WM8718 データシートの表示（PDF） - Wolfson Microelectronics plc
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WM8718 Datasheet PDF : 32 Pages
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WM8718
Production Data
PIN DESCRIPTION – 20 LEAD SSOP
PIN
NAME
TYPE
DESCRIPTION
1
LRCIN
Digital Input
PCM DAC Sample Rate Clock Input
2
DVDD
Supply
Positive Digital Supply
3
DGND
Supply
Ground Digital Supply
4
AVDD
Supply
Positive Analogue Supply
5
VREFP
Supply
Positive DAC reference Supply
6
VREFN
Supply
Negative DAC reference Supply
7
AGND
Supply
Ground Analogue Supply
8
VMID
Analogue Output
Mid Rail Decoupling Point
9
VOUTRP
Analogue Output
Right Channel DAC Output Positive
10
VOUTRN
Analogue Output
Right Channel DAC Output Negative
11
VOUTLN
Analogue Output
Left Channel DAC Output Negative
12
VOUTLP
Analogue Output
Left Channel DAC Output Positive
13
LATCH
Digital Input P.U.
Serial Control Load Input
14
SDIN
Digital Input
Serial Control Data Input
15
SCLK
Digital Input P.D.
Serial Control Data Input Clock
16
ZEROFR
Digital Output (Open drain) Infinite ZERO Detect Flag for Right Channel
17
ZEROFL
Digital Output (Open drain) Infinite ZERO Detect Flag for Left Channel
18
MCLK
Digital Input
Master Clock Input
19
BCLKIN
Digital Input
PCM Audio Data Bit Clock Input
20
DIN
Digital Input
PCM Serial Audio Data Input
Note:
Digital input pins have Schmitt trigger input buffers. Pins marked `P.U.` or `P.D.` have an internal pull-up or pull-down resistor.
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PD Rev 4.3 November 2006
5
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