UTCKA22427 - Unisonic Technologies

UTCKA22427 I-CHIP AM/FM RADIO IC

LINEAR INTEGRATED CIRCUIT I-CHIP AM/FM RADIO IC UTC KA22427 is a one-chip AM/FM radio integrated circuit that is suitable for portable radio applications. It includes AM amplifier, local OSC, AM mixer, AM/FM amplifier, AM AGE, FM AGE circuit and also class b Audio Power Amplifier. FEATURES *Low external components count. *Wide operating voltage : 3 - 13 .

Features

*Low external components count.
*Wide operating voltage : 3 - 13 V.
*Internal regulated supply for constant current operation.
*DC selection of AM/FM mode. DIP-16 BLOCK DIAGRAM AM IF OUT AM/FM IN HF GND IF bypass AGC bypass AM/FM OUT IF Detector IN +Vcc 4 3 2 1 16 15 14 13 Regulator AM/FM IF AM HF MIXER AM/FM discriminato Audio amplifier AM LO 5 AM local OSC 6 AM HF IN 7 HF bypass 8 9 10 11 12 Audio Audio in Ripple detector Suppression out Audio GND Audio power out ABSOLUTE MAXIMUM RATING(Ta=25°C) PARAMETER SUPPLY VOLTAGE SUPPLY CURRENT POWER DISSIPATION THERMAL RESISTA.