廬
TDA7480
10W MONO CLASS-D AMPLIFIER
10W OUTPUT POWER:
R
L
= 8鈩?4鈩? THD = 10%
HIGH EFFICIENCY
NO HEATSINK
SPLIT SUPPLY
OVERVOLTAGE PROTECTION
ST-BY AND MUTE FEATURES
SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
DESCRIPTION
The TDA7480 is an audio class-D amplifier as-
sembled in Power DIP package specially de-
signed for high efficiency applications mainly for
TV and Home Stereo sets.
PDIP20
(14+3+3)
ORDERING NUMBER:
TDA7480
Figure 1:
Test and Application Circuit.
+5V
R1
10K
R2
7K
ST-BY
MUTE
-VCC
(Pin 17)
R3
30K
ST-BY/
MUTE
IN1
C2 0.33碌F
C4 4.7nF
C3
1nF
8
FEEDCAP
12
N.C.
7,13
V
CC POW
16
+VCC
C5 100nF
C6
100nF
V
CC SIGN
14
6
C7
2200碌F
C1
2.2
碌F
BOOT
C11
100nF
OUT
C12
560pF
R5
150鈩?/div>
L1 60碌H
IN1
11
-
+
PRE
-
+
PWM
4
C14
470nF
8鈩?/div>
BOOTDIODE
SGN-GND
5
10
9
FREQ
C8
270pF
R4 12K鈩?/div>
RF
C9
100nF
-VCC
C10
2200碌F
1,2,3,18,19,20
-V
CC
17
-V
CC
15
VREG
C15
100nF
D96AU536E
-VCC
September 1998
1/10
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