CXA1884N

CXA1884N Low-voltage FM IF Amplifier Description The CXA1884N is designed for FM communication devices. They incorporate a paging system, mixer, IF limiter, FM detector, operational amplifier, comparator, and others. Features Low operating voltage 1.0 to 4.0V Low power consumption 2mA at 1.5V Built-in power source voltage monitor Applications IF Amplifier for Paging System Receiver Structure Bipolar silicon monolithic IC 20 pin SSOP (Plastic) Absolute Maximum Ratings (Ta = 25°C) Supply voltage Vcc 7 Operating temperature Topr –20 to +75 Storage temperature Tstg –65 to +150 Recommended Operating Conditions Supply voltage Vcc 1.0 to 4.0 V °C °C V Block Diagram and Pin Configuration VB OUT COMP IN A1 OUT 11 A1 QUAD DET. 10 SENSE RF IN 20 19 18 17 16 15 14 ERR. AMP IF LIM. 13 12 MIXER REG. A2 OSC 1 2 3 4 5 6 7 8 MIX OUT OSC2 IF IN QD A2 IN 9 GND BSV NRZ LVA OSC1 DET OUT A1 IN IF P1 IF P2 VCC Note) DET. : DETECTOR LIM. : LIMITER REG. : REGURATOR ERR. : ERROR CORRECTION 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– E97Z05A8Y CXA1884N Pin Description Pin No. Symbol Equivalent circuit...