[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-561156-105":59,"doc-detail-561156-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","silicore-cd2025b-description-features-ratings-and-application-information","Silicore CD2025B - Description, Features, Ratings, and Application Information","","Silicore CD2025B is a monolithic integrated circuit featuring a 2-channel power amplifier for stereo and bridge applications in radio cassette tape recorders. Key specifications include high output power (2.3 W typ in stereo at 9 V into 4 ohm; 4.7 W typ in bridge at 9 V into 8 ohm), low switching distortion, low power-on/off shock noise via built-in muting, and good ripple rejection. Electrical characteristics cover fixed closed-loop voltage gain (45 dB stereo, 51 dB bridge), input resistance, output noise voltage, THD, and channel separation, with stereo and bridge application circuit guidance.",{"@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/silicore-cd2025b-description-features-ratings-and-application-information/561156/",{"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/silicore-cd2025b-description-features-ratings-and-application-information/561156.png","ImageObject",300,407,{"name":92,"@type":93},"McQueen","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-22","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":34},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the CD2025B used for?","Question",{"text":112,"@type":113},"CD2025B is a 2-channel power amplifier IC suitable for stereo operation and bridge amplifier operation in radio cassette tape recorder systems.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What are the typical output power values at Vcc=9V?",{"text":117,"@type":113},"In stereo, Po is about 2.3 W typ with RL=4 ohm. In bridge mode, Po is about 4.7 W typ with RL=8 ohm.",{"name":119,"@type":110,"acceptedAnswer":120},"How does the closed-loop voltage gain work in stereo and bridge modes?",{"text":121,"@type":113},"The closed-loop voltage gain is fixed at 45 dB for stereo and 51 dB for bridge, with the possibility of adjusting using externally added resistors.","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},561156,1791830107,{"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":34,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"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":39},5909890329169,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","Silicore  \n2.3W DUAL AUDION POWER AMP CD2025B  \nDESCRIPTION Outline Drawing  \nThe CD2025B i s a monolithic integrated circuit consisting of a 2-channel power amplifier. It is suitable for stereo and bridge amplifier application of radio cassette tape recorder.  \nFEATURES  \nz High output power  \nStereo: Po=2 . 3W (Typ) at V cc=9V, RL =4 Ω  \nBridge: Po=4 . 7W (Typ) at Vcc=9V, RL =8 Ω  \nz Low switching distortion at high frequency.  \nz Small shock noise at the time of power on /off due to a built-in muting circuit  \nz Good ripple rejection due to a built-in ripple filter.  \nz Good channel separation .  \nz Soft tone at the time of output saturation.  \nz Closed loop voltage gain fixed 45 dB (Bridge: 51dB) but availability with external resistor added.  \nz Minimum number of external parts required.  \nz Easy to design radiator fin.  \nBLOCK DIAGRAM AND PIN CONNECTION  \nPRE GND IN1 NF1 POWER GND BS1 OUT1 Vcc  \nR.R IN2 NF2 POWER GND BS2 OUT2 BTL OUT  \nSHAOXING SILICORE TECHNOLOGY CO.,LTD 1/3  \n[www. Silicore. com. cn](www. Silicore. com. cn)  \nCHMC  \nSilicore CD2025B  \nABSOLUTE MAXIMUM RATINGS (Ta=25 ° C)  \n\n| Characteristic | Symbol | Value | Unit |\n| --- | --- | --- | --- |\n| Supply Voltage | V cc | 15 | V |\n| Power Dissipation | PD | 4* | W |\n| Operating Temperature | Topr | -20~70 | ° C |\n| Storage Temperature | Ts tg | -40~150 | ° C |\n\n*Fin is soldering on the PCB  \nELECTRICAL CHARACTERISTICS  \n(unless otherwise specified: Ta =2 5 ° C, V cc=9V; Rg=6 00 Ω, f=1kHz)  \n\n| Characteristics | Test conditions |  | Symbol | Min . | Ty p . | Max . | Unit |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n| Operating Supply Voltage |  |  | V cc |  | 9 | 11 | V |\n| Quiescent circuit current | Vi =0V, Stereo |  | ICC Q |  | 40 | 55 | mA |\n| Closed loop Voltage Gain | Stereo | Vi = -45dBm | Gvc | 43 | 45 | 47 | dB |\n|  | Bridge |  |  | 49 | 51 | 53 | dB |\n| Channel Balance | Stereo |  | CB | -1 | 0 | +1 | dB |\n| Output Power | Stereo | THD=10%, RL =4 Ω | Po | 1.7 | 2.3 |  | W |\n|  |  | THD=10%, RL =8 Ω |  |  | 1.3 |  |  |\n|  | Bridge | THD=10%, RL =8 Ω |  |  | 4.7 |  |  |\n| Total Harmonic Distortion | Stereo | Po=250 mW RL =4 Ω | THD |  | 0.3 | 1.5 | % |\n|  | Bridge |  |  |  | 0.5 |  |  |\n| Input Resistance |  |  | Ri | 21 | 30 |  | k Ω |\n| Ripple Rejection Ratio | Stereo, Rg =0 Ω , Vi =150mW f=100Hz |  | RR | 40 | 46 |  | dB |\n| Output Noise Voltage | Stereo Rg=0 Ω |  | V NO |  | 0.3 | 1.0 | mV |\n|  | Stereo Rg=10k Ω |  |  |  | 0.5 | 2.0 |  |\n| Cross Talk | Stereo Rg=10k Ω Vo = 0 dB m |  | CT | 40 | 55 |  | dB |\n\nSHAOXING SILICORE TECHNOLOGY CO.,LTD 2/3  \n[www. Silicore. com. cn](www. Silicore. com. cn)  \nCHMC  \nSilicore CD2025B  \nBRIDGE AMPLIFIER TEST AND APPLICATION CIRCUIT  \n470uF  \nVcc  \n1000uF  \nRL  \n100uF  \n0. 15uF  \n0. 15uF  \n470uF  \nAPPLICATION INFORMATION  \n1. Stereo application  \n(1) Fixed Voltage gain (Pin 9 connected to GND directly ) Gv=20 log( R1/R2)  \n(2) Variable voltage gain  \n(Rf and C, Connected with pin 9) Gv=20 log (R1/(R2+Rf)  \n2.Bridge application  \nC4 RL C6   \n(1) Fixed voltage gain (pin 9 connected to GND directly) Gv =2 0log (R1 / R2 )  \n(2)Variable voltage gain Rf and C1 connected with pin 9 Gv=20 log (R1/(R2+Rf))  \nSHAOXING SILICORE TECHNOLOGY CO.,LTD 3/3  \n[www. Silicore. com. cn](www. Silicore. com. cn)  \nCHMC","cbCaijoLK8rfJlFl","https://ap.wps.com/l/cbCaijoLK8rfJlFl","pdf",56206,"English","# Description\n# Features\n# Block Diagram and Pin Connection\n# Absolute Maximum Ratings\n# Electrical Characteristics\n# Bridge Amplifier Test and Application Circuit\n# Application Information\n## Stereo application\n## Bridge application","[{\"question\":\"What is the CD2025B used for?\",\"answer\":\"CD2025B is a 2-channel power amplifier IC suitable for stereo operation and bridge amplifier operation in radio cassette tape recorder systems.\"},{\"question\":\"What are the typical output power values at Vcc=9V?\",\"answer\":\"In stereo, Po is about 2.3 W typ with RL=4 ohm. In bridge mode, Po is about 4.7 W typ with RL=8 ohm.\"},{\"question\":\"How does the closed-loop voltage gain work in stereo and bridge modes?\",\"answer\":\"The closed-loop voltage gain is fixed at 45 dB for stereo and 51 dB for bridge, with the possibility of adjusting using externally added resistors.\"}]","Silicore CD2025B - Description, Features, Ratings, and Application Information | PDF",1791805138]