TDA7498MV 查看數據表（PDF） - STMicroelectronics

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TDA7498MV

100 W mono BTL class-D audio amplifier

STMicroelectronics 

Application information

5

5.1

Application information

Application circuit

Figure 18: Application circuit

J9

1

2

INPU T

C1

1µF

C2

1µF

C5

100nF

For

R7

J7

single-ended

22R

input

C6

100nF

1

SUB_GN D

22 IN P

C3

1nF 23 INN

C4

1nF 27 SGND

VDDS 26 VDDS

R1

28 DIAG

100k

DIAG

19 VDD PW

18 PGND

Frequency shift

Q1

R9

KTC3875(S)

R1 3

180K

3

FS

47k

1

2

R1 4

100k

25 SYNC LK

C8

R3

100nF

39K

24 ROSC

VDDS

J5 30 GAIN 0

31 GAIN 1

J6

35 SVC C

C1 0

100nF 36 VSS

IC 3

TDA7498M V

3V3

FS

J4

S2 MUTE

1

2

3

S1 STB Y

1

2

3

OU T

IC 2

IN

1 L4931CZ3 3 3

C2 9

2.2µF

2

GN D

C9

100nF

R8

6.8k

D1

18V

VDDS

32 VDDS2

33 SGND2

R4

120k

R2

33k

21 MUTE

+ C1 5

2.2µF

16V

20

STB Y

+ C7

2.2µF

16V

VCC

3V3 Power supply

TDA7498MV

CLASS-D AMPLIFIER

OUT P 16

OUT P 17

PGND 14

PGND 15

L4

*22µH

R6

22R

PVCC

PVCC

C2 5

100nF

12

13

OUTN 10

OUTN 11

C3 0

1µ F

C2 7

330pF

L3

* 22µH

NC 3

NC 2

NC 7

NC 6

*

C2 8

220n F

* C2 6

* 680nF

C2 4

220nF

C2 3

2200µF

50 V

R1 5

8R

C4 0

220nF

C4 1

220nF

R1 6

8R

J3

OU T-1

OU T-2

OUTPU T

Load = 6 ohm

2

+

VC C

1

GN D

J2

NC 5

NC 4

NC 9

NC 8

VREF 34

SVR 29

C1 7

10µF

10V

C1 6

10µF

10V

LC filter components

Load

6 ohm

L1,L2

22 µH

C26

680 nF

8 oh m

22 µH

470 nF

C24,C28

220 nF

220 nF

16/26

DocID016505 Rev 6

TDA7498MV

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