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Automotive Electronics Semiconductors and sensors Product ...

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10 | Components for airbag systems<br />

safe<br />

SMD187<br />

Airbag systems:<br />

Pressure <strong>sensors</strong><br />

Piezo-resistive pressure sensor designed for mounting in a peripheral sensor housing<br />

Application <strong>Product</strong> Range Output Sensitivity<br />

Dp/p [LSB/%]<br />

Pressure sensor<br />

for occupant<br />

protection SMD187<br />

Absolute pressure<br />

measurement range:<br />

p_abs 50 kPa…126.5 kPa<br />

Relative pressure p_rel<br />

measurement range with<br />

ref. to p_abs: -5 %…+15 %<br />

PSI5, 10 bit<br />

Resolution abs. pressure p_abs:<br />

12 bit (mapped into 10 bit words)<br />

Resolution of relative pressure:<br />

10 bit 20.48<br />

p_abs: 3.5 kPa (4.58 % of FS)<br />

Tolerance V DD typ.<br />

[V]<br />

T min<br />

[°C]<br />

T max<br />

[°C]<br />

p_rel: 5 % (for p_abs ≥ 70 kPa),<br />

6 % (for p_abs < 70 kPa) 6.9 -40 125<br />

Package<br />

Mold-Premold<br />

(MPM) SOIC16

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