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WM8741GEDS/RV Datasheet(PDF) 7 Page - Wolfson Microelectronics plc

No. de pieza WM8741GEDS/RV
Descripción Electrónicos  24-bit 192kHz DAC with Advanced Digital Filtering
PDF  64 Pages
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Fabricante Electrónico  WOLFSON [Wolfson Microelectronics plc]
Página de inicio  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8741GEDS/RV Datasheet(HTML) 7 Page - Wolfson Microelectronics plc

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Production Data
WM8741
w
PD, Rev 4.2, October 2009
7
PIN DESCRIPTION (HARDWARE CONTROL MODE)
PIN
NAME
TYPE
DESCRIPTION
PCM MODE
DSD DIRECT MODE
1
LRCLK /
DSDL
Digital input
Audio interface left/right clock input
DSD left audio data in
2
DIN /
DINL
Digital input
Audio interface data input
Unused
3
BCLK /
DSD64CLK
Digital input
Audio interface bit clock input
64fs system clock input
4
FSEL /
DINR
Digital input
Tri-level
Selects between one of three digital
filters – see Table 50
Unused
5
MCLK
Digital input
Master clock input
Unused
6
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
7
DGND
Supply
Digital ground
Digital ground
8
DVDD
Supply
Digital supply
Digital supply
9
AVDDR
Analogue Input
Right analogue positive reference
Right analogue positive reference
10
AGNDR
Analogue Input
Right analogue negative reference
Right analogue negative reference
11
VMIDR
Analogue
Output
Right analogue midrail decoupling pin
Right analogue midrail decoupling pin
12
VOUTRP
Analogue
Output
Right DAC positive output
Right DAC positive output
13
VOUTRN
Analogue
Output
Right DAC negative output
Right DAC negative output
14
AGND
Supply
Analogue ground
Analogue ground
15
AVDD
Supply
Analogue supply
Analogue supply
16
VOUTLN
Analogue
Output
Left DAC negative output
Left DAC negative output
17
VOUTLP
Analogue
Output
Left DAC positive output
Left DAC positive output
18
VMIDL
Analogue
Output
Left analogue midrail decoupling pin
Left analogue midrail decoupling pin
19
AGNDL
Analogue Input
Left analogue negative reference
Left analogue negative reference
20
AVDDL
Analogue Input
Left analogue positive reference
Left analogue positive reference
21
ZFLAG
Digital Output
Zero flag output
Unused
22
OSR/DSDR
Digital input
Tri-level
Controls internal oversampling rate:
0 = low rate
Z = medium rate
1 = high rate
DSD right audio data in
23
IWO /
DOUT
Digital
input/output
Controls audio interface wordlength –
see Table 46
Unused



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