[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-562773-105":59,"doc-detail-562773-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","an7470-fm-stereo-multiplex-demodulator-features-pinout-ratings-electrical-characteristics","AN7470 FM Stereo Multiplex Demodulator - Features, Pinout, Ratings, Electrical Characteristics","","AN7470 is a monolithic integrated circuit designed for FM multiplex demodulator circuits used in high-class stereo FM tuners. It provides small shock noise during switching, perfect synchronization for stereo/mono switching including a stereo lamp, and includes a built-in post amplifier. The document lists pin definitions for Vcc, composite input, feedback and outputs, indicator/VCO monitoring, filters, and forced mono control. It also specifies absolute maximum ratings and electrical characteristics such as voltage gain, channel separation, THD, carrier leak, capture range, and S/N ratio, plus an application circuit and characteristics curves.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/an7470-fm-stereo-multiplex-demodulator-features-pinout-ratings-electrical-characteristics/562773/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/an7470-fm-stereo-multiplex-demodulator-features-pinout-ratings-electrical-characteristics/562773.png","ImageObject",300,407,{"name":92,"@type":93},"hdkawk","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-20","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":19},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the AN7470 used for?","Question",{"text":112,"@type":113},"The AN7470 is used for FM multiplex demodulator circuits in high-class stereo FM tuners.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What key features are highlighted for stereo and mono operation?",{"text":117,"@type":113},"It emphasizes small shock noise from switching, perfect synchronization for stereo/monaural switching, and operation tied to a stereo lamp, with a built-in post amplifier.",{"name":119,"@type":110,"acceptedAnswer":120},"Which electrical characteristics are provided in the datasheet?",{"text":121,"@type":113},"The datasheet includes channel separation, voltage gain, channel balance, total harmonic distortion for stereo and mono, carrier leak, pilot on voltage, capture range, and signal-to-noise ratio.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},562773,1792103305,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":19,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":19,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":52},3985747859855,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","AN7470  \n# FM Stereo Multiplex Demodulator\n\n## ■ Description\n\nThe AN7470 is a monolithic integrated circuit designd forFM multiplex demodulator circuit for high-class stereo FMtuners.  \n## ■ Features\n\n● Small shock noise from switching operation(ON/OFF)  \n● Perfect synchronization for stereo/monaural switchingoperation and stereo lamp  \n● Built-in post amplifier  \n### ■ Pin\n\n\n| Pin No   | Pin Name   | Pin No   | Pin Name   |\n| --- | --- | --- | --- |\n| 1   | Vcc   | 9   | Stereo Indicator and VCO freq.Monitor   |\n| 2   | Composite Signal Input   | 10   | Pilot Det.Low-pass Filter   |\n| 3   | Buffer Amp.Output   | 11   | Pilot Det.Low-pass Filter   |\n| 4   | LCh.Amp.Feedback   | 12   | Pilot Signal Input   |\n| 5   | R Ch.Amp.Feedback   | 13   | PLLLow-pass Filter   |\n| 6   | R Ch.Amp.Output   | 14   | PLLLow-pass Filter   |\n| 7   | LCh.Amp.Output   | 15   | VCO RC Time Const.   |\n| 8   | GND   | 16   | Forced Mono.VCO Killer   |\n\n## ■Block Diagram\n\n□693285200140618T4□  \n■ Absolute Maximum Ratings(Ta=25℃)  \n\n| Item   | Symbol   | Rating   | Unit   |\n| --- | --- | --- | --- |\n| Supply Voltage   | Vcc   | 14.4   | V   |\n| Power Dissipation(Ta=75℃)   | Po   | 430   | mW   |\n| Operating Ambient Temperature   | Topr   | -20～+75   | ℃   |\n| Storage Temperature   | Tstg   | -55~+150   | ℃   |\n\nOperating Supply Voltage Range:Vcc=9.0V~14.0V  \n## ■ Electrical Characteristics(Vcc=12V,Ta=25℃)\n\n\n| Item   | Symbol   | Condition   | min.   | typ.   | max.   | Unit   |\n| --- | --- | --- | --- | --- | --- | --- |\n| Circuit Curent(Lamp OFF)   | I   | Without input signal (Lamp OFF)   | 10   | 18   | 28   | mA   |\n| Circuit Current(Lamp ON)   | l   | Pilot signal,Vp=30mV(Lamp ON)   |  | 20   |  | mA   |\n| Channel Separation   | Sep   | fm=1kHz,L+R=90%,Pilot=10%,  \u003Cbr>V(L+R)=270mV,Vp=30mV   | 45   | 55   |  | dB   |\n| Voltage Gain   | Gv   |  | 10   | 12   | 14   | dB   |\n| Channel Balance   | CB   |  | -1   | 0   | 1   | dB   |\n| Total Harmonic Distortion (Stereo)   | THD   |  |  | 0.04   | 0.1   | %   |\n| Total Harmonic Distortion(Mono)   | THD   | fm=1kHz,Vin=300mV   |  | 0.02   | 0.1   | %   |\n| Carrier Leak   | CL   | fm=1kHz,L+R=90%,Pilot=10%,  \u003Cbr>V(L+R)=270mV   | 20   | 26   |  | dB   |\n| Pilot Signal ON Voltage   | Vp(ON)   | Pilot signal 19kHz   | 6   | 12   | 20   | mV   |\n| Capture Range   | CR   | Pilot signal 19kHz,Vp=30mV   | ±1.5   | ±3   |  | %   |\n| Signal to Noise Ratio   | S/N   | fm=1kHz,Vin=300mV,Rg=0Ω   | 76   | 85   |  | dB   |\n\n## ■ Application Circuit\n\n■69328520014062730  \n■ Characteristics Curve  \nVP(ON/OFF)-VccInput Voltage Vin(mV)Supply Voltage Vcc(V)Input Voltage Vin(mV)Sep-VinInput Voltage Vin(mV)Supply Voltage Vcc(V)Modulation Frequency fm(Hz)  \nPilot signal Voltage Vp(ON/OFF)(mVrms)  \nChannel Separation Sep(dB)  \nModulation Frequency fm(Hz)  \nThis datasheet has been download from:  \nwww.datasheetcatalog.com  \nDatasheets for electronics components.","cbCaiiAvg2wfzPBS","https://ap.wps.com/l/cbCaiiAvg2wfzPBS","pdf",204803,"English","# Description\n# Features\n# Pin\n# Block Diagram\n# Absolute Maximum Ratings\n# Electrical Characteristics\n# Application Circuit\n# Characteristics Curve","[{\"question\":\"What is the AN7470 used for?\",\"answer\":\"The AN7470 is used for FM multiplex demodulator circuits in high-class stereo FM tuners.\"},{\"question\":\"What key features are highlighted for stereo and mono operation?\",\"answer\":\"It emphasizes small shock noise from switching, perfect synchronization for stereo/monaural switching, and operation tied to a stereo lamp, with a built-in post amplifier.\"},{\"question\":\"Which electrical characteristics are provided in the datasheet?\",\"answer\":\"The datasheet includes channel separation, voltage gain, channel balance, total harmonic distortion for stereo and mono, carrier leak, pilot on voltage, capture range, and signal-to-noise ratio.\"}]","AN7470 FM Stereo Multiplex Demodulator - Features, Pinout, Ratings, Electrical Characteristics | PDF",1791809707]