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SMA720 | Central sensor for airbag control units

SMA7xy

Vast field experience gained from hundreds of millions sensors

The SMA720 is a dual channel accelerometer with bi-directional SPI interface. The sensor is intended for airbag systems, providing roll-over information.

Benefits

Complies with AK-LV 27 specification

Robustness against microcuts

Triggerable offset adjustment

RoHS compliant

Developed for systems with requirements up to ASIL D

Target applications

Central sensor in airbag ECUs

技术要求

类型
单轴high-g加速度传感器
封装
SOIC8n
感应轴
X, Z
范围
±128 g (X)
±32 g (Z)
接口
SafeSPI
数据解析
14 bit
灵敏度
64 LSB/g
公差
±5 % (ax),
±7 % (az)
电源电压
3.3, 5 or 6.7 V
电源电流
< 5 mA
工作温度
-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)