Sony GXB5005 Manuals

- 1 - E05728B67 Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. GXB5005 SMD Type GPS Receiver Module Description The GXB5005 is a 12-channel GPS (Global Positioning System) receiver module. This small module includes all the functions required for GPS and is designed for using an active antenna. The GXB5005 can support the various kinds of the portable applications as well as the car navigation system. Features ‹ General Š Implementation of Sony CXD2951GA-4 single chip GPS Š Small size with SMD type pads and shield case Š Module size (typ.): 22.4 (W) × 23.5 (D) × 3.2 (H) [mm] Š Current consumption: Acquisition (typ): 70 [mA] Tracking (typ): 41 [mA] Battery backup (typ): 7 [μA] Š Datum: WGS-84 Š Communication method: Supports NMEA-0183 version 3.01 Š Internal 32.768kHz RTC Š Internal 18.414MHz TCXO Š Antenna input 50Ω Š Recommended antenna element An active antenna with 0dB and RF amplifier with NF ≤ 2dB, 8 to 30dB gain ‹ Functionality Š 12-channel GPS receiver capable of simultaneously receiving 12 satellites Š All-in-view measurement Š Valid fix indication output Š 1PPS output Š WAAS/EGNOS compatible Š Supported baud rate: 4800bps/9600bps/19200bps/38400bps by HW setting Š Internal power on reset circuit Š Antenna sense (option) GXB5005 - 2 - ‹ Performance Š Tracking sensitivity: –152dBm (typ.) Š Acquisition sensitivity: –139dBm (typ.) Š Time to first fix (time until initial measurement after power-on) (typ., Open sky) Cold start (without ephemeris and almanac): 40s Warm start (without ephemeris with almanac): 33s Hot start (with ephemeris and almanac): 2 to 3s Š Positioning accuracy (Open air with ≥ –130dBm, PDOP ≤ 2.0) Stand alone (GPS unit only) 2DRMS: approx. 2m Š Follow-up performance: Velocity: 500km/h or less Acceleration: 1G or less Absolute Maximum Ratings Operating Conditions Item Symbol Min. Max. Unit Power supply voltage VDD –0.5 3.7 V Input voltage VI –0.5 5.5 V Output voltage VO –0.5 VDD + 0.5 V Operating temperature Topr –40 +85 °C Storage temperature Tstg –40 +105 °C Item Symbol Min. Typ. Max. Unit Power supply voltage VDD 3.1 3.4 3.7 V Power supply voltage ripple VDD-rip 50 mVp-p Backup battery voltage Vbat 2.6 2.8 3.0 V Input pin voltage VIN –0.3 5.5 V Supply current: Acquisition (25°C) ICC 70 mA Supply current: Tracking (25°C) ICC 41 mA Standby current Istdby 7 120 μA Operating temperature Topr –40 +25 +85 °C Reception frequency, L1 CA code FIN 1575.42 MHz GXB5005 - 3 - Architecture JTAG, GPIO, etc. CXO 32.768kHz Host I/O Control signal 1 bit LNA LNA SAW BPF Freq. Synthesizer LPF Down Converter 1.023MHz TCXO CPU 18.414MHz TCXO Multiplier/ Divider CPU CPU, Counter DLL, D.MF, S/P RTC ARM7TDMI Time Counter RAM/ ROM 1.8V Regulator Acquisition Block TCXO Computation & Control Block CMOS Radio Block CXD2951 Baseband Unit RF/IF Unit Tracking Block GXB5005 - 4 - Pin Configuration (Top View) Pin Description 19. 1PPS 18. B.U. 17. VDD 16. RST 15. GND 14. GND 13. Status Out 12. RF GND 11. RF IN 10. RF GND 1. AD In0 2. AD In1 3. ANT Cont 4. BR1 5. BR0 6. RXD0 7. TXD0 8. WA1 9. WA0 23.5mm 22.4mm TCXO CXD2951 Regulator RF 32kHz X'tal LNA Shield Case Land Pin No. Symbol I/O Description 1 AD In0 I Antenna sense input 0 2 AD In1 I Antenna sense input 1 3 ANT Cont I/O Antenna sense enable (High active) 4 BR1 I Baud rate setting 1 5 BR0 I Baud rate setting 0 6 RXD0 I UART (CH0) reception data 7 TXD0 O UART (CH0) transmission data 8 WA1 I WAAS enable 1 9 WA0 I WAAS enable 0 10 RF GND RF GND 11 RF IN I GPS signal input 12 RF GND RF GND 13 Status Out Status output 14 GND GND 15 GND GND 16 RST I Hardware reset (Low active) 17 VDD Power supply 3.4V 18 B.U. Battery backup 2.8V 19 1PPS O 1PPS output