TDA7480

10W MONO CLASS-D AMPLIFIER

10W OUTPUT POWER:

Ω/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.

September 1998

®

L1 60

µH

8

Ω

+

-

+

-

PWM

PRE

11

8

C2 0.33

µF

IN1

C4 4.7nF

FEEDCAP

OUT

BOOT

C11

100nF

C12

560pF

R5

150

Ω

C14

470nF

6

4

VREG

C15

100nF

R4 12K

Ω

15

5

C10

2200

µF

C9

100nF

SGN-GND

10

MUTE

ST-BY

12

16

14

+VCC

ST-BY/

MUTE

C1

2.2

µF

R3

30K

R2

7K

C7

2200

µF

IN1

D96AU536E

-VCC

(Pin 17)

C6

100nF

C3

1nF

R1

10K

+5V

7,13

N.C.

C5 100nF

BOOTDIODE

C8

270pF

9

1,2,3,18,19,20

17

FREQ

-VCC

RF

-VCC

Figure 1: Test and Application Circuit.

ORDERING NUMBER: TDA7480

PDIP20 (14+3+3)

1/10