Single-Axis Quartz MEMS Accelerometer (±40 g, Digital)
Quartz MEMS Accelerometer · BJTB20CJ01
Single-axis quartz MEMS accelerometer with a ±40 g measurement range, digital output, and bias instability of ≤0.05 mg (Allan deviation). 10 × 10 × 3 mm and ≤1.5 g in an LCC ceramic package, ≤10 mA at 5 V, −45 °C to +80 °C operation.
Power Supply Voltage
5 ± 0.2 V
Operating Current
≤10 mA
Weight
≤1.5 g
The BJTB20CJ01 is a single-axis quartz MEMS accelerometer designed for high-reliability inertial measurement applications. It features a self-developed flexible quartz MEMS sensing structure, low power consumption, compact size, and robust digital output. The device is encapsulated using an LCC ceramic package and is fully localized and independently controllable. Precision calibration ensures stable performance under various conditions.
Key Features
- Self-developed flexible quartz MEMS sensing structure
- Full digital output
- Compact and lightweight (10 × 10 × 3 mm, ≤1.5 g)
- Low power consumption (≤10 mA)
- High reliability and robust performance
- Wide operating temperature range (-45°C to +80°C)
- Precision calibration for stable output
Applications
Technical Specifications
Performance Specifications
- Power Supply Voltage
- 5 ± 0.2 V
- Operating Current
- ≤10 mA
- Weight
- ≤1.5 g
- Outline Dimensions
- 10 × 10 × 3 mm
- Initialization Time
- ≤1 s
- Measurement Range
- ±40 g
- Scale Factor
- - 1 / ±0.005
- Scale Factor Nonlinearity
- ≤300 ppm
- Scale Factor Repeatability
- ≤300 ppm
- Scale Factor Temperature Coefficient
- ≤10 ppm/°C
- Threshold Resolution
- 0.01 mg
- Bias (Full Temperature Range)
- ≤1 mg
- Bias Instability (Allan Deviation)
- ≤0.05 mg
- Bias Stability
- ≤0.1 mg
- Bias Repeatability
- ≤0.3 mg
- Velocity Random Walk
- ≤0.1 m/s/√Hz
- Bandwidth
- ≥150 Hz
Environmental Adaptability
- Vibration Resistance (6.06g RMS @ 20Hz~2000Hz)
- ≤2 mg
- Half-Sine Shock (200g @ 6ms)
- ≤5 mg
- Operating Temperature Range
- -45 ~ +80 ℃
- Storage Temperature Range
- -50 ~ +85 ℃
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