RB-2217A
Описание продукции
Enhanced ANTARIS4 GPS Module with ultra high sensitivity and antenna open/short detection/protection
Характер продукта
- 16 channel ANTARIS4 positioning engine
- Ultra high sensitivity to -158 dBm
- Supports DGPS, WAAS, EGNOS and MSAS
- Support 1 USB and 1 USART ports
- Customized and configurable serial I/O architecture (using on-board EEPROM)
- Support 4 Hz position update rate capability (using on-board EEPROM)
- Support power saving modes (using on-board EEPROM)
- Support external interrupt pin (wake up) in power saving mode
- Antenna short/open circuit detection and protection
- Ultra low power consumption 45mA
- 5 µA backup current
- Low position/velocity drift in static mode
- Small form factor 22.4 x 17.0 mm with SMT pads (micro package)
- RoHS compliant (lead-free)
Block diagram (RB2217A GPS module)
Технические характеристики
| Electrical Characteristics | ||
|---|---|---|
| Chipset | Atr0635 | ATMEL ANTARIS4 GPS chipset family (ARM7tdMI Thumb processor core embedded) |
| General | Frequency | L1, 1575.42MHz |
| Channels, C/A code | 16, 1.023 MHz chip rate, 8192 time/frequency search windows | |
| Accuracy | Position | 2.5 meters CEP |
| Time | 50 nanosecond rms (1 PPS) | |
| DGPS Accuracy | Position | 2.0 meters CEP |
| Acquisition Rate | Reacquisition | < 1 sec, typical |
| Cold start | 34 sec, typical | |
| Warm start | 33 sec, typical | |
| Hot start | 3.5 sec, typical | |
| Sensitivity | tracking | -158dBm |
| Acquisition/Reacquisition | -148dBm | |
| Cold start | -142dBm | |
| Dynamic Condition | Altitude | 18,000 meters (60,000 Feet) max. |
| Velocity | 515 meters /sec (1000 Knots) max. | |
| Power | Main Power | 3.3 VDC typical |
| Supply current | 45 mA | |
| 80uA in “power saving” mode, (using on-board EEPROM). | ||
| Backup power | 1.5 ~ 3.6V | |
| Backup current | 5µA typical | |
| Serial Port | Electrical interface | USART, USB |
| Protocols | NMEA, UBX (ublox proprietary), RTCM | |
| Default I/O configuration 8 data bits, no parity, 1 stop bits USART1/USB: 9600 baud, output NMEA Low position/velocity drift in static mode | ||
| 4 Hz position update rate capability (using on-board EEPROM) | ||
| Customized and configurable I/O (using on-board EEPROM). | ||
| Environmental Characteristics | ||
| Temperature | Operating range | - 40°C to + 85 °C |
| Mechanical dimensions | L x W x H | 22.4 x 17.0 x 3.0 mm |
| Interface | I/O connector | 28 pin SMD micro package |
| Antenna | ||
| Parameter | Specification | |
| Antenna type | Passive and/or active antenna | |
| Active Antenna | 15 ~ 25 dB Gain recommended (50dB max.) 1.5 dB noise figure max. |
|
| Antenna Supply | Using VCC_RF (pin #18) or external voltage source V_ANT (pin#19) |
|
| Antenna Supervisor (see application circuit) | Short circuit detection (built-in) Open circuit detection enabled with external circuit |
|