WM8521 查看數據表（PDF） - Wolfson Microelectronics plc

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产品描述 (功能)

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WM8521

Stereo DAC with Integrated Output Stage for 2Vrms LINE OUT

Wolfson Microelectronics plc 

WM8521

PIN DESCRIPTION

Production Data

PIN

NAME

TYPE

1

DGND

Supply

2

LRCLK

Digital input

3

DIN

Digital input

4

BCLK

Digital input

5

MUTE

Digital input

6

VOUTR

Analogue output

7

AGND

Supply

8

CAP

Analogue output

9

AVDD

Supply

10

VOUTL

Analogue output

11

DEEMPH

Digital input

12

FORMAT

Digital input

13

MCLK

14

DVDD

Digital input

Supply

DESCRIPTION

Digital Negative supply

Sample rate clock input

Serial audio data input

Bit clock input

Soft mute control, Internal pull down

High Impedance = Automute

High = Mute ON

Low = Mute OFF

Right channel DAC output

Analogue Negative supply

Analogue internal reference

Analogue Positive supply

Left channel DAC output

De-emphasis select, Internal pull down

High = de-emphasis ON

Low = de-emphasis OFF

Data input format select, Internal pull up

Low = 16-bit right justified or 16bit DSP ‘Mode A’

High = 16-32-bit I2S or 16bit DSP ‘Mode B’

Master clock input

Digital Positive supply

Note:

1. Digital input pins have Schmitt trigger input buffers.

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PD Rev 4.1 August 2006

4

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