UTC1018

UTC1018 DESCRIPTION LINEAR INTEGRATED CIRCUIT FM IF SYSTEM FOR CAR RADIO The UTC1018 has versatile muting characteristics and allows receiver designers to realize the muting performance according to their design concept. FUNCTIONS * FM IF Amplifier/Limiter * Quadrature Detector * AFC Clamp * AGC Drive * AF Mute Amplifier * Signal Meter Drive * DC Level Detector ZIP-16 ORDERING INFORMATION Device Package ZIP-16 UTC1018 FEATURES * Adjustable muting sensitivity * Soft muting function * Variable maximum muting attenuation (6dB~40dB) * Variable muting slope with respect to input signal level * High limiting sensitivity with muting off * Good S/N ratio * Clamped AFC output * Delayed AGC output for front end circuit * Recommended supply voltage: VCC =8V * Operating supply voltage range: VCC =7.5V~16V * Low distortion * Good AMR APPLICATION * FM car stereo receiver YOUWANG ELECTRONICS CO.LTD 1 2004.12.15 V1.0 Free Datasheet http://www.Datasheet4U.com UTC1018 PIN CONFIGURATIONS LINEAR INTEGRATED CIRCUIT BLOCK DIAGRAM YOUWANG ELECTRONICS CO.LTD 2 2004.12.15 V1.0 Free Datasheet http://www.Datasheet4U.com UTC1018 Characteristics Maximum Supply Voltage Maximum Supply Current Allowable Power Dissipation Input Voltage LINEAR INTEGRATED CIRCUIT Symbol VCC max ICC max Pd max VIN I2 ABSOLUTE MAXIMUM RATING (Tamb=25°C) Rating 16 40 640 460 ±1 ±0.2 ±0.2 2 1 2 2 1 1 -20 to +70 -40 to +125 Unit V mA mW mW Vp-p mA mA mA mA mA mA mA mA °C °C Flow-In Current I3 I6 I5 I13 Flow-...