Monolithic Linear IC Electronic Tuning Type AM/FM Tuner System
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1 Ordering number : EN9C LA Monolithic Linear IC Electronic Tuning Type AM/FM Tuner ystem Features Minimum number of external parts required. Excellent /N Local OC with ALC Local OC buffer Tuning indicator pin (common with narrow-band stop signal and muting drive output) Variable stop sensitivity (variable separately for FM, AM) Less tweet interference ignal meter pin IF count output Functions FM : IF amplifier, quadrature detector, AF preamplifier, signal meter, IF count outputlifier, tuning indicator drive output (common with stop signal, muting drive output) AM : RF amplifier, MIX, OC (with ALC), IF amplifier, detector, AGC, signal meter, tuning indicator drive output (common with stop signal), IF count output, local OC buffer. Any and all ANYO emiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. pecifications of any and all ANYO emiconductor Co.,Ltd. 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. 588 M JK/N97HA (KT)/59HK/97AT/75KI, T No.9-/
2 pecifications Maximum Ratings at Ta = 5 C Parameter ymbol Conditions Ratings Unit Maximum supply voltage V CC max Pins 7,8, V Flow-in current I 8 Pin 8 ma Flow-out current I Pin ma I Pin ma Allowable power dissipation Pd max Ta C 7 mw Operating temperature Topr to +7 C torage temperature Tstg to +5 C Operating Conditions at Ta = 5 C Parameter ymbol Conditions Ratings Unit Recommended supply voltage V CC 8.5 V Operating voltage range V CC op to V Electrical Characteristics at Ta = 5 C, VCC = 8.5V, ee Test Circuit. Ratings Parameter ymbol Conditions min typ max Unit AM : fc = MHz, fm = khz Quiescent current I CCO No input ma Detection output V O V IN = dbμ, % mod. mv V O V IN = 8dBμ, % mod. 9 5 mv ignal to noise ratio /N V IN = dbμ 5 9 db /N V IN = 8dBμ 9 5 db Total harmonic distortion THD V IN = 8dBμ, % mod... % THD V IN = 7dBμ, % mod... % ignal meter output V M No input. V V M V IN = 8dBμ V LED drive sensitivity LED-ON I LED = ma dbm Local OC buffer output V OC fosc =.5MHz 8 mv IF buffer output V IF V IN = dbμ 8 5 mv FM : fc =.7MHz, fm = khz Quiescent current I CCO No input 9 ma Input limiting sensitivity dbl.. db down, % mod. 7 dbμ Demodulation output V O V IN = dbμ, % mod mv /N ratio /N V IN = dbμ 78 8 db Total harmonic distortion THD V IN = dbμ, % mod... % ignal meter output V M No input. V V M V IN = dbμ.7.. V LED drive sensitivity LED-ON I LED = ma 7 dbμ LED drive bandwidth LED-BW V IN = dbμ, I LED = ma 7 5 khz AM rejection ratio AMR V IN = dbμ, % mod db AM-kHz, % mod. IF buffer output V IF V IN = 5dBμ mv No.9-/
3 Package Dimensions unit : mm (typ) 7B Block Diagram No.9-/
4 How to use LA. LED driver, muting drive output, stop signal (D). For LED drive, muting drive output, stop signal, the output at pin 8 is used. Voltage on pin 8, when tuned, turns from "H" to "L". (Active-low) ignal bandwidth at pin 8 For AM, the bandwidth depends on the C.F (BFU5CN) at pin. If a capacitor is connected in place of the C.F, the bandwidth will get wider. For FM, the bandwidth depends on the resistance across pins 9 and. If the resistance is increased, the bandwidth will get narrower. R = 5kΩ makes the bandwidth approximately khz. ensitivity adjustment of LED, muting, stop signal For FM, the semifixed variable resistor across pin and GND is used. For AM, the semifixed variable resistor across pin 7 and GND is used. The relation (for AM, FM) between signal meter voltage and input voltage with the resistance of the semifixed variable resistor as a parameter is shown below. meter voltage -- V f =.7MHz R.7μF FM Meter Voltage R = 5kΩ kω 5kΩ kω5kω kω 7kΩ meter voltage -- V f = MHz 7 R μf AM Meter Voltage R = 5kΩ kω 5kΩ.kΩ IF input voltage -- db/μ JK Antenna input voltage -- db/m JK. AM/FM changeover AM/FM changeover is made using pin as shown right. However, the voltage on pin relative to VCC (pin 7) must be within the range of +.V to.8v. If not within this range, distortion and selectivity will get worse. A resistance of 8kΩ at the IFT cold terminal, which is used to prevent the changeover circuit from malfunctioning, must be connected. No.9-/
5 . Local OC buffer output When local OC buffer output waveform is saw-toothed at the W mode, connect a reistance of.kω or thereabouts across pin and GND.. Capacitance across pin 9 and GND A large capacitance across pin 9 and GND may cause a misstop at an adjacent channel when the channel select speed is made faster at the autmatic channel select mode. In thes case, decrease the capacitance across pin 9 and GND. However, if too decreased, the LED will flutter at low modulation frequencies at the time of detuning. Therefore, it is recommended to fix the capacitance across pin 9 and GND to be.μf to μf. The relation between modulation frequency and demodulation output voltage on pin 9 with the capacitance across pin 9 and GND as a parameter is shown right. 5. If the coupling coefficient of the local OC coil is small and an antiresonance point of approximately MHz is present or the stray capacitance across pin and pin is large, a parasitic oscillation of approximately MHz may occur in the buffer output (pin ). In this case, connect a capacitance of approximately pf across pin and GND.. AM OC coil Generally speaking, the following should be noted. Avoid winding with loose coupling between primary side and secondary side (especially W, W). To be concrete, the pot core type is better than the screw type which is loose in coupling. This prevents the local OC frequency from turning third resonance frequency related to the coupling coefficient. 7. Resistance across pin 8 and VDD If pin 8 is used for stop signal (D) only, without using LED, it is recommended to fix resistance RL across pin 8 and VDD to be 5kΩ to kω. 8. To prevent whistle from worsening, make the pattern of AM output pin 5 as short as possible. 9. AM, FM IF buffer output Application of a voltage to pin (TRQ) causes AM IF(55kHz) signal (at AM mode) and FM IF(.7MHz) signal (at FM mode) to be delivered at pin and pin, respectively. It is recommended that the voltage to be applied to Test Circuit : FM, AM-MW No.9-5/
6 8 AM Current Drain Characteristic f = MHz FM Current Drain Characteristic f =.7MHz Current drain, I CC -- ma ICC (Inciuding no LED current) Current drain, ICC -- ma 8 ICC (Inciuding no LED current) Noise voltage, Detection output -- dbm 8 8 Antenna input voltage -- db/m JK AM Input/Output Characteristic khz-% f = MHz Detection output khz-% Noise voltage Total harmonic distortion,thd -- % 8 Input voltage, VIN -- dbμ JK THD khz-8% THD -- VIN (ANT) THD khz-% meter current, I M -- ma -8 8 Antenna input voltage -- db/m JK AM Meter Current Characteristic LED-on 7 A Non-modulation ee Test Circuit. meter voltage, VM -- V 8 Antenna input voltage, VIN (ANT) -- db/m JK AM Meter Voltage Characteristic LED-on Non-modulation ee Test Circuit. Attenuation -- db 8 Antenna input voltage -- db/m JK 8 8 f = MHz db/m Input constant %mod Fidelity Characteristic Distorrion Attenuation k 5 Modulation frequency -- Hz JK5 8 Total harmonic distortion, THD -- % Attenuation -- db 8 JK IFT HW-5 FZ5B Antenna input voltage -- db/m electivity Characteristic f = MHz khz-% mod Output 5mV constant Frequency, Δf -- khz JK No.9-/
7 ensitivity -- db/m Detection output -- dbm AM VCC Characteristic AM Temperature Characteristic () 8 - f = MHz Current drain, ICC no signal Detection output (Input = db/m) If buffer output (Input = 5dB/m) Output mv sensitivity LED lighting sensitivity Input = db/m Input = 5dB/m meter voltage Input = Current drain, ICC -- ma IF buffer output -- mv meter voltage, VM -- V Detection output -- dbm /N -- db IF buffer output -- mv /N Input = 8dBμ THD Input = 8dBμ, khz-% mod Detection output Input = 8dBμ, khz-% mod IF output Input = 8dBμ Input = dbμ IF output Input = 8dBμ Input = dbμ W = on W = off Total harmonic distortion, THD -- % 9 meter voltage, VM -- V upply voltage,v CC -- V AM Temperature Characteristic () VM input = 8dBμ VN input = 5dBμ V M no input LED-on voltge.5 8 JK7 f = MHz..5. LED-on Voltage -- V Noise voltage, AM output, Detection output -- db/m Ambient temperature, Ta -- C FM Input/Output Characteristic f =.7MHz Detection output khz-75khz dev AM output khz-% mod Noise Voltage 8 JK8-8 IF input voltage -- dbμ JK Distortion Characteristic 5 f =.7MHz ensitivity -- dbμ /N = db sensitivity, khz-% mod LED-lighting sensitivity Output mv sensitivity, khz-% mod Total harmonic distortion, THD -- % Ambient temperature, Ta -- C JK9 THD khz-75khz dev 8 IF input voltage -- dbμ JK No.9-7/
8 No.9-8/
9 Interference -- db 8 7 AM Receiving Characteristic IF interference Image interference 5 Usable sensitivity (khz - % mod, /N = db) ensitivity -- db/m Maximum sensistivity (khz - % mod, detection output mv) Tracking adjust at each frequency. 8 Receiving frequency, fr -- khz JK7 Coil pecifications MW antenna Bar antenna (for PVCKTL) TN-89 (Mitsumi) W MW - T + 9T, - T Tight solenoid direct winding 5-7T.5φ space winding 7-8 tight solenoid winding - L = μh, Q O = ( ) 5 - L = 5μH, Q O = 5 ( 5) Loop antenna (for VC) LA (Korin Giken) Loop antenna. matching coil KL T, - 58T Q O = ±% L = 8μH ±% - 7T, YT-5 (Mitsumi) KO-87 (Korin Giken) For VC - 8T, Q O = 5 ±% - T AM IFT coil Matching coil for FZ5B (-element type) HW-5 (Mitsumi) - 7T, - T - 85T Q O = 7 ±%, f = 5kHz Internal 8pF FM double tuning detection HW- HW- to pin 5 to pin kω kω to pin 7 HW- (Mitsumi) HW- (Mitsumi) - 8.5T - T -.5T QO = 5 ±% Internal pf ±% - 9T QO = 5 ±% Internal pf ±% No.9-9/
10 ample Application Circuit : LA77, LA, LM7 V M AM output 8kΩ kω kω FM output 7pF V CC 8.5V.7μF.7μF loop antenna μf LA77.kΩ.7μF μf Ω.μF.7μF μF 5.kΩ BL 7 7μF 5Ω Ω pf.7μf 7pF VC VC μf kω pf 7.5kΩ VC.7μF pf μF μf Ω pf kω pf.μf.8kω pf μf kω μf kω Ω 9pF VC AM OC FM OC kω kω FM IF AM IF kω + kω kω kω μf kω +.7μF pf L78M 5.V.μF pf 8kΩ kΩ M FM input LA K8.7μF AM V T.7μF kω kω pf kω.8kω μf kω kω K58.μF A8 LM7 AM V CC V CC FM A8 kω kω kω pf 8pF pf TRQ CE CL DATA TOUT IG No.9-/
11 ANYO emiconductor Co.,Ltd. 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 ANYO emiconductor Co.,Ltd. products described or contained herein. ANYO emiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. uch 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 ANYO emiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require 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 consent of ANYO emiconductor 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 pecification" for the ANYO emiconductor Co.,Ltd. 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. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of ANYO emiconductor Co.,Ltd. or any third party. ANYO emiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of May, 8. pecifications and information herein are subject to change without notice. P No.9-/
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