CXA1744AR

CXA1744AR IF Amplifier for Digital Cordless Telephone For the availability of this product, please contact the sales office. Description The CXA1744AR is an IF amplifier IC designed for digital cordless telephone of Europe, CT-2. Features Mixer, RSSI, detector, and various other functions required of a digital cordless phone IF amplifier. Local oscillator and multiplier for the mixer. Low power consumption (8.4mA at 3.0V) Small package (48-pin LQFP). Absolute Maximum Ratings (Ta=25°C) Supply voltage VCC 14 V Operating temperature Topr –20 to +75 °C Storage temperature Tstg –65 to +150 °C Allowable power dissipation PD 500 mW Recommended Operating Condition Supply voltage VCC 2.7 to 5.5 48 pin LQFP (Plastic) Structure Bipolar silicon monolithic IC Applications Digital cordless telephone of Europe (CT-2) 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— E93Z33-TE CXA1744AR Block Diagram and Pin Configuration SAMPLE RSSIVcc MIXVCC IFOUT IFCNT LIMP1 IFP1 36 35 34 33 32 31 30 29 28 27 26 LIMP2 LIMIN IFP2 IFIN 25 37 RSSIGND MIXOUT MIXIN2 MIXIN1 BUFPAS LOIN REF NC MULTIOUT NC NC OSCC OSCB 24 23...