LA1185

Ordering number: EN1521D Monolithic Linear IC LA1185 FM Front-end for Radio-cassette Recorder, Home Stereo Applications Overview The LA1185 is an FM receiver front-end IC for radio-cassette recorder, music center applications. Its mixer is of double-balanced type. The built-in oscillator and buffer amplifier improves the strong input characteristic. Package Dimensions unit : mm 3017C-SIP9 [LA1185] Use . FM front-end IC for radio-cassette recorders and music centers Functions and Features . RF amplifier, mixer, local oscillator . Improvement in cross modulation characteristics due to the mixer. . use of double-balanced input characteristic. Improvement in strong . Minimum number of external parts required. . Less spurious radiation from local oscillator. . Operating voltage range : 1.5 to 8.0 V Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Maximum pin voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max V3-5 V6-5 Pd max Topr Tstg Ta % 80°C Conditions SANYO : SIP9 Ratings 8 12 VCC + 0.8 150 –20 to +80 –40 to +125 Unit V V V mW °C °C Operating Conditions at Ta = 25°C Parameter Recommended supply voltage Operating voltage range Symbol VCC VCCop Conditions Ratings 4.5 1.5 to 8.0 Unit V V SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 81096HA(II)/0067KI/N214MW/4124KI/9283KI,TS No.1521-1/5 LA1185 Operating Characteristics at Ta = 25°C, VCC = 4.5 V, fr = 108 MHz, fOSC = 118.7 MHz, See specified Test Circuit Parameter Current dissipation Output saturation voltage Local oscillation voltage Oscillation stop voltage Symbol ICC Vo VOSC Vstop Conditions Quiescent 100 dBµ VCC = 2 V min 95 190 typ 5.5 115 235 1.4 max 8.0 135 1.6 Unit mA mVrms mVrms V Allowable power dissipation, Pd max − mW Ambient temperature, Ta − °C Test Circuit and Equivalent Circuit Block Diagram (Mitsumi) (Sumida) (Sumida) (Mitsumi) Unit (resistance: Ω, capacitance: F) No.1521-2/5 LA1185 MIX gain – dB ∆fOSC – kHz Total gain – dB VCC Characteristic Oscillation output, VOSC – mVrms, ICC– 0 – mA Conversion gain – dB Band Characteristic Local oscillation voltage Conversion gain Saturation output Specified test circuit Specified test circuit with ANT B.P.F. removed Supply voltage, VCC – V Receiving frequency, fr − MHz Oscillation frequency, fOSC – MHz Temperature Characteristic Test Circuit Temperature Characteristic Current dissipation, ICC-O – mA Oscillation frequency, fOSC– MHz 65 dBµ sensitivity – dBµ 65 dBµ sensitivity VO-100– dBµ Unit (resistance: Ω, capacitance: F) Ambient temperature, Ta − °C No.1521-3/5 MIX gain – dB Saturation output – dBµ Local oscillation voltage – dBµ LA1185 Sample Application Circuit: LA1185 + LA1260 US band AM section LA185+LA1260 Overall Characteristic Output fm = 400 Hz 30% mod T1 T2 L1 L2 B.P.F. Unit (resistance: Ω, capacitance: F) Mitsumi Sumida 2153-4016-006 2153-4095-339 0708-700 0708-701 SNY-074-2001 Output – dBm 0 dB = 100% AM output fm = 1 kHz YT-30224 YT-30194 YT-30196 YT-40001 YT-30025 LED lightning sensitivity 11.5dB ANT input – dBµ Usable sensitivity S/N –30 dB input, – dBµ LED lightning sensitivity, 3 dB L.S. LA1185+LA1260 Band Characteristic LED lightning sensitivity THD – % Usable sensitivity Saturation output Remove 1st stage B.P.F. when testing Receiving frequency, fr – MHz Saturation output – mVrms No.1521-4/5 LA1185 No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. Anyone purchasing any products described or contained herein for an above-mentioned use shall: 1 Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: 2 Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of August, 1996. Specifications and information herein are subject to change without notice. No.1521-5/5