wm9081 Wolfson Microelectronics plc, wm9081 Datasheet - Page 5
![no-image](/images/no-image-200.jpg)
wm9081
Manufacturer Part Number
wm9081
Description
Mono Dac With 2.6w Class Ab/d Speaker Driver, Dynamic Range Controller And Retune Mobile Parametric Equalizer
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM9081.pdf
(109 pages)
- Current page: 5 of 109
- Download datasheet (2Mb)
Pre-Production
PIN DESCRIPTION
w
PIN NO
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
LRCLK
DACDAT
DCVDD
DBVDD
DGND
SWMODE
SCIM/CHANNEL
¯ ¯ ¯ /ADDR1/4FS
SDIN/ENA
SCLK
SDOUT/ADDR0
IRQ
SPKOUTP
SPKGND
SPKGND
SPKOUTN
SPKOUTN
SPKVDD
SPKVDD
IN2
IN1
LINEOUT
VMIDC
AGND
AVDD
NC
MCLK
BCLK
¯ ¯ ¯
CS
NAME
Digital Input / Output
Digital Input
Supply
Supply
Supply
Digital Input
Digital Input
Digital Input
Digital Input / Output
Digital Input
Digital Input/ Output
Digital Output
Analogue Output
Supply
Supply
Analogue Output
Analogue Output
Supply
Supply
Analogue Input
Analogue Input
Analogue Output
Reference
Supply
Supply
Digital Input / Output
Digital Input / Output
TYPE
Audio interface DAC left / right clock
DAC digital audio data
Digital core supply
Digital buffer (I/O) supply
Digital ground (Return path for both DCVDD and DBVDD)
Selects hardware or software control mode
2-wire or 3-wire control select (Software mode) /
Left / right data channel select (Hardware mode)
3-wire chip select or 2-wire address select (Software mode) /
Normal fs input or 4fs input select (Hardware mode)
Control interface data input (Software mode) /
Device enable (Hardware mode)
Control interface clock input (Software mode)
4-wire data output or 2-wire address select (Software mode)
Interrupt signal
Positive BTL speaker output
Speaker ground (1) (Return path for SPKVDD)
Speaker ground (2) (Return path for SPKVDD)
Negative BTL speaker output (1)
Negative BTL speaker output (2)
Speaker supply (1)
Speaker supply (2)
Line input
Line input
Line output
Mid-rail voltage (VMID) decoupling connection
Analogue ground (Return path for AVDD)
Analogue supply
Not connected
Master clock
Audio interface bit clock
DESCRIPTION
PP, Rev 3.0, April 2009
WM9081
5
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