Description

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

◆ 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.

Features

Item	Min.	Typical	Max.	Unit	Condition
Power Supply Voltage	3.2	3.3	3.4	V	VDD

GNSS continuous mode

Item	Typical	Unit	Condition
Satellite acquisition Current	19	mA
Satellite tracking Current	13	mA
Idle Current	3	mA	Waiting for command
Sleep2 mode current	0.2	uA
Satellite acquisition Current	11.5	mA	Use buck regulator
Satellite tracking Current	8.2	mA	Use buck regulator
Idle Current	2.6	mA	Use buck regulator
Sleep0 mode current	0.5	uA	Use buck regulator
Sleep1 mode current	0.17	uA	Use buck regulator
Sleep2 mode current	0.17	uA	Use buck regulator

GNSS low power mode

Item	Min.	Typical	Max.	Unit	Condition
Satellite tracking average current					Use buck regulator @GSOP command Sleep1 and normal mode cycle
Default Baud Rate		115200		bps	8,N,1
Digital input level high	0.7*VDD		VDD+0.3	V	VIH
Digital input level low	-0.3		0.3*VDD	V	VIL
Digital output level high	0.8*VDD		VDD	V	VOH 2mA
Digital output level low	0		0.2*VDD	V	VOH 2mA
GNSS Center Frequency		1561.098 1575.42 1602.5625		MHz	BeiDou GPS Glonass
Navigation update rate		1		Hz
Accuracy		1		M	Signal strength is -130dBm
Cold starts		35		Sec.	Signal strength is -130dBm
Hot starts		2		Sec.
Tracking Sensitivity		-161		dBm
Hot starts Sensitivity		-160		dBm
Operating Temperature	-40	25	+85	˚C
Dimensions					13mm11mm2.2mm
Weight		0.8		g