[AK1572]
Power
Down
No
Name
I/O
DI
Pin function
Remarks
Test enable
Pull Down
Schmidt trigger input
30 TEST1
A logic low on this pin test mode the
device.
Test enable
A logic low on this pin test mode the
device.
Pull Down
Schmidt trigger input
31 TEST2
32 REFIN
DI
AI
Reference Input
Note 1) The exposed pad at the center of the backside should be connected to ground.
The following table shows the meaning of abbreviations used in the “I/O” column above.
AI:Analog input pin
AO:Analog output pin AIO:Analog I/O pin
DI:Digital input pin
DO:Digital output pin P: Power supply pin
G:Ground pin
2. Pin Assignments
24 23 22 21 20 19 18 17
25
26
27
28
29
30
31
32
16
15
14
13
12
11
10
9
33
1
2
3
4
5
6
7
8
32pin QFN (0.5mm pitch, 5mm x 5mm)
Fig. 2 Package Pin Layout (Top View)
MS1551-E-00
5
2013//8