CXA1951AQ

CXA1951AQ GPS Down Converter Description The CXA1951AQ is an IC developed as a GPS down converter, featuring low current consumption and small package. This IC is suitable for the mobile GPS (Global Positioning System). Features Includes all functions required for the GPS converter Total gain: 100 dB or more Operating supply voltage range: 2.7 to 5.5 V Low current consumption: ICC = 30 mA (Typ. at VCC = 3 V) Excellent temperature characteristics Applications GPS (Global Positioning System) Structure Bipolar silicon monolithic IC 40 pin QFP (Plastic) Absolute Maximum Ratings (Ta = 25 °C) Supply voltage VCC 7.0 Operating temperature Topr –40 to +85 Storage temperature Tstg –65 to +150 Allowable power dissipation PD 200 Operating Conditions Supply voltage V °C °C mW VCC 2.7 to 5.5 V 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. —1— E96743-TE CXA1951AQ Block Diagram and Pin Configuration LIM DEC2 LIM DEC1 LIM VCC IF DEC2 IF DEC1 LIM IN IF OUT IF VCC IF IN2 22 30 LIM OUT 31 LIM GND 32 N.C 33 REF INV 34 REF IN 35 PLL GND 36 FC 37 TEST OUT 38 LOCK DET 39 PLL VCC 40 29 28 27 26 25 24 23 21 20 IF GND 19 ...