WM8771IFT 데이터 시트보기 (PDF) - Wolfson Microelectronics plc

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WM8771IFT

24-bit, 192kHz 8-Channel Codec

Wolfson Microelectronics plc 

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PIN DESCRIPTION

PIN

NAME

1

AIN1L

2

AIN1R

3

AIN2L

4

AIN2R

5

AIN3L

6

AIN3R

7

AIN4L

8

AIN4R

9

AIN5L

10

AIN5R

11

AIN6L

12

AIN6R

13

AIN7L

14

AIN7R

15

AIN8L

16

AIN8R

17

AINOPL

18

AINVGL

19

AINVGR

20

AINOPR

21

REC1L

22

REC1R

23

REFADC

24

VMIDADC

25

AGND1

26

AVDD1

27

NC

28

NC

29

REC2L

30

REC2R

31

REC3L

32

REC3R

33

AVDD2

34

VOUT1L

35

VOUT1R

36

DACREFP1

37

VOUT2L

38

GR1

39

VOUT2R

40

VMIDDAC

41

VOUT3L

42

GR2

43

VOUT3R

44

DACREFP2

45

VOUT4L

46

VOUT4R

47

AGND2

48

DGND

49

DVDD

50

ZFLAG1

51

ZFLAG2

w

WM8771

TYPE

Analogue Input

Analogue Input

Analogue Input

Analogue Input

Analogue Input

Analogue Input

Analogue Input

Analogue Input

Analogue Input

Analogue Input

Analogue Input

Analogue Input

Analogue Input

Analogue Input

Analogue Input

Analogue Input

Analogue Output

Analogue Input

Analogue Input

Analogue Output

Analogue Output

Analogue Output

Analogue Output

Analogue Output

Supply

Supply

No Connect

No Connect

Analogue Output

Analogue Output

Analogue Output

Analogue Output

Supply

Analogue output

Analogue output

Supply

Analogue output

Supply

Analogue output

Analogue output

Analogue output

Supply

Analogue output

Supply

Analogue output

Analogue output

Supply

Supply

Supply

Digital output

Digital output

DESCRIPTION

Channel 1 left input multiplexor virtual ground

Channel 1 right input multiplexor virtual ground

Channel 2 left input multiplexor virtual ground

Channel 2 right input multiplexor virtual ground

Channel 3 left input multiplexor virtual ground

Channel 3 right input multiplexor virtual ground

Channel 4 left input multiplexor virtual ground

Channel 4 right input multiplexor virtual ground

Channel 5 left input multiplexor virtual ground

Channel 5 right input multiplexor virtual ground

Channel 6 left input multiplexor virtual ground

Channel 6 right input multiplexor virtual ground

Channel 7 left input multiplexor virtual ground

Channel 7 right input multiplexor virtual ground

Channel 8 left input multiplexor virtual ground

Channel 8 right input multiplexor virtual ground

Left channel multiplexor output

Left channel multiplexor virtual ground

Right channel multiplexor virtual ground

Right channel multiplexor output

Left channel input mux select output 1

Right channel input mux select output 1

ADC reference buffer decoupling pin; 10uF external decoupling

ADC midrail divider decoupling pin; 10uF external decoupling

Analogue negative supply and substrate connection

Analogue positive supply

Left channel input mux select output 2

Right channel input mux select output 2

Left channel input mux select output 3

Right channel input mux select output 3

Analogue positive supply

DAC channel 1 left output

DAC channel 1 right output

DAC positive reference supply

DAC channel 2 left output

DAC ground reference

DAC channel 2 right output

DAC midrail decoupling pin ; 10uF external decoupling

DAC channel 3 left output

DAC ground reference

DAC channel 3 right output

DAC positive reference supply

DAC channel 4 left output

DAC channel 4 right output

Analogue negative supply and substrate connection

Digital negative supply

Digital positive supply

DAC Zero Flag output

DAC Zero Flag output

PP Rev 2.0 December 2001

3

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