Table 2. Mechanical Characteristics @ VDD = 2.5V, VDDIO = 1.8V, T = 25°C unless otherwise noted .
FS[1:0] set to 00
2g Mode
Sensitivity Change vs. Temperature
FS[1:0] set to 01
4g Mode
TCSo
±0.008
%/°C
FS[1:0] set to 10
8g Mode
Zero-g Level Offset Accuracy (3)
Zero-g Level Offset Accuracy Post Board Mount (4)
Zero-g Level Change vs. Temperature
FS[1:0] 2g, 4g, 8g
FS[1:0] 2g, 4g, 8g
-40°C to 85°C
TyOff
TyOffPBM
TCOff
±20
±30
±0.15
mg
mg
mg/°C
Self-test Output Change (5)
X
Y
FS[1:0] set to 00
4g Mode
Vst
+11
+16
LSB
Z
+105
ODR Accuracy
2 MHz Clock
±2
%
Output Data Bandwidth
BW
ODR/3
ODR/2
Hz
Output Noise
Output Noise Low Noise Mode (1)
Normal Mode ODR = 400 Hz
Normal Mode ODR = 400 Hz
Noise
Noise
126
99
μg/ √ Hz
μg/ √ Hz
Operating Temperature Range
Top
-40
+85
°C
1. Dynamic Range is limited to 4g when the Low Noise bit in Register 0x2A, bit 2 is set.
2. Sensitivity remains in spec as stated, but changing oversampling mode to Low Power causes 3% sensitivity shift. This behavior is also seen
when changing from 800 Hz to any other data rate in the Normal, Low Noise + Low Power or High Resolution mode.
3. Before board mount.
4. Post Board Mount Offset Specifications are based on an 8 Layer PCB, relative to 25°C .
5. Self-test is one direction only.
MMA8453Q
Sensors
6
Freescale Semiconductor, Inc.
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