WM8741GEDSSLASHV datasheet(5/64 Pages) WOLFSON

5 / 64 page

Production Data

WM8741

PD, Rev 4.2, October 2009

PIN DESCRIPTION (SOFTWARE CONTROL MODE)

NAME

TYPE

DESCRIPTION

PCM MODE

8FS PCM MODE

DSD MODES

LRCLK /

DSDL

Digital input

Audio interface left/right

clock input

Audio interface left/right

clock input

DSD left audio data in

DIN /

DINL

Digital input

Audio interface data

input

Audio interface left data

input

Unused

BCLK /

DSD64CLK

Digital input

Audio interface bit clock

input

Audio interface bit clock

input

64fs system clock input

FSEL /

DINR

Digital input

Tri-level

Unused

Audio interface right data

input

Unused

MCLK

Digital input

Master clock input

Unused

DIFFHW

Digital input

Internal pull-

down

Differential mono mode

selection

0 = normal operation

1 = differential mono

mode

Differential mono mode

selection

0 = normal operation

1 = differential mono

mode

Differential mono mode

selection

0 = normal operation

1 = differential mono

mode

DGND

Supply

Digital ground

DVDD

Supply

Digital supply

AVDDR

Analogue Input

Right analogue positive

reference

Right analogue positive

reference

Right analogue positive

reference

AGNDR

Analogue Input

Right analogue negative

reference

Right analogue negative

reference

Right analogue negative

reference

VMIDR

Analogue

Output

Right analogue midrail

decoupling pin

Right analogue midrail

decoupling pin

Right analogue midrail

decoupling pin

VOUTRP

Analogue

Output

Right DAC positive

output

Right DAC positive

output

Right DAC positive

output

VOUTRN

Analogue

Output

Right DAC negative

output

Right DAC negative

output

Right DAC negative

output

AGND

Supply

Analogue ground

AVDD

Supply

Analogue supply

VOUTLN

Analogue

Output

Left DAC negative output

VOUTLP

Analogue

Output

Left DAC positive output

VMIDL

Analogue

Output

Left analogue midrail

decoupling pin

Left analogue midrail

decoupling pin

Left analogue midrail

decoupling pin

AGNDL

Analogue Input

Left analogue negative

reference

Left analogue negative

reference

Left analogue negative

reference

AVDDL

Analogue Input

Left analogue positive

reference

Left analogue positive

reference

Left analogue positive

reference

ZFLAG

Digital Output

Zero flag output

OSR/DSDR

Digital input

Tri-level

Unused

DSD right audio data in

IWO /

DOUT

Digital

input/output

Buffered audio interface

data output

Unused

WM8741GEDS/V Datasheet(PDF) 5 Page - Wolfson Microelectronics plc

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