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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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