wm8775 Wolfson Microelectronics plc, wm8775 Datasheet - Page 4

• Manufacturer Part Number: wm8775
• Description: 24-bit, 96khz Adc With 4 Channel I/p Multiplexer
• Manufacturer: Wolfson Microelectronics plc

WM8775
PIN DESCRIPTION
Note : Digital input pins have Schmitt trigger input buffers.
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PIN
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
ADCREFGND
ADCREFP
VMIDADC
ADCLRC
AINVGR
AINOPR
AINVGL
AINOPL
DGND
MODE
AGND
AIN4R
AIN3R
AIN2R
AIN1R
AIN1L
MCLK
DOUT
DVDD
AVDD
AIN4L
AIN3L
AIN2L
NAME
BCLK
CE
CL
DI
Digital input/output
Digital input/output
Digital input/output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Digital output
Digital input
Digital Input
Digital Input
Digital input
Supply
Supply
Supply
Supply
Supply
TYPE
NC
Channel 1 left input multiplexor virtual ground
ADC audio interface bit clock
Master ADC clock; 256, 384, 512 or 768fs (fs = word clock frequency)
ADC data output
ADC left/right word clock
Digital negative supply
Digital positive supply
Serial Interface Mode select
Serial Interface Latch signal
Serial interface data
Serial interface clock
No connection
ADC midrail divider decoupling pin; 10uF external decoupling
ADC negative supply and substrate connection
ADC positive reference decoupling pin; 10uF external decoupling
Analogue positive supply
Analogue negative supply and substrate connection
Right channel multiplexor virtual ground
Right channel multiplexor output
Left channel multiplexor virtual ground
Left channel multiplexor output
Channel 4 right input multiplexor virtual ground
Channel 4 left input multiplexor virtual ground
Channel 3 right input multiplexor virtual ground
Channel 3 left input multiplexor virtual ground
Channel 2 right input multiplexor virtual ground
Channel 2 left input multiplexor virtual ground
Channel 1 right input multiplexor virtual ground
DESCRIPTION
PD, Rev 4.4, October 2008
Production Data
4