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          型號(hào)下載 訂購(gòu)功能描述制造商 上傳企業(yè)LOGO
          
                    
          MAX749
          Digitally Adjustable LCD Bias Supply
          
General Description
The MAX749 generates negative LCD-bias contrast voltages from 2V to 6V inputs. Full-scale output voltage can be scaled to -100V or greater, and is digitally adjustable in 64 equal steps by an internal digital-to-analog converter (DAC). Only seven small surfacemount components 
          文件：105.77 Kbytes 頁(yè)數(shù)：12 Pages
          MAXIM
          美信
          

          MAX749
          數(shù)字調(diào)節(jié)LCD偏置電源
          MAX749在2V至6V輸入范圍內(nèi)產(chǎn)生負(fù)LCD偏置對(duì)比電壓。滿(mǎn)量程輸出電壓可調(diào)節(jié)至-100V或更高，并可通過(guò)內(nèi)部數(shù)模轉(zhuǎn)換器(DAC)以64個(gè)相等步進(jìn)進(jìn)行數(shù)字調(diào)節(jié)。只需要七個(gè)小型表面貼裝元件即可構(gòu)建完整的電源。也可以使用PWM信號(hào)或電位計(jì)來(lái)調(diào)節(jié)輸出電壓。\n\n      獨(dú)特的限流控制方案降低了電源電流并有效提高了效率，同時(shí)高開(kāi)關(guān)頻率（高達(dá)500kHz）有效減小了外部元件的尺寸。靜態(tài)電流最大值僅為60μA，并在關(guān)斷模式下降至15μA以下。關(guān)斷時(shí)，MAX749保留電壓設(shè)定點(diǎn)，簡(jiǎn)化了軟件控制。MAX749驅(qū)動(dòng)外部P溝道MOSFET或PNP晶體管。  ? 輸入電壓范圍：+2.0V至+6.0V\n\n? 靈活控制輸出電壓：\n? 數(shù)字控制\n\n? 電位器調(diào)整\n\n? 脈寬調(diào)制控制\n\n\n\n\n? 輸出電壓范圍由一個(gè)電阻設(shè)置\n\n? 低靜態(tài)電流：60μA（最大值）\n\n? 關(guān)斷模式下15μA（最大值）\n\n? 小尺寸，8引腳SO和塑料DIP封裝;
          ADI
          亞德諾
          

          MAX7490
          Dual Universal Switched-Capacitor Filters
          
General Description
The MAX7490/MAX7491 consist of two identical low power, low-voltage, wide dynamic range, rail-to-rail, 2nd-order switched-capacitor building blocks. Each of the two filter sections, together with two to four external resistors, can generate all standard 2nd-order functions: ba
          文件：343.78 Kbytes 頁(yè)數(shù)：18 Pages
          MAXIM
          美信
          

          MAX7490
          Dual Universal Switched-Capacitor Filters
          
General Description
The MAX7490/MAX7491 consist of two identical low power, low-voltage, wide dynamic range, rail-to-rail, 2nd-order switched-capacitor building blocks. Each of the two filter sections, together with two to four external resistors, can generate all standard 2nd-order functions: ba
          文件：360.88 Kbytes 頁(yè)數(shù)：18 Pages
          MAXIM
          美信
          

          MAX7490_09
          Dual Universal Switched-Capacitor Filters
          
General Description
The MAX7490/MAX7491 consist of two identical low power, low-voltage, wide dynamic range, rail-to-rail, 2nd-order switched-capacitor building blocks. Each of the two filter sections, together with two to four external resistors, can generate all standard 2nd-order functions: ba
          文件：360.88 Kbytes 頁(yè)數(shù)：18 Pages
          MAXIM
          美信
          

          MAX7490CEE
          Dual Universal Switched-Capacitor Filters
          
General Description
The MAX7490/MAX7491 consist of two identical low power, low-voltage, wide dynamic range, rail-to-rail, 2nd-order switched-capacitor building blocks. Each of the two filter sections, together with two to four external resistors, can generate all standard 2nd-order functions: ba
          文件：343.78 Kbytes 頁(yè)數(shù)：18 Pages
          MAXIM
          美信
          

          MAX7490CEE+
          Dual Universal Switched-Capacitor Filters
          
General Description
The MAX7490/MAX7491 consist of two identical low power, low-voltage, wide dynamic range, rail-to-rail, 2nd-order switched-capacitor building blocks. Each of the two filter sections, together with two to four external resistors, can generate all standard 2nd-order functions: ba
          文件：360.88 Kbytes 頁(yè)數(shù)：18 Pages
          MAXIM
          美信
          

          MAX7490EEE
          Dual Universal Switched-Capacitor Filters
          
General Description
The MAX7490/MAX7491 consist of two identical low power, low-voltage, wide dynamic range, rail-to-rail, 2nd-order switched-capacitor building blocks. Each of the two filter sections, together with two to four external resistors, can generate all standard 2nd-order functions: ba
          文件：343.78 Kbytes 頁(yè)數(shù)：18 Pages
          MAXIM
          美信
          

          MAX7490EEE+
          Dual Universal Switched-Capacitor Filters
          
General Description
The MAX7490/MAX7491 consist of two identical low power, low-voltage, wide dynamic range, rail-to-rail, 2nd-order switched-capacitor building blocks. Each of the two filter sections, together with two to four external resistors, can generate all standard 2nd-order functions: ba
          文件：360.88 Kbytes 頁(yè)數(shù)：18 Pages
          MAXIM
          美信
          

          MAX7490-MAX7491
          Dual Universal Switched-Capacitor Filters
          
General Description
The MAX7490/MAX7491 consist of two identical low power, low-voltage, wide dynamic range, rail-to-rail, 2nd-order switched-capacitor building blocks. Each of the two filter sections, together with two to four external resistors, can generate all standard 2nd-order functions: ba
          文件：343.78 Kbytes 頁(yè)數(shù)：18 Pages
          MAXIM
          美信
          

          
            
          
		
        
          
            
          
                
          技術(shù)參數(shù)
          
            
          
            
            
            	
          • VIN (max)(V)：
            6
          • VOUT1 (min)(V)：
            -2.0
          • VOUT1 (max)(V)：
            -100.0
          • IOUT1 (max)(A)：
            0.1
          • Switch Type：
            External
          • Output Adjust. Method：
            Resistor
          • ICC (max)(mA)：
            0.06
          • # DC-DC Outputs：
            1
          • Switching Frequency(kHz)：
            500
          • Features：
            Current Limit
          • EV Kit Available：
            Yes
          • Oper. Temp.(°C)：
            -40 to +85
          • Package/ Pins：
            PDIP/8
          • Smallest Available Pckg. (max w/pins)(mm2)：
            31
          • RoHS Available：
            Yes
          • Budgetary Price (See Notes)：
            $2.93 @1k
          
            
          
        
          
            
          供應(yīng)商型號(hào)品牌批號(hào)封裝庫(kù)存備注價(jià)格
          
                
          



          MAX
          		

          23+
          		

          SOP8
          		

          7512
          		

          絕對(duì)全新原裝!現(xiàn)貨!特價(jià)!請(qǐng)放心訂購(gòu)!
          		
詢(xún)價(jià)
          

          



          		

          24+
          		

          		

          3000
          		

          公司現(xiàn)貨
          		
詢(xún)價(jià)
          

          



          MAX
          		

          25+
          		

          SOP-8
          		

          2987
          		

          只售原裝自家現(xiàn)貨!誠(chéng)信經(jīng)營(yíng)!歡迎來(lái)電!
          		
詢(xún)價(jià)
          

          



          MAX
          		

          25+
          		

          SOP-8
          		

          3200
          		

          全新原裝、誠(chéng)信經(jīng)營(yíng)、公司現(xiàn)貨銷(xiāo)售!
          		
詢(xún)價(jià)
          

          



          ADI
          		

          25+
          		

          Plastic Dual-In-Line, Narrow (
          		

          5500
          		

          數(shù)字調(diào)節(jié)LCD偏置電源
          		
詢(xún)價(jià)
          

          



          MAXIM
          		

          25+
          		

          SOP
          		

          18000
          		

          原廠(chǎng)直接發(fā)貨進(jìn)口原裝
          		
詢(xún)價(jià)
          

          



          MAXIM
          		

          05+
          		

          原廠(chǎng)原裝
          		

          4483
          		

          只做全新原裝真實(shí)現(xiàn)貨供應(yīng)
          		
詢(xún)價(jià)
          

          



          MAX
          		

          2015+
          		

          SOP/DIP
          		

          19889
          		

          一級(jí)代理原裝現(xiàn)貨,特價(jià)熱賣(mài)!
          		
詢(xún)價(jià)
          

          



          MAXIM
          		

          13+
          		

          N.SO
          		

          3738
          		

          原裝分銷(xiāo)
          		
詢(xún)價(jià)
          

          



          max
          		

          24+
          		

          N/A
          		

          6980
          		

          原裝現(xiàn)貨,可開(kāi)13%稅票
          		
詢(xún)價(jià)
          

            
          
        
          
        
          更多MAX749供應(yīng)商
            更新時(shí)間2026-1-19 16:33:00
        
          
        
          
          
          
            
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