Download LM3089 Datasheet PDF
National Semiconductor
LM3089
LM3089 is LM3089 FM Receiver IF System manufactured by National Semiconductor.
Description The LM3089 has been designed to provide all the major functions required for modern FM IF designs of automotive high-fidelity and munications receivers Features Three stage IF amplifier limiter provides 12 m V (typ) b 3 d B limiting sensitivity Balanced product detector and audio amplifier provide 400 m V (typ) of recovered audio with distortion as low as 0 1% with proper external coil designs Four internal carrier level detectors provide delayed AGC signal to tuner IF level meter drive current and interchannel mute control AFC amplifier provides AFC current for tuner and or center tuning meters Improved operating and temperature performance especially when using high Q quadrature coils in narrow band FM munications receivers No mute circuit latchup problems A direct replacement for CA3089E Connection Diagram Dual-In-Line Package TL H 7149 - 2 Top View Order Number LM3089N See NS Package Number N16E C1995 National Semiconductor Corporation TL H 7149 RRD-B30M115 Printed in U S A Block Diagram TL H 7149 - 1 Toko America 1250 Feehanville Drive Mount Prospect IL 60056 (312) 297-0070 Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage Between Pin 11 and Pins 4 14 DC Current Out of Pin 12 DC Current Out of Pin 13 DC Current Out of Pin 15 a 16V Power Dissipation (Note 2) Operating Temperature Range Storage Temperature Range Lead Temperature (Soldering 10 seconds) 1500 m W b 40 C to a 85 C b 65 C to a 150 C 5 m A 5 m A 2 m A 260 C Electrical Characteristics (TA e 25 C Symbol Parameter DC CHARACTERISTICS (VIN e 0 NOT MUTED) I11 V1 2 3 V6 V7 V10 V12 V13 V15 Supply Current IF Input and Bias Audio Output AFC Output Reference Bias Mute Control IF Level Delayed AGC VCC e a 12V see Test Circuit) Conditions Min Typ Max Units 16 12 50 50 50 50 42 400 Hz 45 300 23 19 56 56 56 54 0 47 30 24 60 60...