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Three-axis micro-accelerometer
Product Model:
MSA300D
Product Features
● Small in size
●Low noise
● Wide operating temperature range
●Wide frequency response
●Sealed design
●Good stability
Performance Metrics
| Performance Parameters | Unit | MSA300D-05 | MSA300D-15 | MSA300D-30 | MSA300D-50 | MSA300D-100 | MSA300D-200 |
| Range | g | ±5 | ±15 | ±30 | ±50 | ±100 | ±200 |
| Zero bias | mg | ≤20 | ≤50 | ≤50 | ≤50 | ≤50 | ≤50 |
| Scale factor | LSB/g | 149800~150200 | 198,000–202,000 | 98,000–102,000 | 58,000–62,000 | 28,000–32,000 | 13,000–17,000 |
| Zero‑bias linearity | mg | ≤0.1/0.1 | ≤0.3/0.2 | ≤0.4/0.3 | ≤0.5/0.4 | ≤1/0.8 | ≤2/~ |
| Zero bias repeatability | mg | ≤0.1/0.1 | ≤0.3/0.2 | ≤0.4/0.3 | ≤0.5/0.4 | ≤1/0.8 | ≤2/~ |
| Zero‑bias temperature coefficient | mg/°C | ≤0.2 | ≤0.5 | ≤0.5 | ≤0.5 | ≤1.5 | ≤1.5 |
| Scale factor repeatability | ppm | ≤100 | ≤100 | ≤100 | ≤200 | ≤500 | ≤500 |
| Scale factor stability | ppm | ≤100 | ≤100 | ≤100 | ≤200 | ≤500 | ≤500 |
| Temperature coefficient of scale factor | ppm/°C | ≤100 | ≤100 | ≤300 | ≤300 | ≤600 | ≤100 |
| Nonlinear scale factor | %FS | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 |
| Cross-coupling | % | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 |
| Bandwidth | HZ | 5–300 | 5–500 | 5–500 | 5–500 | 5–500 | 5–500 |
| Resolution | mg | ≤0.2 | ≤0.5 | ≤0.5 | ≤0.8 | ≤1 | ≤1.2 |
| External dimensions | mm×mm×mm | 6.0×6.0×1.9 | |||||
| Encapsulation | Ceramic Packaging (LCC16) | ||||||
| Output format | SPI digital output | ||||||
| Operating Voltage Range | V | 4.9–5.1 (typical value: 5) | |||||
| Operating temperature | °C | -45~85 | |||||
| Storage temperature | °C | -55~125 | |||||
Application Fields

● Inertial Measurement: Inertial Guidance, Integrated Navigation, G-Force Measurement
● Tilt Measurement: Antenna Attitude Determination, Platform Measurement, Tilt Angle Testing
● Vibration Measurement: Mechanical Equipment, Bridges and Dams, Safety Testing
Main Dimensions and Interface Definitions

| Pin Number | Definition | Description |
| 1 | GND | Earth |
| 2 | DVD | Chip Digital Power |
| 3 | VDDIO | Chip Digital I/O Power Supply (1.7 V ~ VDD) |
| 4 | SCLK | SPI Clock |
| 5 | DOUT | SPI MISO |
| 6 | DIN | SPI MOSI |
| 7 | SSB | SPI Slave Selection |
| 8 | EN | Chip enable is active high at 5V. |
| 10 | GND | Earth |
| 12 | HVREF | High-Voltage Reference |
| 13 | GND | Earth |
| 14 | ADCREF | ADC Reference Voltage |
| 15 | DVD | Chip Digital Power |
| 9 11 16 | NC | Not connected |
Consultation
For inquiries about products or sales, please contact us.