TAU1312-datasheet
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TAU1312 Multi-Band GNSS RTK Module
Feature
- Supports GPS, BDS, GLONASS, Galileo, and QZSS
- Compact size for high precision industry
- Integrated Real Time Kinematics (RTK)
- State-of-art low power consumption
- Supports multi-band multi-system high-precision raw data output, easy for 3rd party integration
- Highly integrated module, the best cost-effective high precision GNSS solution
- Compact size 12*16mm
Table 1 TAU1312 P/N
Product photo
Block diagram
Specifications
Table 2
| Parameter | Specifications | ||
|---|---|---|---|
| Constellations | BDS, GPS, QZSS, GLONASS, Galileo, NavIC, SBAS | ||
| Channel | 40 | ||
| Update rates | PVT 10Hz RTK 5Hz Max | ||
| Position accuracy | GNSS | 2.5m CEP | |
| SBAS | ＜1.0m CEP | ||
| RTK | 1.5 cm + 1 ppm (H) 6.5 cm + 1 ppm (V) | ||
| Velocity & Time accuracy | GNSS | 0.1 m/s CEP | |
| 1PPS | 20ns RMS | ||
| TTFF | Hot start | 2s | |
| Cold start | 24s | ||
| RTK | Convergence time | <10s | |
| Reliability | ＞99.9% | ||
| Sensitivity | Cold start | -148 dBm | |
| Hot start | -158 dBm | ||
| Reacquisition | -160 dBm | ||
| Tracking & navigation | -162 dBm | ||
| Protocol | NMEA-0183 V4.00/4.10 | ||
| RTCM 3.X | |||
| Baudrate | 115200 bps, by default | ||
| Operating condition | Main supply | 2.0V to 3.6V | |
| Digital I/O supply | 1.8V to 3.6V | ||
| Backup supply | 1.8V to 3.6V | ||
| Power consumption | Tracking | GNSS | 34 mA @ 3.3V |
| Single system | 22 mA @ 3.3V | ||
| Standby | Data backup | 12 uA | |
| RTC | 1.4 uA | ||
| Serial interface | UART | 1 | |
| SPI | 1 | ||
| I2C | 1 | ||
| Operating limit | Velocity | 515 m/s | |
| Altitude | 18,000m | ||
| Environmental conditions | Operating temp. | -40°C to +85°C | |
| Storage temp. | -40°C to +90°C | ||
| Humidity | 95% RH | ||
| Size | 16.0×12.2×2.4 mm, 24pin LCC | ||
GNSS Reception
Table 3 GNSS reception table
| P/N | OPTIONS | GPS/QZSS | BDS | GLONASS | GALILEO | IRNSS | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L1C/A | L1C | L2C | L5 | L6 | B1I | B1C | B2I | B2a | B3I | L1 | L2 | E1 | E5 | E6 | L5 | ||
| TAU1312-1216A00 | A,L1+L5 | ||||||||||||||||
| B,L1+L2 | |||||||||||||||||
PIN DESCRIPTION
Pin Assignment
Figure 3 Pin assignment (top view)
Detailed Pin Descriptions
Table 4 Detailed pin descriptions
ELECTRICAL CHARACTERISTICS
Absolute Maximum Rating
Table 5 Absolute rating
IO Characteristics
PRRSTX and PRTRG
Table 6 PRRSTX and PRTRG
USB I/O
Table 7 USB signal
Others
Table 8 Others
DC Characteristics
Operating Conditions
Table 9 Operating Conditions
Power Consumption
Table 10 Power consumption
HARDWARE DESCRIPTION
Connecting Power
Power on/off Sequence
Initial system power on
Main power supply off/on in application
Antenna design
Reset and mode control
Default Serial interfaces
Table 11 Default message
5 MECHANICAL SPECIFICATION
Figure 6 Dimensions
Table 12 Dimensions
REFERENCE DESIGN
Minimal design
PCB Footprint Reference
Layout
PRODUCT PACKANG AND HANDLING
Packaging
Packing Notes
Tape and Reel
Shipment Packaging
Storage
ESD Handling Precautions
ESD protection measures
Moisture sensitivity level
The Moisture Sensitivity Level (MSL) of the GNSS module is MSL4.
LABELING AND ORDERING INFORMATION
Labeling
Ordering info
Table 15 P/N