XWM8728EDS(2001) Просмотр технического описания (PDF) - Wolfson Microelectronics plc

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производитель

XWM8728EDS
(Rev.:2001)

24-bit, 192kHz Stereo DAC with Volume Control and DSD Support

Wolfson Microelectronics plc 

WM8728

PIN CONFIGURATION

LRCIN

DIN

BCKIN

MCLK

ZERO

DGND

DVDD

VOUTR

AGND

AVDD

1

20

2

19

3

18

4

17

5

16

WM8728

6

15

7

14

8

13

9

12

10

11

LATI2S

SCKDSD

SDIDEM

MUTEB

MODE

CSBIWL

VREFP

VREFN

VMID

VOUTL

Product Preview

ORDERING INFORMATION

DEVICE

XWM8728EDS

TEMP. RANGE

-25 to +85oC

PACKAGE

20-pin SSOP

PIN DESCRIPTION

PIN

NAME

1

LRCIN

TYPE

Digital Input

2

DIN

Digital Input

3

BCKIN

Digital Input

4

MCLK

Digital Input

5

ZERO

Digital Output (Open drain)

6

DGND

Supply

7

DVDD

Supply

8

VOUTR

Analogue Output

9

AGND

Supply

10

AVDD

Supply

11

VOUTL

Analogue Output

12

VMID

Analogue Output

13

VREFN

Supply

14

VREFP

Supply

15

CSBIWL

Digital Input

(pull-up)

16

MODE

Digital Input (pull-down)

17

MUTEB Digital Bi-directional

18

SDIDEM

Digital Bi-directional

19

SCKDSD

Digital Input

(pull-down)

20

LATI2S

Digital Input

(pull-up)

Note:

Digital input pins have Schmitt trigger input buffers.

DESCRIPTION

DAC Sample Rate Clock Input: PCM Input Mode

Right Channel DSD Bitstream Input: DSD Input Mode

Serial Audio Data Input: PCM Input Mode

Left Channel DSD Bitstream Input: DSD Input Mode

Audio Data Bit Clock Input

Master Clock Input

Infinite ZERO Detect Flag

Digital Ground Supply

Digital Positive Supply

Right Channel DAC Output

Analogue Ground Supply

Analogue Positive Supply

Left Channel DAC Output

Mid Rail Decoupling Point

DAC Negative Reference – normally AGND, must not be below AGND

DAC Positive Reference – normally AVDD, must not be above AVDD

Software Mode: 3-Wire Serial Control Chip Select

Hardware Mode: Input Word Length

Control Mode Selection (L = Hardware, H = Software)

Mute Control (L = Mute on, H = Mute off, Z = Automute Enabled)

Software Mode: 3 or 2-Wire Serial Control Data Input:

Hardware Mode: De-Emphasis Select

Software Mode: 3 or 2-Wire Serial Control Clock Input

Hardware Mode: DSD Bitstream Operation Select

Software Mode 3-Wire Serial Control Load Input

Hardware Mode: Input Data Format Selection

WOLFSON MICROELECTRONICS LTD

PP Rev 1.2 April 2001

2

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