WM8200
Product Preview
PIN DESCRIPTION
PIN
1
NAME
DO1 DO3
DO2 DO4
DO3 DO5
DO4 DO6
DO5 DO7
DO6 DO8
DO7 DO9
DO8 DO10
DO9 DO11
SCLK
TYPE
DESCRIPTION
Digital Output
Digital Output
Digital Output
Digital Output
Digital Output
Digital Output
Digital Output
Digital Output
Digital Output
Digital Input
Ground
Digital output bit
Digital output bit
Digital output bit
Digital output bit
Digital output bit
Digital output bit
Digital output bit
Digital output bit
Digital output bit (MSB)
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
3-Wire Control Interface Clock Input
Negative Digital Supply
DGND
CLK
Analogue Input
Digital Input
Digital Input
Analogue Input
Digital Input
Clock input
CSB
3-Wire Control Interface Chip Select
3-Wire Control Interface Data Input
VREF feedback/configuration control
High to enable clamp mode, low to disable clamp mode
SDIN
REFSENSE
CLAMP
REFT
Analogue Input/Output Top ADC reference voltage
Analogue Input
High (MODE=AVDD) to enable internal ADC references.
MODE
Low (MODE=AVSS) to enable use of external ADC references applied to
REFT and REFB.
19
20
21
22
23
24
25
26
REFB
AINN
Analogue Input/Output Bottom ADC reference voltage
Analogue Input
Analogue Input
Positive analogue input
Negative analogue Input
AINP
VREF
AVDD
AGND
DVDD
Analogue Input/Output Internal/external reference voltage
Supply
Ground
Positive Analogue Supply
Negative Analogue Supply
Supply
Positive Digital Supply
NC
DO0
Digital Output
Not internally connected (10-bit option)/
Digital output bit (LSB for 12-bit option only)
Not internally connected (10-bit option) /
Digital output bit (for 12-bit Option Only)
Digital output bit (LSB for 10-bit Option)
27
28
NC
DO1
Digital Output
Digital Output
DO0 DO2
PP Rev 1.22 March 2002
3
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
