WM8728SEDS-RV 데이터 시트보기 (PDF) - Wolfson Microelectronics plc

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WM8728SEDS-RV

24-bit, 192kHz Stereo DAC with Volume Control

Wolfson Microelectronics plc 

WM8728

Production Data

PIN DESCRIPTION

PIN

NAME

TYPE

1

LRCIN

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

SCK

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

Serial Audio Data Input: PCM Input Mode

Audio Data Bit Clock Input

Master Clock Input

Infinite ZERO Detect Flag (L = IZD detected, H = IZD not detected).

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

Software Mode 3-Wire Serial Control Load Input

Hardware Mode: Input Data Format Selection

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PD, Rev 4.6, August 2008

4

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