TDA7480 Datasheet, PDF (1/10 Pages) STMicroelectronics – 10W MONO CLASS-D AMPLIFIER

®
TDA7480
10W MONO CLASS-D AMPLIFIER
10W OUTPUT POWER:
RL = 8Ω/4Ω; 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
+VCC
R1
10K
R2
7K
R3
30K
C5 100nF
-VCC
(Pin 17)
N.C.
V_{CC POW}
C6
100nF
V_{CC SIGN}
C7
2200µF
ST-BY
MUTE
12 7,13
C1 ST-BY/
16
14
2.2
MUTE
µF
6 BOOT
IN1 11
IN1
-
PRE
C2 0.33µF
C3
+
C4 4.7nF
1nF
8
FEEDCAP
C11
-
PWM
+
4
OUT
100nF _{L1 60µH}
C12
560pF _C14
8Ω
R5
470nF
150Ω
SGN-GND
10
9
FREQ
1,2,3,18,19,20
-V_CC
5
15
17
-V_CC
BOOTDIODE
VREG
C15
100nF
C8
270pF
R4 12KΩ
RF
-VCC
D96AU536E
-VCC
C9
100nF
C10
2200µF
September 1998
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