WM8718
Production Data
PIN DESCRIPTION – 20 LEAD SSOP
PIN
1
NAME
LRCIN
DVDD
TYPE
Digital Input
DESCRIPTION
PCM DAC Sample Rate Clock Input
2
Supply
Positive Digital Supply
3
DGND
Supply
Ground Digital Supply
4
AVDD
Supply
Positive Analogue Supply
5
VREFP
VREFN
AGND
Supply
Positive DAC reference Supply
Negative DAC reference Supply
Ground Analogue Supply
6
Supply
7
Supply
8
VMID
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Digital Input P.U.
Digital Input
Mid Rail Decoupling Point
9
VOUTRP
VOUTRN
VOUTLN
VOUTLP
LATCH
SDIN
Right Channel DAC Output Positive
Right Channel DAC Output Negative
Left Channel DAC Output Negative
Left Channel DAC Output Positive
Serial Control Load Input
10
11
12
13
14
15
16
17
18
19
20
Serial Control Data Input
SCLK
Digital Input P.D.
Digital Output (Open drain)
Digital Output (Open drain)
Digital Input
Serial Control Data Input Clock
Infinite ZERO Detect Flag for Right Channel
Infinite ZERO Detect Flag for Left Channel
Master Clock Input
ZEROFR
ZEROFL
MCLK
BCLKIN
DIN
Digital Input
PCM Audio Data Bit Clock Input
PCM Serial Audio Data Input
Digital 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.
PD Rev 4.3 November 2006
w
5
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
