PT2833

V1.3

2

March 2019

APPLICATION CIRCUIT DIAGRAM

OUTPL

PVCCL

PGNDL

OUTNL

OUTPR

PVCCR

PGNDR

OUTNR

AGND

SD

SDI

DACLO

INL1

INR1

DACRO

BCKI

LRCI

INR2

INR4

INR3

RAO

LAO

INL3

INL4

INL2

GND

PVCCL

PVCCR

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

PT2833

LINE

OUT

TV TUNER

PC(VGA)

AUDIO

CVBS

AUDIO

DSP or

HDMI AUDIO

L2

R2

L3

R3

L4

R4

SDI

LRCI

BCKI

LOUT

ROUT

HOST

MCU

HOST

MCU

C1

C2

C3

C4

1u

1u

1u

1u

C8

C7

C6

C5

1u

1u

1u

1u

C10

1u

C9

1u

C11

C12

C13

820p

68n

68n

C14

C15

C16

820p

68n

68n

C17

2.2u

C18

0.47u

C19

2.2u

C20

0.47u

C20

C21

C22

C23

C24

C25

1u

2.2u

2.2u

1u

1u

0.22u

C26

C27

220u

220u

C28

0.1u

C29

10u

C30

C31

0.47u

4.7u

C32

0.47u

C33

0.1u

C34

0.1u

C35

1000u

C36

0.1u

C37

0.1u

C38

330p

C39

C40

0.1u

C41

0.1u

C42

330p

C43

C45

0.1u

C

0.1u

L4

L3

L2

L1

R1 R2 R3

47K

47K

47K

R4

8.2K

R6

8.2K

R12

22

R13

22

R8

R9

R10

R11

2K

1K

2K

1K

LC Filter Components

R_LOAD

4Ω

6Ω

8Ω

L1, L2, L3, L4

15uH

22uH

33uH

C39, C43

470nF

220nF

220nF

0.1u

C46

HPVCC=5V

SVCC=12V

R7

47K

R5

47K

MONO MODE (PBTL)

The PT2833 family can be connected in MONO. This is done by:

• Connect OUTPL and OUTNL together for the positive speaker terminal and OUTNR and OUTPR together for the

negative terminal.

PT2833

PSU

7V~15V

CHL

OUTPL

OUTNL

OUTPR

OUTNR

LC Filter