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Telephone:+86-311-83933866
E-mail:jl.dong@mtmems.com
Address:No.1, Meitai Road, Luquan District, Shijiazhuang City
MEMS Airbag Collision – Central Acceleration Sensor
Product Features
● High reliability
● Power-on self-test
● Automatic zero-offset correction
● SafeSPI communication interface
● SOIC 8-pin package
● Complies with ISO26262 ASIL D standard
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Product Classification:
Performance metrics
Test conditions (unless otherwise specified): Room temperature, 6.7 V
| Parameter | Typical value | Unit |
| Sensitive axial | XY | |
| Measurement range | ±120 | g |
| Nominal Sensitivity (0 Hz)*1 | 16 | LSB/g |
| Data accuracy | 12 | Bit |
| Nonlinear | ±2 | %F.S. |
| Cross-coupling | ±1 | % |
| Zero bias | ±0.5 | LSB |
| Accuracy | ±5 | % |
| Bandwidth | 426 | Hertz |
| Noise | 200 | mgRMS |
| Environmental operating temperature | -40~+125 | Celsius |
| Impact | >10,000 (half-sine, 0.07 ms) | g |
| ESD (HBM Model) | 2000 | V |
| Power supply voltage | 3.3/6.7 | V |
| Operating current | Less than 6 | mA |
Application areas
● Inertial Navigation: Automotive Airbags
Main dimensions and interface definitions
| Pin number | Name | Description |
| 1 | VDD | Power supply voltage (3.3V/6.7V) |
| 2 | VDDI | Internal voltage regulation |
| 3 | ARMING | Instruction pin |
| 4 | GND | Earth |
| 5 | SO | Signal output |
| 6 | SI | Signal input |
| 7 | SCK | Clock signal |
| 8 | CSB | Chip select |
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Address
No.1, Meitai Road, Luquan District, Shijiazhuang City
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