V DD
g-Select
OSCILLATOR
CLOCK
GEN
X-TEMP
COMP
X OUT
Sleep
Self Test
G-CELL
SENSOR
C to V
CONVERTER
SELFTEST
GAIN
+
FILTER
CONTROL LOGIC
NVM TRIM
CIRCUITS
Y-TEMP
COMP
Z-TEMP
COMP
Y OUT
Z OUT
V SS
Figure 2. Simplified Accelerometer Functional Block Diagram
Table 1. Maximum Ratings
(Maximum ratings are the limits to which the device can be exposed without causing permanent damage.)
Rating
Maximum Acceleration (all axis)
Supply Voltage
Symbol
g max
V DD
Value
±5000
-0.3 to +3.6
Unit
g
V
Drop Test
(1)
D drop
1.8
m
Storage Temperature Range
T stg
-40 to +125
° C
1. Dropped onto concrete surface from any axis.
ELECTRO STATIC DISCHARGE (ESD)
WARNING: This device is sensitive to electrostatic
discharge.
Although the Freescale accelerometer contains internal
2000 V ESD protection circuitry, extra precaution must be
taken by the user to protect the chip from ESD. A charge of
over 2000 volts can accumulate on the human body or
alter the performance or cause failure of the chip. When
handling the accelerometer, proper ESD precautions should
be followed to avoid exposing the device to discharges which
may be detrimental to its performance.
associated test equipment. A charge of this magnitude can
MMA7341LC
Sensors
2
Freescale Semiconductor
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