Ordering number: EN1521D Monolithic Linear IC LA1185 FM Front-end for Radio-cassette Recorder, Home Stereo Applications Overview Package Dimensions 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. unit : mm 3017C-SIP9 [LA1185] Use . FM front-end IC for radio-cassette recorders and music centers Functions and Features SANYO : SIP9 . RF amplifier, mixer, local oscillator . Improvement in cross modulation characteristics due to the of double-balanced mixer. . use Improvement in strong input characteristic. . 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 = 25C Parameter Maximum supply voltage Maximum pin voltage Allowable power dissipation Symbol Conditions VCC max Ratings Unit 8 V V3-5 12 V V6-5 VCC + 0.8 V Pd max Ta % 80C 150 mW Operating temperature Topr -20 to +80 C Storage temperature Tstg -40 to +125 C Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein. SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 81096HA(II)/0067KI/N214MW/4124KI/9283KI,TS No.1521-1/5 LA1185 Operating Conditions at Ta = 25C Parameter Symbol Recommended supply voltage Conditions Ratings VCC Operating voltage range VCCop Unit 4.5 V 1.5 to 8.0 V Operating Characteristics at Ta = 25C, VCC = 4.5 V, fr = 108 MHz, fOSC = 118.7 MHz, See specified Test Circuit Symbol ICC Vo VOSC Vstop Conditions Quiescent 100 dB VCC = 2 V Allowable power dissipation, Pd max - mW Parameter Current dissipation Output saturation voltage Local oscillation voltage Oscillation stop voltage min 95 190 typ 5.5 115 235 1.4 max 8.0 135 1.6 Unit mA mVrms mVrms V Ambient temperature, Ta - C (Mitsumi) Test Circuit and Equivalent Circuit Block Diagram (Sumida) (Sumida) (Mitsumi) Unit (resistance: , capacitance: F) No.1521-2/5 Supply voltage, VCC - V Band Characteristic Local oscillation voltage Conversion gain Saturation output Specified test circuit with ANT B.P.F. removed MIX gain - dB Specified test circuit Saturation output - dB Local oscillation voltage - dB MIX gain - dB fOSC - kHz Total gain - dB VCC Characteristic Oscillation output, VOSC - mVrms, ICC- 0 - mA Conversion gain - dB LA1185 Receiving frequency, fr - MHz Oscillation frequency, fOSC - MHz Temperature Characteristic Test Circuit Oscillation frequency, fOSC- MHz 65 dB sensitivity VO-100- dB Current dissipation, ICC-O - mA 65 dB sensitivity - dB Temperature Characteristic Unit (resistance: , capacitance: F) Ambient temperature, Ta - C No.1521-3/5 LA1185 Sample Application Circuit: LA1185 + LA1260 US band AM section Unit (resistance: , capacitance: F) LA185+LA1260 Overall Characteristic 0 dB = 100% Mitsumi Sumida T1 YT-30224 2153-4016-006 T2 YT-30194 2153-4095-339 L1 YT-30196 0708-700 L2 YT-40001 0708-701 B.P.F. YT-30025 SNY-074-2001 THD - % AM output fm = 1 kHz LED lightning sensitivity 11.5dB ANT input - dB LA1185+LA1260 Band Characteristic LED lightning sensitivity Usable sensitivity Saturation output Remove 1st stage B.P.F. when testing Saturation output - mVrms Usable sensitivity S/N -30 dB input, - dB LED lightning sensitivity, 3 dB L.S. Output - dBm Output fm = 400 Hz 30% mod Receiving frequency, fr - MHz No.1521-4/5 LA1185 Specifications of any and all SANYO products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO products(including technical data,services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of SANYO Electric Co., Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO product that you intend to use. 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. PS No.1521-5/5