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Welcome to Willow Technologies / Products / Sensors / Acceleration / MEMS Accelerometers - Overview
MEMS Accelerometers - Overview

MEMS Accelerometers Product Overview

KXTJ2-MEMS-Accelerometer-for-GPS MEMS Accelerometers with embedded algorithms provide industry-leading high performance in automotive, consumer electronics, health & fitness and industrial applications. Willow provides 1, 2 & 3-Axis MEMS Accelerometers with G ranges from ±0.85g to ±96g. MEMS Accelerometers are a key component in modern electronic equipment, available with analogue and / or digital outputs I2C / SPI (up to 16 bit resolution) in packages as small as 2 x 2 x 0.9mm.
KX003
KX003
Applications
Remote controls, toys, beacons, laptops, accessories
Features
Extended 16g-range, High resolution wake up, Alternative pin out
Series
Axis
Output
Range
Sensitivity
Bandwidth
(Hz)
Noise
Supply
Voltage (V)
Size
Op.
Temp ºC
Wake up
Eval Board
Dev. Tools
XYZ
Digital I2C
User-selectable ±2g, ±4g, ±8g, ±16g
1024 (14-bit), 64, 32, 16 (8-bit), 1024, 512, 256 (12-bit), (counts/g)
ODR / 2 (-3dB) User Selectable
0.7mg
1.71 – 3.6
2 x 2 x 0.9mm LGA
12-pin
-40 to +85
Yes
KX022
1187
XYZ
Digital SPI / I2C
User-selectable ±2g, ±4g, ±8g
16384, 8192, 4096 (16-bit), (counts/g)
800 (-3dB) User Selectable
Dependent on
ODR & Res
0.75mg
1.8-3.6
2 x 2 x 0.9mm LGA
12-pin
-40 to +85
Yes
XYZ
Digital SPI / I2C
User-selectable ±2g, ±4g, ±8g
16384, 8192, 4096 (16-bit), (counts/g)
800 (-3dB) User Selectable
Dependent on
ODR & Res
0.75mg
1.8-3.6
3 x 3 x 0.9mm LGA
16-pin
-40 to +85
Yes
XYZ
Digital SPI / I2C
User-selectable ±2g, ±4g, ±8g
16384, 8192, 4096 (16-bit), (counts/g)
800 (-3dB) User Selectable
Dependent on
ODR & Res
130 µg/√Hz
1.8-3.6
2 x 2 x 0.6mm LGA
12-pin
-40 to +85
Yes
XYZ
Digital SPI / I2C
User-selectable ±2g, ±4g, ±8g
16384, 8192, 4096 (16-bit), (counts/g)
130µg/√Hz
1.71-3.6
2 x 2 x 0.6mm LGA
12-pin
-40 to +85
Yes
XYZ
Digital SPI / I2C
User-selectable ±2g, ±4g, ±8g
16384, 8192, 4096 (16-bit), (counts/g)
800 (-3dB) User Selectable
Dependent on
ODR & Res
130µg/√Hz
1.8-3.6
2 x 2 x 0.9mm LGA
12-pin
-40 to +85
Yes
XYZ
Digital SPI / I2C
User-selectable ±2g, ±4g, ±8g
16384, 8192, 4096 (16-bit), (counts/g)
800 (-3dB) User Selectable
Dependent on
ODR & Res
130 µg/√Hz
1.71-3.6
3 x 3 x 0.9mm LGA
16-pin
-40 to +85
Yes
XYZ
Digital SPI / I2C
User-selectable ±2g, ±4g, ±8g
16384, 8192, 4096 (16-bit), (counts/g)
800 (-3dB) User Selectable
Dependent on
ODR & Res
130µg/√Hz
1.71-3.6
3 x 3 x 0.9mm LGA
16-pin
-40 to +85
Yes
XYZ
up to 25600Hz
User-selectable ±2g, ±4g, ±8g
16384, 8192, 4096 (16-bit), (counts/g)
800 (-3dB) User Selectable
Dependent on
ODR & Res
130 µg/√Hz
1.71-3.6
2 x 2 x 0.9mm LGA
12-pin
-40 to +85
Yes
XYZ
up to 25600Hz
User-selectable ±2g, ±4g, ±8g
16384, 8192, 4096 (16-bit), (counts/g)
130 µg/√Hz
1.71-3.6
2 x 2 x 0.9mm LGA
12-pin
-40 to +85
Yes
XYZ
Analogue
 Factory Programmable ±4g to ±40g
33 or 66 (mV/g)
(-3dB) up to 8
675 µg/√Hz
1.8 to 3.6
3 x 3 x 0.9mm LGA
10-pin
-40 to +85
No
XYZ
Digital SPI / I2C
User-selectable ±8g, ±16g, ±32g
4096, 2018, 1024 (16-bit), (counts/g)
800 (-3dB) User Selectable
Dependent on
ODR & Res
630 µg/√Hz
1.71-3.6
2 x 2 x 0.9mm LGA
12-pin
-40 to +85
Yes
XYZ
Digital SPI / I2C
User-selectable ±8g, ±16g, ±32g
4096, 2018, 1024 (16-bit), (counts/g)
800 (-3dB) User Selectable
Dependent on
ODR & Res
630 µg/√Hz
1.71-3.6
3 x 3 x 0.9mm LGA
16-pin
-40 to +85
Yes
KXCJ9
238
XYZ
Digital (I2C)
User-selectable ±2g, ±4g, ±8g, ±16g
64, 32, 16 (8-bit).
1024, 512, 256 (12-bit)
1024 (14-bit - ±8g only)
counts/g user selectable
800 (-3dB) User Selectable
Dependent on
ODR & Res
Contact Willow
1.8-3.6
3 x 3 x 0.9 mm LGA
10 Pin
-40 to +85
Yes
XYZ
Digital (I2C)
User-selectable ±4g to ±16g
1024 (14-bit), 64, 32, 16 (8-bit), 1024, 512, 256 (12-bit), (counts/g)
800 or ODR/2 (-3dB) Current varies with ODR
Contact Willow
1.8-3.6
3 x 3 x 0.7mm LGA
10-pin
-40 to +85
Yes
XYZ
Digital I2C
User-selectable ±2g, ±4g, ±8g
64, 32, 16 (8-bit).
1024, 512, 256 (12-bit)
1024 (14-bit)
800 (-3dB) User Selectable
Dependent on
ODR & Res
Contact Willow
1.8-3.6
3 x 3 x 0.45mm LGA
10-pin
-40 to +85
Yes
XYZ
Digital (I2C)
User-selectable ±2g, ±4g, ±8g
64, 32, 16 (8-bit).
1024, 512, 256 (12-bit)
1024 (14-bit - ±8g only)
counts/g user selectable
800 or ODR/2 (-3dB) Typical User Selectable
Contact Willow
1.8-3.6
3 x 3 x 0.9mm LGA
16-pin
-40 to +85
Yes
XYZ
Digital (I2C)
User-selectable ±2g, ±4g, ±6g, ±8g
1024, 512, 341, 256 (12-bit)
ODR / 2 (-3dB)
-40
μg min
+40 μg max
1.8-3.6
3 x 3 x 0.9mm LGA
16-pin
-40 to +85
No
KXD94
310
XYZ
Multiplexed Analogue
Factory programmable ±5g-±15g
Factory programmable
400-133 mV/g
800 typical -3dB Internal
1KHz low pass filter. Lower
frequencies user definable
with external capacitors
100 ≤G/≤HZ
Factory programmable 2.5-5.25
5 x 5 x 1.2 mm DFN
14 Pin
-40 to +85 (Consumer / Industrial)
-40 to +125 (Automotive)
No
KXR94
299
XYZ
Multiplexed Analogue or Digital (SPI)
Factory programmable ±1.0g - ±4g
Factory programmable 1320-264 mV/g
1638-479 counts/g
800 -3db Internal low pass
filter. Lower frequencies
user definable
with external capacitors
45
μg/√Hz
typical
Factory programmable 2.5-5.25
5 x 5 x 1.2 mm DFN
14 Pin
-40 to +85
(Consumer / Industrial)
-40 to +125
(Automotive)
No
KXSS5
267
XYZ
Digital (I2C or SPI) and Analogue
Factory programmable ±2.5g to ±8g
Factory programmable
655-205 mV/g
1000 -3db Internal 1kHz low
pass filter. Lower frequencies
are user definable with
external capacitors
175
μg/√Hz
typical
Factory programmable 1.8-5.25
3 x 5 x 0.9 mm LGA
14 Pin
-40 to +85
No
XYZ
Analogue
±2.86g - 4g
462 typical mV/g
Factory Programmable
-3dB
No low pass
130
μg/√Hz
1.8 - 3.6
4 x 4 x 1.3mm LGA
16 Pin
-40 to +85
No
KXTC9
286
XYZ
Analogue
Factory programmable ±1.5g - ±6g
Factory programmable
880-220 mV/g
LPF - 50 default, 100, 500,
1000, 2000, no filter
(available settings)
user programmable
125
μg/√Hz
typical
on filter
pins
Factory programmable 1.8-3.6
3 x 3 x 0.9 mm LGA
10 Pin
-40 to 85
No
XYZ
Digital (I2C)
±2g
16 counts/g
Contact Willow
Contact Willow
Factory programmable 1.8-3.6
3 x 3 x 0.9 mm LGA
10 Pin
-40 to +85
No
KXTF9
251
XYZ
Digital (I2C)
User-selectable ±2g, ±4g, ±8g
64, 32, 16 (8-bit).
1024, 512, 256 (12-bit)
counts/g
user selectable
ODR / 2 Typical
dependent on
ODR and 8-bit or 12 bit
resolution (Hz)
Contact Willow
Factory programmable 1.8-3.6
3 x 3 x 0.9 mm LGA
10 Pin
-40 to +85
Yes
KXTH9
248
XYZ
Multiplexed Analogue
Factory programmable ±1.5-±6g
Factory programmable
667-167 mV/g
50 typical operating -3dB
Factory programmable
internal low pass filter
150
μg/√Hz
typical
Factory programmable 1.8-3.6
3 x 3 x 0.9 mm LGA
10 Pin
-40 to +85
No
KXTI9
243
XYZ
Digital (I2C)
User-selectable ±2g, ±4g, ±8g
64, 32, 16 (8-bit).
1024, 512, 256 (12-bit)
counts/g
user selectable
1590 User Selectable
dependent on ODR &
8-bit or 12-bit resolution
Contact Willow
1.8-3.6
3 x 3 x 0.9 mm LGA
10 Pin
-40 to +85
Yes
KXTIA
246
XYZ
Digital (SPI)
User-selectable ±2g, ±4g, ±8g
64, 32, 16 (8-bit).
1024, 512, 256 (12-bit)
counts/g
user selectable
1590 Dependent on
ODR & 8-bit or 12-bit
resolution
Contact Willow
1.8-3.6
3 x 3 x 0.9 mm LGA
10 Pin
-40 to +85
Yes
KXTIK
320
XYZ
Digital (I2C)
User-selectable ±2g, ±4g, ±8g
64,32,16 (8-bit)
1024, 512, 256 (12-bit)
(counts/g)
1590 (-3dB) User Selectable
Dependent on
ODR & Res
Contact Willow
1.8-3.6
3 x 3 x 0.9 mm LGA
16 Pin
-40 to +85
Yes
XYZ
Digital (I2C)
User-selectable ±2g, ±4g, ±8g, ±16g
64, 32, 16 (8-bit).
1024, 512, 256 (12-bit)
1024 (14-bit - ±8g only)
counts/g user selectable
800 (-3dB) User Selectable
Dependent on
ODR & Res
150 μg / √Hz typical
1.71-3.6
2 x 2 x 0.9 mm LGA
12 Pin
-40 to +85
Yes
KXTJ9
347
XYZ
Digital (I2C)
User-selectable ±2g, ±4g, ±8g
64, 32, 16 (8-bit).
1024, 512, 256 (12-bit)
1024 (14-bit - ±8g only)
counts/g user selectable
800 (-3dB) User Selectable
Dependent on
ODR & Res
275
μg/√Hz
ODR
=50Hz
12 bit
mode
1.8-3.6
3 x 3 x 0.9 mm LGA
10 Pin
-40 to +85
Yes
XYZ
Digital (I2C or SPI)
User-selectable ±2g, ±4g, ±6g, ±8g
819, 410, 273, 205
counts/g
user selectable
Either factory programmed to
2KHz, 1KHz, 500Hz, 100Hz,
50Hz or no filter. Alternatively,
user defined in CTRL_REGC.
750
μg/√Hz
typical
Factory programmable 1.8-3.6
3 x 3 x 0.9 mm LGA
10 Pin
-40 to +85
No
XY
Analogue & Digital (SPI)
± 0.85 to 96
33,500 lsb/g to 320 lsb/g
1,150mV/g to 10mV/g
>170Hz
≤50 to 1,000 μg/√Hz Typical
2.7 to 3.6
10.4 x 6.0 x 2.2mm
-40 to +125
No
XY
Analogue & Digital (SPI)
± 0.85
33,500 lsb/g
1,150mV/g
>170Hz
≤50 μg/√Hz Typical
2.7 to 3.6
10.4 x 6.0 x 2.2mm
-40 to +125
No
XY
Analogue & Digital (SPI)
± 2.5
11,000 lsb/g
375mV/g
>170Hz
≤150 μg/√Hz Typical
2.7 to 3.6
10.4 x 6.0 x 2.2mm
-40 to +125
No
XY
Analogue & Digital (SPI)
± 10
2,800 lsb/g
96mV/g
>170Hz
≤150 μg/√Hz Typical
2.7 to 3.6
10.4 x 6.0 x 2.2mm
-40 to +125
No
XY
Analogue & Digital (SPI)
± 30
1,050 lsb/g
36mV/g
>170Hz
≤350 μg/√Hz Typical
2.7 to 3.6
10.4 x 6.0 x 2.2mm
-40 to +125
No
XY
Analogue & Digital (SPI)
± 96
320 lsb/g
10mV/g
>170Hz
≤1,000 μg/√Hz Typical
2.7 to 3.6
10.4 x 6.0 x 2.2mm
-40 to +125
No
± 0.85 to 96
≤50 to 1,200 μg/√Hz
3.3
-40 to +125
No
XY
± 0.85
Typical 170Hz digital, 250Hz analogue
≤50 μg/√Hz Typical
3.3
10.4 x 6.0 x 2.7H
-40 to +125
No
XY
± 2.5
Typical 170Hz digital, 250Hz analogue
≤150 μg/√Hz Typical
3.3
10.4 x 6.0 x 2.7H
-40 to +125
No
XY
± 10
Typical 170Hz digital, 250Hz analogue
≤150 μg/√Hz Typical
3.3
10.4 x 6.0 x 2.7H
-40 to +125
No
XY
± 30
Typical 170Hz digital, 250Hz analogue
≤350 μg/√Hz Typical
3.3
10.4 x 6.0 x 2.7H
-40 to +125
No
XY
± 96
Typical 170Hz digital, 250Hz analogue
≤1200 μg/√Hz Typical
3.3
10.4 x 6.0 x 2.7H
-40 to +125
No
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