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LIS302SG

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LIS302SG Mechanical and electrical specifications
7/19
2 Mechanical and electrical specifications
2.1 Mechanical characteristics
Table 3. Mechanical characteristics @ Vdd =3.3 V, T = 25 °C unless otherwise noted
(1)
Symbol Parameter Test condition Min. Typ.
(2)
Max. Unit
Ar Acceleration range
(3)
±2.0 g
So Sensitivity
(4)
0.145*Vdd
–5%
0.145*Vdd
0.145*Vdd
+ 5%
V/g
SoDr
Sensitivity change vs.
temperature
Delta from +25 °C ±0.01 %/°C
Voff Zero-g level
(4)
T = 25 °C Vdd/2-6% Vdd/2 Vdd/2+6% V
OffDr
Zero-g level change
vs temperature
Delta from +25 °C ±0.5 mg/°C
NL Non linearity
(5)
Best fit straight line ±0.5 % FS
CrossAx Cross-axis
(6)
±2 %
An
Acceleration noise
density
Vdd=3.3 V 200 µg/
Vt
Self-test output
voltage change
(7),(8)
T = 25 °C
Vdd=3.3 V
X axis
+95 +200 mV
T = 25 °C
Vdd=3.3 V
Y axis
+95 +200 mV
T = 25 °C
Vdd=3.3 V
Z axis
+95 +200 mV
Fres
Sensing element
resonant frequency
(9)
all axes 2.0 kHz
Top
Operating
temperature range
-40 +85 °C
Wh Product weight 30 mgram
1. The product is factory calibrated at 3.3 V. The operational power supply range is specified in Table 4. Since the device is
ratiometric Voff, So and Vt parameters will vary with supply voltage.
2. Typical specifications are not guaranteed
3. Guaranteed by wafer level test and measurement of initial offset and sensitivity
4. Zero-g level and sensitivity are ratiometric to supply voltage
5. Guaranteed by design
6. Contribution to the measuring output of an inclination/acceleration along any perpendicular axis
7. “Self-test output voltage change” is defined as Vout
(Vst=logic 1)
-Vout
(Vst=logic 0)
8. “Self-test output voltage change” varies cubically with supply voltage
9. Minimum resonance frequency Fres=2.0 kHz. Sensor bandwidth=1/(2*π*32kΩ*Cload), with Cload>2.5 nF
Hz
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Mechanical and electrical specifications LIS302SG
8/19
2.2 Electrical characteristics
Table 4. Electrical characteristics @ Vdd =3.3 V, T=25 °C unless otherwise noted
(1)
1. The product is factory calibrated at 3.3 V.
Symbol Parameter Test condition Min. Typ.
(2)
2. Typical specifications are not guaranteed
Max. Unit
Vdd Supply voltage 3.0 3.3 3.6 V
Idd Supply current
Mean value
PD pin connected to GND
0.65 mA
IddPdn
Supply current in
power-down mode
PD pin connected to Vdd 1 µA
Vst Self-test input
Logic 0 level at Vdd=3.3 V 0 0.2*Vdd V
Logic 1 level at Vdd=3.3 V 0.8*Vdd Vdd V
Rout
Output impedance of
Voutx, Vouty, Voutz
32 kΩ
Cload
Capacitive load drive
for Voutx, Vouty,
Voutz
(3)
3. Minimum resonance frequency Fres=2.0 kHz. Device bandwidth=1/(2*π*32kΩ*Cload), with Cload>2.5 nF
2.5 nF
Vs0 S0 Input
Logic 0 level at Vdd=3.3 V 0 0.2*Vdd V
Logic 1 level at Vdd=3.3 V 0.8*Vdd Vdd V
Vs1 S1 input
Logic 0 level at Vdd=3.3 V 0 0.2*Vdd V
Logic 1 level at Vdd=3.3 V 0.8*Vdd Vdd V
Rmux
Series resistance of
multiplexer input vs.
Vout
1
k
Ω
Cloadmux
Capacitive load drive
for multiplexed output
Vout
10 pF
To n
Turn-on time
at exit from
power-down mode
Cload in µF 160*Cload+0.3 ms
To p
Operating
temperature range
-40 +85 °C
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LIS302SG Mechanical and electrical specifications
9/19
2.3 Absolute maximum ratings
Stresses above those listed as “absolute maximum ratings” may cause permanent damage
to the device. This is a stress rating only and functional operation of the device under these
conditions is not implied. Exposure to maximum rating conditions for extended periods may
affect device reliability.
Table 5. Absolute maximum ratings
Symbol Ratings Maximum value Unit
Vdd Supply voltage -0.3 to 6 V
Vin Input voltage on any control pin (PD, ST, S0, S1) -0.3 to Vdd +0.3 V
V
Aux_in
Aux_in input voltage -0.3 to Vdd +0.3 V
A
POW
Acceleration (any axis, powered, Vdd=3.3 V)
3000 g for 0.5 ms
10000 g for 0.1 ms
A
UNP
Acceleration (any axis, not powered)
3000 g for 0.5 ms
10000 g for 0.1 ms
T
STG
Storage temperature range -40 to +150 °C
ESD Electrostatic discharge protection
2 (HBM) KV
1.5 (CDM) KV
200 (MM) V
This is a Mechanical Shock sensitive device, improper handling can cause
permanent damages to the part
This is an ESD sensitive device, improper handling can cause permanent damages to
the part
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LIS302SG

Mfr. #:
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Manufacturer:
STMicroelectronics
Description:
Accelerometers MEMS MOTION SENSOR 3 AXIS +/-2g Piccolo
Lifecycle:
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