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WM8728 Datasheet(PDF) 2 Page - Wolfson Microelectronics plc

No. de pieza WM8728
Descripción Electrónicos  24-bit, 192kHz Stereo DAC with Volume Control and DSD Support
Download  28 Pages
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Fabricante Electrónico  WOLFSON [Wolfson Microelectronics plc]
Página de inicio  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8728 Datasheet(HTML) 2 Page - Wolfson Microelectronics plc

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WM8728
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WOLFSON MICROELECTRONICS LTD
PP Rev 1.2 April 2001
2
PIN CONFIGURATION
ORDERING INFORMATION
DEVICE
TEMP. RANGE
PACKAGE
XWM8728EDS
-25 to +85
oC
20-pin SSOP
MUTEB
CSBIWL
VREFP
MODE
LATI2S
DGND
BCKIN
LRCIN
VOUTL
VMID
VREFN
AGND
WM8728
16
15
14
20
19
18
17
5
6
7
1
2
3
4
DVDD
ZERO
MCLK
DIN
13
12
11
8
9
10
AVDD
VOUTR
SDIDEM
SCKDSD
PIN DESCRIPTION
PIN
NAME
TYPE
DESCRIPTION
1
LRCIN
Digital Input
DAC Sample Rate Clock Input: PCM Input Mode
Right Channel DSD Bitstream Input: DSD Input Mode
2
DIN
Digital Input
Serial Audio Data Input: PCM Input Mode
Left Channel DSD Bitstream Input: DSD Input Mode
3
BCKIN
Digital Input
Audio Data Bit Clock Input
4
MCLK
Digital Input
Master Clock Input
5
ZERO
Digital Output (Open drain)
Infinite ZERO Detect Flag
6
DGND
Supply
Digital Ground Supply
7
DVDD
Supply
Digital Positive Supply
8
VOUTR
Analogue Output
Right Channel DAC Output
9
AGND
Supply
Analogue Ground Supply
10
AVDD
Supply
Analogue Positive Supply
11
VOUTL
Analogue Output
Left Channel DAC Output
12
VMID
Analogue Output
Mid Rail Decoupling Point
13
VREFN
Supply
DAC Negative Reference – normally AGND, must not be below AGND
14
VREFP
Supply
DAC Positive Reference – normally AVDD, must not be above AVDD
15
CSBIWL
Digital Input
(pull-up)
Software Mode: 3-Wire Serial Control Chip Select
Hardware Mode: Input Word Length
16
MODE
Digital Input (pull-down)
Control Mode Selection (L = Hardware, H = Software)
17
MUTEB
Digital Bi-directional
Mute Control (L = Mute on, H = Mute off, Z = Automute Enabled)
18
SDIDEM
Digital Bi-directional
Software Mode: 3 or 2-Wire Serial Control Data Input:
Hardware Mode: De-Emphasis Select
19
SCKDSD
Digital Input
(pull-down)
Software Mode: 3 or 2-Wire Serial Control Clock Input
Hardware Mode: DSD Bitstream Operation Select
20
LATI2S
Digital Input
(pull-up)
Software Mode 3-Wire Serial Control Load Input
Hardware Mode: Input Data Format Selection
Note:
Digital input pins have Schmitt trigger input buffers.


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