Product Overview
The NavChip Series 3 is a high-precision MEMS 6-axis inertial measurement unit (IMU) designed for embedded applications requiring small size, low cost, and low power consumption. Utilizing proprietary MEMS technologies and advanced signal processing, it offers superior performance, miniaturization, and environmental ruggedness. The unit is fully factory-calibrated and temperature-compensated across an operating range of -40C to +85C, providing compensated and V outputs. It supports multiple data interfaces (UART, SPI, I2C) with selectable output data types and rates up to 1000 Hz.
Product Attributes
- Brand: Thales Defense & Security Inc.
- Product Name: NavChip Series 3
- Product Type: Precision 6-Axis MEMS Inertial Measurement Unit
- Certifications: RoHS Compliant
Technical Specifications
| Parameter | Typical | Maximum | Units | Notes |
| Gyroscope Performance | ||||
| Full Scale Range | 2000 | /s | ||
| In-Run Bias Stability (Allan Variance), Class A | 4 | 5 | /hr | |
| In-Run Bias Stability (Allan Variance), Class B | 5 | 10 | /hr | |
| Bias Accuracy over Operating Temp Range, Class A | 0.2 | 0.3 | /s | |
| Bias Accuracy over Operating Temp Range, Class B | 0.2 | 0.4 | /s | |
| g Sensitive Bias | 0.004 | 0.03 | /s/g | |
| Scale Factor Accuracy over Operating Temp Range | 0.05 | 0.4 | % | |
| Scale Factor Linearity | 0.01 | 0.05 | % | Factory test up to 810 /s |
| Angle Random Walk | 0.18 | 0.3 | /hr | |
| Axis Mutual Alignment Accuracy | 0.03 | 0.2 | degrees | |
| Accelerometer Performance | ||||
| Full Scale Range | 16 | g | ||
| In-Run Bias Stability (Allan Variance), Class A | 0.006 | 0.01 | mg | |
| In-Run Bias Stability (Allan Variance), Class B | 0.04 | 0.1 | mg | |
| Bias Accuracy over Operating Temp Range | 3 | 15 | mg | |
| Scale Factor Accuracy over Operating Temp Range | 0.09 | 0.2 | % | |
| Scale Factor Linearity | 0.06 | 0.2 | % | Factory test over 1g |
| Velocity Random Walk, Class A | 0.02 | 0.02 | m/s/hr | |
| Velocity Random Walk, Class B | 0.03 | 0.05 | m/s/hr | |
| Axis Mutual Alignment Accuracy | 0.03 | 0.2 | degrees | |
| Digital Inputs/Outputs | ||||
| Logic 0 Input Voltage | 0 | 0.6 | V | |
| Logic 1 Input Voltage | 2.1 | 3 | V | |
| Logic 0 Output Voltage | - | 0.4 | V | |
| Logic 1 Output Voltage | 2.4 | 3 | V | |
| Input Capacitance | - | 10 | pF | |
| Temperature Sensor Performance | ||||
| Temperature Sensing Range | -40 | +85 | C | |
| Resolution | - | 0.05 | C | |
| Accuracy | 2.5 | 3.5 | C | |
| Repeatability | 0.5 | - | C | |
| Timing | ||||
| Power-on Startup (including 0.5s bootloader timeout) | < 1.0 | Seconds | ||
| Built In Test Time (commanded TBIT) | < 2.0 | Seconds | ||
| Physical | ||||
| Size (W x L x H) | 12.5 x 24.5 x 6.1 | mm | Including interconnect stack height | |
| Weight | 3 | grams | ||
| Electrical | ||||
| Supply Voltage Range (Vdd) | 3.25 | 5.5 | V | |
| Supply Current (Idd) after startup | 40 | mA | ||
| UART Interface | ||||
| Baud rate | 38,400 | 921,600 | Bits per second | Selectable |
| Baud rate deviation from nominal | -1.5 | 1.5 | % | 0.2 typical |
2504101957_THALES-V15206-17-01_C1526895.pdf
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