RYS8838

3.3V UART Interface GNSS Module with Untethered Dead Reckoning (UDR)

RYS8838
  • SONY CXD5608AGF Engine.
  • A multi-GNSS module for GPS(L1 C/A), GLONASS(L1 OF), SBAS(L1 C/A), QZSS(L1 C/A), BeiDou(B1 TBD) and Galileo(E1 CBOC TBD).
  • Including SAW filter, LNA and TCXO.
  • Embedded digital noise filters and spectrum analyzer.
  • Untethered Dead Reckoning (UDR) function.

Description

The RYS8838 is a multi-GNSS module with high sensitivity, fast acquisition engine and an Untethered Dead Reckoning (UDR) function.

Specification

ItemMin.TypicalMax.UnitCondition
Power Supply Voltage3.2
3.33.4V
VDD

GNSS continuous mode

Satellite acquisition Current19mA
Satellite tracking Current13mA
Idle Current3mAWaiting for command
Sleep2 mode current0.2uA
Satellite acquisition Current11.5mAUse buck regulator
Satellite tracking Current8.2mAUse buck regulator
Idle Current2.6mAUse buck regulator
Sleep0 mode Current0.5uAUse buck regulator
Sleep1 mode Current0.17uAUse buck regulator
Sleep2 mode Current0.17uAUse buck regulator

GNSS low power mode

Satellite tracking average currentUse buck regulator
@GSOP command
Sleep1 and normal mode cycle
Default Baud Rate115200bps8, N, 1
Digital input level high0.7*VDDVDD+0.3VVIH
Digital input level low-0.30.3*VDDVVIL
Digital output level high0.8*VDDVDDVVOH 2mA
Digital output level low00.2*VDDVVOL 2mA
Flash size8M-bit
GNSS Center Frequency1561.098
1575.42
1602.5625

MHz
BeiDou
GPS
Glonass
Navigation update rate1Hz
Accuracy1MSignal strength is -130dBm
Cold starts35Sec.Signal strength is -130dBm
Hot starts2Sec.
Tracking Sensitivity-161dBm
Hot starts Sensitivity-160dBm
Cold starts Sensitivity-147dBm
Operating Temperature-4025+85°C
Dimensions13mm*11mm*2.2mm
Weight0.8g