WM8775SEDS datasheet(4/39 Pages) WOLFSON

Part #	WM8775SEDS

Description	24-bit, 96kHz ADC with 4 Channel I/P Multiplexer

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Manufacturer	WOLFSON [Wolfson Microelectronics plc]

Direct Link	http://www.wolfsonmicro.com

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WM8775

Production Data

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PD Rev 4.1, June 2006

4

PIN DESCRIPTION

NAME

TYPE

DESCRIPTION

1

AIN1L

Analogue Input

Channel 1 left input multiplexor virtual ground

2

BCLK

Digital input/output

ADC audio interface bit clock

3

MCLK

Digital input

Master ADC clock; 256, 384, 512 or 768fs (fs = word clock frequency)

4

DOUT

Digital output

ADC data output

5

ADCLRC

Digital input/output

ADC left/right word clock

6

DGND

Supply

Digital negative supply

7

DVDD

Supply

Digital positive supply

8

MODE

Digital Input

Serial Interface Mode select

9

CE

Digital Input

Serial Interface Latch signal

10

DI

Digital input/output

Serial interface data

11

CL

Digital input

Serial interface clock

12

NC

No connection

13

VMIDADC

Analogue Output

ADC midrail divider decoupling pin; 10uF external decoupling

14

ADCREFGND

Supply

ADC negative supply and substrate connection

15

ADCREFP

Analogue Output

ADC positive reference decoupling pin; 10uF external decoupling

16

AVDD

Supply

Analogue positive supply

17

AGND

Supply

Analogue negative supply and substrate connection

18

AINVGR

Analogue Input

Right channel multiplexor virtual ground

19

AINOPR

Analogue Output

Right channel multiplexor output

20

AINVGL

Analogue Input

Left channel multiplexor virtual ground

21

AINOPL

Analogue Output

Left channel multiplexor output

22

AIN4R

Analogue Input

Channel 4 right input multiplexor virtual ground

23

AIN4L

Analogue Input

Channel 4 left input multiplexor virtual ground

24

AIN3R

Analogue Input

Channel 3 right input multiplexor virtual ground

25

AIN3L

Analogue Input

Channel 3 left input multiplexor virtual ground

26

AIN2R

Analogue Input

Channel 2 right input multiplexor virtual ground

27

AIN2L

Analogue Input

Channel 2 left input multiplexor virtual ground

28

AIN1R

Analogue Input

Channel 1 right input multiplexor virtual ground

Note : Digital input pins have Schmitt trigger input buffers.

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WM8775SEDS Datasheet(PDF) 4 Page - Wolfson Microelectronics plc

WM8775SEDS Datasheet(HTML) 4 Page - Wolfson Microelectronics plc

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