CMA3000-A0X Series
4
4.1
Application information
Pin Description
CMA3000 pin numbers are presented in Figure 4 below and pin descriptions in Table 4.
Z
X
Y
Figure 3. CMA3000 sensing directions.
Table 4. CMA3000 pin descriptions.
Pin #
1
2
3
4
5
6
7
8
Name
VDD
VSS
VDD
VOUTZ
PD
RANGE
VOUTX
VOUTY
CMA3000-A01
Supply voltage
Ground
Supply voltage
Output voltage Z-channel
Power Down
Acceleration Range
Output voltage X-channel
Output voltage Y-channel
Figure 4. CMA3000 pin numbers.
'0' = Active state
'1' = Power Down
'0' = 8g
'1' = 2g
4.2
Recommended circuit diagram
1. Connect 100 nF SMD capacitor between both supply voltage pins and ground level.
2. Connect 1 µF capacitor between each supply voltage and ground level.
Recommended circuit diagram for the CMA3000 is shown in Figure 5 below.
VDD
1
2
3
VDD
VSS
VDD
VOUTZ
VOUTY
VOUTX
RANGE
PD
8
7
6
5
VOUTY
VOUTX
RANGE
PD
VOUTZ
100n
CL
4
CL
CL
Figure 5. Recommended circuit diagram for CMA3000-A0X
VTI Technologies Oy
www.vti.fi
PRELIMINARY - Subject to changes
Doc.Nr. 8282100.05
7/ 17
Rev.05
VTI [ VTI TECHNOLOGIES ]
