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WM8941 bảng dữ liệu(PDF) 6 Page - Wolfson Microelectronics plc

tên linh kiện WM8941
Giải thích chi tiết về linh kiện  Mono CODEC with Speaker Driver and Video Buffer
PDF  96 Pages
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nhà sản xuất  WOLFSON [Wolfson Microelectronics plc]
Trang chủ  http://www.wolfsonmicro.com
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WM8941 bảng dữ liệu(HTML) 6 Page - Wolfson Microelectronics plc

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WM8941
Pre Production
w
PP, Rev 3.3, December 2007
6
PIN DESCRIPTION
PIN
NAME
TYPE
DESCRIPTION
1
MICBIAS
Analogue Output
Microphone bias
2
AVDD
Supply
Analogue supply
3
AGND
Supply
Analogue ground
4
DCVDD
Supply
Digital Supply (Core)
5
DBVDD
Supply
Digital supply (Input/Output)
6
DGND
Supply
Digital ground
7
ADCDAT
Digital Output
ADC digital audio data output
8
DACDAT
Digital Input
DAC digital audio data input
9
FRAME
Digital Input / Output
DAC and ADC sample rate clock or frame synch
10
BCLK
Digital Input / Output
Digital audio port clock
11
MCLK
Digital Input
Master clock input
12
CSB/GPIO
Digital Input / Output
3-Wire control interface chip select or GPIO pin
13
MODE/GPIO
Digital Input
Control interface mode selection or GPIO pin
14
SCLK
Digital Input
3-Wire control interface clock Input / 2-Wire control interface clock
input
15
SDIN
Digital Input / Output
3-Wire control interface data Input / 2-Wire control interface data input
16
VBVDD
Supply
Vide buffer supply
17
VBOUT
Analogue Output
Video buffer TV output
18
VBREF
Analogue Output
Video buffer reference pin
19
VBIN
Analogue Input
Video buffer input
20
MONOOUT
Analogue Output
Mono output
21
SPKOUTP
Analogue Output
Speaker output positive
22
SPKGND
Supply
Speaker ground
23
SPKOUTN
Analogue Output
Speaker output negative
24
SPKVDD
Supply
Speaker supply
25
AUX
Analogue Input
Auxiliary analogue input
26
VMID
Reference
Decoupling for midrail reference voltage
27
MICN
Analogue Input
Microphone negative input (common mode)
28
MICP
Analogue Input
Microphone positive input
Note:
1.
It is recommended that the QFN ground paddle should be connected to analogue ground on the application PCB.
2.
Refer to the application note WAN_0118 on “Guidelines on How to Use QFN Packages and Create Associated PCB
Footprints”



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