WM8721(2000) Ver la hoja de datos (PDF) - Wolfson Microelectronics plc

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WM8721
(Rev.:2000)

Internet Audio DAC with Integrated Headphone Driver

Wolfson Microelectronics plc 

WM8721

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PIN CONFIGURATION

DBVDD

BCLK

DACDAT

DACLRC

HPVDD

LHPOUT

HPOUT

HPGND

LOUT

ROUT

1

20

2

19

3

18

4

17

5

16

WM8721

6

15

7

14

8

13

9

12

10

11

DGND

DCVDD

MCLK

SCLK

SDIN

CSB

MODE

VMID

AGND

AVDD

ORDERING INFORMATION

DEVICE

XWM8721EDS

TEMP. RANGE

-10 to +70oC

PACKAGE

20-pin SSOP

PIN DESCRIPTION

PIN

NAME

1

DBVDD

2

BCLK

3

DACDAT

4

DACLRC

5

HPVDD

6

LHPOUT

7

RHPOUT

8

HPGND

9

LOUT

10

ROUT

11

AVDD

12

AGND

13

VMID

14

MODE

15

CSB

16

SDIN

17

SCLK

18

MCLK

19

DCVDD

20

DGND

TYPE

Supply

Digital Input/Output

Digital Input

Digital Input/Output

Supply

Analogue Output

Analogue Output

Ground

Analogue Output

Analogue Output

Supply

Ground

Analogue Output

Digital Input

Digital Input

Digital Input

Digital Input

Digital Input

Supply

Ground

DESCRIPTION

Digital Buffers VDD

Digital Audio Port Clock

DAC Digital Audio Data Input

DAC Sample Rate Clock

Headphone VDD

Left Channel Headphone Output

Right Channel Headphone Output

Headphone GND

Left Channel Line Output

Right Channel Line Output

Analogue VDD

Analogue GND

Mid-rail reference decoupling point

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

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

low, Pull up (on power up only)

3-Wire MPU Data Input / 2-Wire MPU Data Input

3-Wire MPU Clock Input / 2-Wire MPU Clock Input

Master Clock Input (MCLK)

Digital Core VDD

Digital GND

WOLFSON MICROELECTRONICS LTD

PP Rev 1.3 November 2000

2

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