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WM8721 数据表(PDF) 2 Page - Wolfson Microelectronics plc

部件名 WM8721
功能描述  Internet Audio DAC with Integrated Headphone Driver
PDF  34 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM8721 数据表(HTML) 2 Page - Wolfson Microelectronics plc

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WM8721
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WOLFSON MICROELECTRONICS LTD
PP Rev 1.3 November 2000
2
PIN CONFIGURATION
ORDERING INFORMATION
DEVICE
TEMP. RANGE
PACKAGE
XWM8721EDS
-10 to +70
oC
20-pin SSOP
WM8721
1
AVDD
2
AGND
3
4
VMID
5
6
7
8
DCVDD
9
MODE
10
CSB
SDIN
SCLK
MCLK
DGND
DACDAT
DACLRC
BCLK
DBVDD
LHPOUT
HPGND
HPVDD
HPOUT
LOUT
ROUT
11
12
13
14
15
16
17
20
19
18
PIN DESCRIPTION
PIN
NAME
TYPE
DESCRIPTION
1
DBVDD
Supply
Digital Buffers VDD
2
BCLK
Digital Input/Output
Digital Audio Port Clock
3
DACDAT
Digital Input
DAC Digital Audio Data Input
4
DACLRC
Digital Input/Output
DAC Sample Rate Clock
5
HPVDD
Supply
Headphone VDD
6
LHPOUT
Analogue Output
Left Channel Headphone Output
7
RHPOUT
Analogue Output
Right Channel Headphone Output
8
HPGND
Ground
Headphone GND
9
LOUT
Analogue Output
Left Channel Line Output
10
ROUT
Analogue Output
Right Channel Line Output
11
AVDD
Supply
Analogue VDD
12
AGND
Ground
Analogue GND
13
VMID
Analogue Output
Mid-rail reference decoupling point
14
MODE
Digital Input
Control Interface Selection, Pull up (on power up only)
15
CSB
Digital Input
3-Wire MPU Chip Select/ 2-Wire MPU interface address selection, active
low, Pull up (on power up only)
16
SDIN
Digital Input
3-Wire MPU Data Input / 2-Wire MPU Data Input
17
SCLK
Digital Input
3-Wire MPU Clock Input / 2-Wire MPU Clock Input
18
MCLK
Digital Input
Master Clock Input (MCLK)
19
DCVDD
Supply
Digital Core VDD
20
DGND
Ground
Digital GND



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