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尺寸:16X12mm MTK GPS﹠北斗双系统芯片

GT-1612-MTBD



Features


Build on high performance, low-power

            MediaTek MT3333 chip set

Ultra high Track sensitivity: -165dBm

Extremely fast TTFF at low signal level

Built in high gain LNA

Low power consumption: Max 45mA@3.3V

NMEA-0183 compliant protocol or custom

           protocol

Operating voltage: 2.8V to 4.3V

Operating temperature range:-40to85℃

SMD type with stamp holes

Small form factor: 16x12x2.6mm

RoHS compliant (Lead-free)



Parameter

       Specification

Power Supply

• Supply voltage:  2.8V~4.3V  Typical: 3.3V

Power Consumption

• Acquisition:  45mA @VCC=V_BCKP=3.3V

• Tracking:  40mA @VCC=V_BCKP=3.3V

• Standby:  2.0mA @VCC=V_BCKP=3.3V

• Backup:  20uA @V_BCKP=3.3V

Receiver Type

• Code 66 search channels, 22 synchronous tracking channels

• GPS&&QZSS L1 1575.42MHz C/A , Beidou B1 1561.098MHz

    SBAS: WAAS, EGNOS, MSAS, GAGAN

Sensitivity

• Tracking:   -165dBm

• Re-acquisition:   -156dBm

• Acquisition:   -148dBm


TTFF (EASY enabled)

• Cold start:   15s  typ @-130dBm

• Warm start:   5s  typ @-130dBm

• Hot start :   1s  typ @-130dBm


TTFF (EASY disabled)

• Cold start(Autonomous):   35s  typ @-130dBm

• Warm start (Autonomous):   30s  typ @-130dBm

• Hot start (Autonomous):   1s   typ @-130dBm


Horizontal Position

Accuracy (Autonomous)

• <2.5m CEP @-130 dBm


Max Update Rate

• Up to 10Hz,1Hz by fault


Accuracy of 1PPS Signal

• Typical accuracy: ±10ns

• Time pulse width 100ms


Acceleration Accuracy

• Without aid: 0.1m/s²


Dynamic Performance

• Maximum altitude: 18,000m

• Maximum velocity: 515m/s

• Acceleration: 4G


UART Port

• UART Port: TXD and RXD

• Supports baud rate from 4800bps to 115200bps, 9600bps by default

• UART port is used for NMEA output,MTK proprietary  

   commands input and firmware upgrade


Temperature Range

• Normal operation: -40°C ~ +85°C

• Storage temperature: -45°C ~ +125°C


Physical Characteristics

        • Size: 16±0.15 × 12±0.15 × 2.6±0.1mm

        • Weight: Approx. 0.92g



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