STA323WTR 查看數據表（PDF） - STMicroelectronics

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STA323WTR

2.1 HIGH EFFICIENCY DIGITAL AUDIO SYSTEM

STMicroelectronics 

STA323W

Figure 8. BLOCK DIAGRAMS (refer to Stereo Application Circuit)

VDD REG 19

VSS 35

Vcc Sign 36

REGULATORS

GND REG 18

3.3V

550pF

VL 20

CONFIG 21

GNDCLEAN 17

PROTECTION

&

LOGIC

7250

20pF

3.3V

3.3V

SCL 23

SDA 24

RESET 22

BICKI 32

SDI 30

LRCKI 31

26

XTI 27

VDDA

29

GNDA

28

VDD

34

GND

33

DIGITAL

PWM

MODULATOR

1, 2, 5, 14,

N.C.

M3

M2

M5

M4

M17

M15

M16

M14

25

RES

VCC1A

15

C30

100nF

16

OUT1A

13

GND1A

11 VCC1B

C31

1µF

10

OUT1B

12 GND1B

8 VCC2A

C32

100nF

9

OUT2A

7

GND2A

4 VCC2B

C33

1µF

3

OUT2B

6 GND2B

L18 22µH

C20

100nF

C52

330pF R98

6

R63 R100

20

6

C21

100nF

L19 22µH

L113 22µH

C110

100nF

R103

6

R104 R102

20

6

C111

100nF

L112 22µH

D00AU1541

C99

100nF

C23

470nF

C101

100nF

C107

100nF

C108

470nF

C106

100nF

+VCC

C55

1000µF

Figure 9. Pin Description

N.C.

1

N.C.

2

OUT2B

3

VCC2B

4

N.C.

5

GND2B

6

GND2A

7

VCC2A

8

OUT2A

9

OUT1B

10

VCC1B

11

GND1B

12

GND1A

13

N.C.

14

VCC1A

15

OUT1A

16

GNDCLEAN

17

GNDREG

18

36

VCC SIGN

35

VSS

34

VDD

33

GND

32

BICKI

31

LRCKI

30

SDI

29

VDDA

28

GNDA

27

XTI

26

PLL FILTER

25

RES

24

SDA

23

SCL

22

RESET

21

CONFIG

20

VL

19

VDD REG

4/41

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