WM8729
Production Data
PIN DESCRIPTION
PIN
1
NAME
LRCIN
DIN
TYPE
Digital Input
Digital Input
Digital Input
Analogue Input
Supply
DESCRIPTION
DAC Sample Rate Clock Input
2
Serial Audio Data Input
Audio Data Bit Clock Input.
Master Clock Input
3
BCKIN
MCLK
DGND
DVDD
VOUTR
AGND
AVDD
VOUTL
VMID
4
5
Digital Ground Supply
6
Supply
Digital Positive Supply
Right Channel DAC Output
Analogue Ground Supply
Analogue Positive Supply
Left Channel DAC Output
Mid Rail Decoupling Point
7
Analogue Output
Supply
8
9
Supply
10
11
12
13
14
Analogue Output
Analogue Output
Supply
VREFN
VREFP
MUTEB
DAC Negative Reference – normally AGND, must not be below AGND
DAC Positive Reference – normally AVDD, must not be above AVDD
Supply
Digital Bi-directional Mute Control, (L = Mute on, H = Mute off, Z = Automute Enabled)
15
DEM
Digital Input
De-Emphasis Select
0 = De-Emphasis Off
1 = De-Emphasis On
16
FORMAT
Digital Input
(Pull-Up)
Digital Audio Data Input Format Selection
0 = Right justified Audio Data
1 = I2S Audio Data
Note:
Digital input pins have Schmitt trigger input buffers.
PD Rev 4.1 June 2006
4
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
