Datasheet

MMA8652FC
Sensors
8 Freescale Semiconductor, Inc.
2.2 Mechanical characteristics
Table 4. Mechanical characteristics at VDD = 2.5 V, VDDIO = 1.8 V, T
A
= 25°C, unless otherwise noted
Parameter Symbol Test Conditions Min Typ Max Unit
Full-Scale measurement range FS
FS[1:0] set to 00
±2 g mode
±2
g
FS[1:0] set to 01
±4 g mode
±4
FS[1:0] set to 10
±8 g mode
±8
Sensitivity So
FS[1:0] set to 00
±2 g mode
1024
LSB/g
FS[1:0] set to 01
±4 g mode
512
FS[1:0] set to 10
±8 g mode
256
Sensitivity accuracy Soa ±2.5 %
Sensitivity change vs. temperature TCS –40°C to 85°C ±0.0074 %/°C
Zero-g level offset accuracy
(1)
TyOff ±25 mg
Zero-g level offset accuracy,
post-board mount
(2)
TyOffPBM ±33.5 mg
Zero-g level change vs. temperature TCO –40°C to 85°C ±0.27 mg/°C
Self-Test output change (±2 g mode) STOC
x+90
LSBy+104
z +782
ODR accuracy ODRa ±3.1 %
Output data bandwidth BW ODR/3 ODR/2 Hz
Output noise RMS Normal mode ODR = 400 Hz 182 µg/√Hz
Operating temperature range T
AGOC
–40 85 °C
1. Before board mount.
2. Post-board mount offset specifications are based on an 8-layer PCB, relative to 25°C.