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SMA765 | Central sensor for airbag control units

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Vast field experience gained from hundreds of millions sensors

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.

Benefits

Triggerable offset adjustment

RoHS compliant

Developed for systems with requirements up to ASIL D

Target applications

Central sensor in airbag ECUs

Technical Features
Type
Dual axis high-g acceleration sensor
Package
SOIC8n
Sensing axes
X, Y
Range
±240 (ax), ±240 (ay)
Interface
SafeSPI
Data resolution
14 bit
Sensitivity
32 LSB/g
Tolerance
±5 % (ax, ay)
Supply voltage
3.3, 5 or 6.7 V
Supply current
< 5 mA
Operating temperature
-40°C to 125°C
  • Lead-free SOIC8n package: 6.0 mm × 4.9 mm × 1.75 mm (complete sensor)
    Lead-free SOIC8n package: 6.0 mm × 4.9 mm × 1.75 mm (complete sensor)

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