New Contributing to the design of smaller onboard equipment for ETC vehicles. VCO/PLL+IFSingle-ChipICAN18420AforETCVehicle OnboardEquipment Overview 3C 23 33 (6.00) (0.63) 12 44 (0.63) SEATING PLANE 0.10 5.000.10 (1.10) 0.600.10 (0 .1 5) 11 1 12 (1.10) 44 22 34 33 0.40 23 (0.48) 5.000.10 11 0.200.10 1 R0.30 zSubstantial space-saver for the wireless block of ETC vehicle onboard equipment. Compactly packaged IC combines with Panasonic MMIC (GN7003S) for the wireless block of ETC vehicle onboard equipment. zFull incorporation of VCO circuitry including oscillation circuit. Use of SiGe-Bi CMOS process allows full incorporation of 2.9GHz VCO. zSingle-chip configuration includes both VCO/PLL block and IF block. 6.200.10 22 34 Features Unit : mm 0. 50 6.200.10 (6.00) 0.80 max AN18420A is a single-chip IC that incorporates a VCO/PLL block and an IF block to significantly reduce the size and the number of parts used in the wireless block of onboard 5.8GHz electronic toll collection (ETC) systems. This makes a sizable contribution to the design of more compact onboard equipment for ETC vehicles, a product that is expected to grow in popularity. (0.48) 0.160.06 0.08 M QFN044-P-0606A Applications zETC vehicle onboard equipment SystemBlockDiagram GN7003S AN18420A ASK Demodulator VCO/PLL Block Double edge evaluation VCO PLL Prescaler GCA Rx-Data AGC RSSI RSSI 40MHz IF Block Data Tx-Data Productsandspecificationsaresubjecttochangewithoutnotice.PleaseaskforthelatestProductStandardstoguaranteethesatisfactionofyourproductrequirements. 1Kotari-yakemachi,Nagaokakyo,Kyoto617-8520,JapanTel.+81-75-951-8151http://panasonic.co.jp/semicon M00608AE Newpublication,effectivefrom7Jul.2003 BlockDiagram IF-in 32 31 30 29 28 27 50k 110k 50 26 25 24 34 35 22 21 20 RSSI 37 Vcc 1nH 38 19 L Driver Amp. 18 40 17 Double edge evaluation circuit ASK Demodulator L Cascade Amp. VCO (2.9GHz) PD/CP (1.25MHz) 3 750 4 750k 2200pF 2 5 15 ASK 14 6 Shift register +Latch REF Counter REF-in 1000pF 1 Counter (10bit+5bit) PSC 44 Vcc ASK 16 0.01F 43 1000pF AGC 41 42 Vcc 2200pF 39 Vcc Vcc GCA Comparator 36 4 to 5GHz Output 23 100pF 50k 33 Vcc 1000pF Comparator Output 1000pF 50k SAW 7 8 Vcc LD Low:0V High:Vcc Output 30MHz 9 10 11 Vcc EN Input 13 CLOCK Input 12 DATA Input 300 0.068F PinDescription PIN PIN PIN PIN 1 GND 12 DATA 23 GND 34 COMP_REF 2 GND 13 CLOCK 24 GND 35 NC 3 LPF1 14 GND 25 VREF 36 GND 4 LPF2 15 ASKout 26 GCAcont 37 VCC 5 GND 16 ASKcont 27 IF-in1 38 2XOUT 6 REF-in 17 AGC 28 IF-in2 39 NC 7 VCC 18 VCC 29 VCC 40 VCC 8 LD 19 GND 30 GND 41 GND 9 GND 20 RSSIout 31 GND 42 GND 10 VCC 21 GND 32 NC 43 GND 11 EN 22 VCC 33 COMP_OUT 44 VCC AbsoluteMaximumRatings Parameter Symbol Rating Unit Note Storage temperature Tstg -55 to 150 C 1 Operating ambient temperature Topr -40 to 100 C 1 Supply voltage VCC 2.95 V Supply current ICC 95 mA Power dissipation Pd 0.1764 W 2 Note1) Except for the operation ambient temperature and storage temperature, all ratings are for Ta=25 C. Note2Ta=100 C, Package only. OperatingSupplyVoltageRange Operating Supply Voltage Range VCC 2.6 V to 2.9 V ElectricalCharacteristics(unlessotherwisespecified,ambienttemperatureis25C 2C,VCC=2.8V) Parameter Symbol Supply current ICC Variable amp. gain width Gah Channel select RSSI output1 Condition Min. Typ. Max. Unit 50 68 87 mA gap of RSSI voltage when variable amplifier gain is high or low 0.1 0.15 0.35 V CHRS1 Vin=-60dBm,40MHz 1.4 1.6 1.8 V Channel select RSSI output2 CHRS2 Vin=-40dBm,40MHz 1.52 1.72 1.92 V Channel select RSSI output3 CHRS3 Vin=-17dBm,40MHz 1.8 2.0 2.2 V ASK Demodulator output low level VASKL Vin=-50dBm to -20dBm, 40MHz 0.4 V ASK Demodulator output high level VASKH Vin=-50dBm to -20dBm, 40MHz 2.7 V 2nd. Harmonic distortion TH2C Vin=-40dBm,40MHz -15 -11 dB Double edge evaluation output level 2VCO fout=5.845GHzLoad:50 -7 -2.5 +2 dBm C/N1 CN1 fout=5.845GHz,200kHz -82 dBc C/N2 CN2 fout=5.845GHz,1MHz -97 dBc Normal operation /non signal ReferenceDataforDesigning Parameter Symbol Condition Min. Typ. Max. Unit Lock up time LUT 5815MHz 1000 s Spurious level 1 SP1 2.9GHz -20 dBc Spurious level 2 SP2 8.7GHz -10 dBc Spurious level 3 SP3 11.6GHz -10 dBc LD voltage L LDL An lock 0.4 V LD voltage H LDH Lock Vcc0.4 V Reference leak VRFR 1.25MHz offset -37 dBc TCXO input level REFR 30MHz -10 0 +10 dBm Amp. Input resistor 2VCO 4 k High level input voltage CN1 DATA,CLOCK,EN 0.7 x Vcc Vcc V Low level input voltage CN2 DATA,CLOCK,EN 0 0.3 x Vcc V PackagePowerDissipation 5845MHz