SMA765
Central sensor for airbag control units
Application & Technical Summary
The SMA765 is a dual-channel, high-g accelerometer with a bi-directional SPI interface, designed for airbag systems to provide crash information and verify satellite sensor readings.
Product benefits
- Triggerable offset adjustment
- RoHS compliant
- Developed for systems with requirements up to ASIL D
Target application
- Central sensor in airbag ECUs
vast field experience
gained from hundreds of millions sensors is the fundament of the SMA7xy
Technical Features
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Type
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Dual axis high-g acceleration sensor
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Package
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SOIC8n
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Sensing axes
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X, Y
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Range
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±240g (ax), ±240g (ay)
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Interface
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SafeSPI
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Data resolution
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14 bit
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Sensitivity
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32 LSB/g
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Tolerance
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±5 % (ax, ay)
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Supply voltage
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3.3, 5 or 6.7 V
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Supply current
|
< 5 mA
|
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Operating temperature
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-40°C to 125°C
|
-
Lead-free SOIC8n package: 6.0 mm × 4.9 mm × 1.75 mm (complete sensor)
