C14
8
R5 470nF
150
VREG
12
C15
SGN-GND
7
2
100nF
6
8
14,15
BOOTDIODE
FREQ
-VCC SIGN
-VCC POW
C8
270pF
R4 12K
(RF)
-VCC
D96AU538C
C9
100nF
C10
2200µF
October 2004
Rev. 4
1/7

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