CMA3000-D01
Data Sheet
CMA3000-D01 3-AXIS ULTRA LOW POWER ACCELEROMETER WITH
DIGITAL SPI AND I 2 C INTERFACE
Features
? 1.7 V – 3.6 V supply voltage
? SPI and I 2 C digital interface
? User selectable
? ± 2 g and ± 8 g measurement ranges
? sample rate & frequency response
? Ultra low current consumption
? ≤ 70 uA with 100/400 Hz sample rate
? ≤ 11 uA with 40/10Hz sample rate
? Interrupt signal triggered by data ready,
motion and free fall
Applications
CMA3000-D01 is targeted to battery operated
devices. Typical applications are but not limited
? Gaming input devices
? Computer peripherals
? Free fall detection
? Activity monitoring
?
?
?
?
Size 2x2x0.95 mm3
Proven capacitive 3D-MEMS technology
High shock durability
RoHS compliant / lead free soldering
Low-pass
SCK/SCL
Analog
Filter
C/V
calibration
DE-
SPI
MISO
&
ADC
MUX
1:3
Low-pass
Filter
&
I2C
i/f
MOSI/SDA
Low-pass
Filter
CSB
Oscillator
&
Reference
Non-
Volatile
Motion
detector
Free fall
detector
Control
&
INT
clock
Figure 1. CMA3000-D01 Block Diagram.
Murata Electronics Oy
Memory
INT
1/4
www.muratamems.fi
Doc. Nr. 8277800A.04
Rev. A.04
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