WM8739 데이터 시트보기 (PDF) - Wolfson Microelectronics plc

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WM8739

Stereo Audio ADC

Wolfson Microelectronics plc 

WM8739 / WM8739L

Advanced Information

PIN CONFIGURATION (QFN)

ORDERING INFORMATION (QFN)

DEVICE

AVDD RANGE

PACKAGE

21 20 19 18 17 16 15

XWM8739EFL

XWM8739LEFL

2.7 to 3.6V

1.8 to 3.6V

28-pin QFN

(5x5x0.9 mm)

NC 22

14 NC

RLINEIN 23

13 NC

LLINEIN 24

12 NC

MODE 25

11 ADCLRC

CSB 26

10 ADCDAT

SDIN 27

9 DNC

SCLK 28

8 DNC

1234 567

PIN DESCRIPTION (QFN PACKAGE)

PIN

1

2

3

4

5

6

7

8, 9

10

11

12 - 17

18

19

20

21, 22

23

24

25

26

NAME

XTI/MCLK

XTO

DCVDD

DGND

DBVDD

NC

BCLK

DNC

ADCDAT

ADCLRC

NC

AVDD

AGND

VMID

NC

RLINEIN

LLINEIN

MODE

CSB

TYPE

Digital Input

Digital Output

Supply

Ground

Supply

Digital Input/Output

Test pin

Digital Output

Digital Input/Output

Supply

Ground

Analogue Output

Analogue Input

Analogue Input

Digital Input

Digital Input

DESCRIPTION

Crystal Input or Master Clock Input (MCLK)

Crystal Output

Digital Core VDD

Digital GND

Digital Buffers VDD

No Internal Connection

Digital Audio Port Clock

Do not connect (leave this pin floating)

ADC Digital Audio Data Output

ADC Sample Rate Clock

No Internal Connection

Analogue VDD

Analogue GND

Mid-rail reference decoupling point

No Internal Connection

Right Channel Line Input (AC coupled)

Left Channel Line Input (AC coupled)

Control Interface Selection, Pull up (on power up only)

3-Wire MPU Chip Select/ 2-Wire MPU interface address selection

AI Rev 2.2 September 2001

3

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