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AD8436

低成本、低功耗真RMS-to-DC轉(zhuǎn)換器; ? 提供交流波形的真RMS或平均整流值\n-任意輸入電平時(shí)均能迅速建立 \n-精度：±10 μV± 0.25%的讀數(shù)（B級）\n\n? 寬動態(tài)輸入范圍\n100 μV rms至3 V rms (8.5 V p-p) 滿量程輸入范圍\n采用外部調(diào)整時(shí)輸入值更大\n\n? 寬帶寬：\n?3 dB (300 mV) 帶寬為1 MHz\n1%附加誤差帶寬為65 kHz\n\n? 零轉(zhuǎn)換器直流輸出失調(diào)\n\n? 無殘留開關(guān)產(chǎn)物\n\n? 額定300 mV rms輸入;

AD8436是新一代精密跨導(dǎo)線性、低功耗、真RMS-TO-DC轉(zhuǎn)換器，可以載入多種選項(xiàng)。 它可以精確計(jì)算交流波形RMS值的直流等效值，包括由開關(guān)模式電源供電和三端雙向可控硅控制的復(fù)雜模式。 它能在很寬的輸入電平（見圖2）和溫度范圍提供高精度轉(zhuǎn)換。 憑借新的ADI公司技術(shù)，可確?！堋?.5%的精度以及≤10 μV的輸出失調(diào)。 CF值介于1到10時(shí)，波峰因素誤差小于0.5%。 AD8436提供真RMS結(jié)果，成本低于易令人誤解的峰值法、均值法或數(shù)字解決方案。 無需考慮編程成本或處理器開銷，4 mm x 4 mm封裝可輕松實(shí)現(xiàn)空間緊湊的應(yīng)用。 片上緩沖放大器能夠提供較寬的選擇范圍，適合的rms-to-dc轉(zhuǎn)換器，而不受成本影響。 成本較低的應(yīng)用只需一個外部求平均值電容。 內(nèi)置的高阻抗FET緩沖提供了一個接口，可用于外部衰減器、頻率補(bǔ)償或驅(qū)動低阻抗負(fù)載。 它擁有一對匹配的內(nèi)部電阻，可輕松實(shí)現(xiàn)增益為2或更高增益配置，可用輸入范圍還能夠擴(kuò)展至更低。 AD8436具有低功耗精密輸入緩沖，非常適合便攜式萬用表和其他電池供電應(yīng)用。 \n\n 由于消除了內(nèi)部偏置電流，驅(qū)動低阻抗負(fù)載時(shí)，精密直流輸出緩沖器可提供極低的失調(diào)電壓，將誤差降至較小。AD8436不同于數(shù)字解決方案，它在高低幅度時(shí)性能均不會受開關(guān)電路的限制（見圖2）。它能夠響應(yīng)<100 μV和>3 V的情況，擴(kuò)展了動態(tài)范圍，無需外部調(diào)整，并且可以適應(yīng)嚴(yán)苛的低電平信號條件，支持很寬的超量程而不會箝位。\n\n AD8436采用單電源或雙電源供電，電壓范圍為±2.4 V (4.8 V)至±18 V (36 V)。A級和J級采用緊湊的20引腳4 mm x 4 mm芯片級封裝；A級和B級還提供20引腳QSOP封裝。工作溫度范圍有兩種：A級和B級為?40°C至125°C，J級為0°C至70°C。\n\n

AD8436ACPZ-R7

Low Cost, Low Power

GENERALDESCRIPTION TheAD8436isanewgeneration,translinearprecision,lowpower,truerms-to-dcconverterloadedwithoptions.Itcomputesaprecisedcequivalentofthermsvalueofacwaveforms,includingcomplexpatternssuchasthosegeneratedbyswitchmodepowersuppliesandtriacs.It

AD8436ACPZ-RL

Low Cost, Low Power

GENERALDESCRIPTION TheAD8436isanewgeneration,translinearprecision,lowpower,truerms-to-dcconverterloadedwithoptions.Itcomputesaprecisedcequivalentofthermsvalueofacwaveforms,includingcomplexpatternssuchasthosegeneratedbyswitchmodepowersuppliesandtriacs.It

AD8436ACPZ-WP

Low Cost, Low Power

GENERALDESCRIPTION TheAD8436isanewgeneration,translinearprecision,lowpower,truerms-to-dcconverterloadedwithoptions.Itcomputesaprecisedcequivalentofthermsvalueofacwaveforms,includingcomplexpatternssuchasthosegeneratedbyswitchmodepowersuppliesandtriacs.It

AD8436-EVALZ

Low Cost, Low Power

GENERALDESCRIPTION TheAD8436isanewgeneration,translinearprecision,lowpower,truerms-to-dcconverterloadedwithoptions.Itcomputesaprecisedcequivalentofthermsvalueofacwaveforms,includingcomplexpatternssuchasthosegeneratedbyswitchmodepowersuppliesandtriacs.It

AD8436JCPZ-R7

Low Cost, Low Power

GENERALDESCRIPTION TheAD8436isanewgeneration,translinearprecision,lowpower,truerms-to-dcconverterloadedwithoptions.Itcomputesaprecisedcequivalentofthermsvalueofacwaveforms,includingcomplexpatternssuchasthosegeneratedbyswitchmodepowersuppliesandtriacs.It

AD8436JCPZ-RL

Low Cost, Low Power

GENERALDESCRIPTION TheAD8436isanewgeneration,translinearprecision,lowpower,truerms-to-dcconverterloadedwithoptions.Itcomputesaprecisedcequivalentofthermsvalueofacwaveforms,includingcomplexpatternssuchasthosegeneratedbyswitchmodepowersuppliesandtriacs.It

AD8436JCPZ-WP

Low Cost, Low Power

GENERALDESCRIPTION TheAD8436isanewgeneration,translinearprecision,lowpower,truerms-to-dcconverterloadedwithoptions.Itcomputesaprecisedcequivalentofthermsvalueofacwaveforms,includingcomplexpatternssuchasthosegeneratedbyswitchmodepowersuppliesandtriacs.It

AD843A

34 MHz/ CBFET Fast Settling Op Amp; ?? AC PERFORMANCE\n?? Unity Gain Bandwidth: 34 MHz\n?? Fast Settling: 135 ns to 0.01%\n?? Slew Rate: 250 V/ms\n?? Stable at Gains of 1 or Greater\n?? Full Power Bandwidth: 3.9 MHzDC PERFORMANCE\n?? Input Offset Voltage: 1 mV max (AD843K/B}\n?? Input Bias Current: 0.6 nA typ\n?? Input Voltage Noise: 19 nV/√Hz\n?? Open Loop Gain: 30 V/mV into a 500 VLoad\n?? Output Current: 50 mA min\n?? Supply Current: 13 mA max\n?? Available in 8-Pin Plastic Mini-DIP & Cerdip, 16-Pin SOIC, 20-Pin LCC and 12-Pin Hermetic Metal Can Packages\n?? Available in Tape and Reel in Accordance with EIA-481A Standard\n?? Chips and MIL-STD-883B Parts Also Available;

PRODUCT DESCRIPTION\nThe AD843 is a fast settling, 34 MHz, CBFET input op amp. The AD843 combines the low (0.6 nA) input bias currents characteristic of a FET input amplifier while still providing a 34 MHz bandwidth and a 135 ns settling time (to within 0.01% of final value for a 10 volt step). The AD843 is a member of the Analog Devices’ family of wide bandwidth operational amplifiers. These devices are fabricated using Analog Devices’ junction isolated complementary bipolar (CB) process. This process permits a combination of dc precision and wideband ac performance previously unobtainable in a monolithic op amp.FEATURES\n?? AC PERFORMANCE\n?? Unity Gain Bandwidth: 34 MHz\n?? Fast Settling: 135 ns to 0.01%\n?? Slew Rate: 250 V/ms\n?? Stable at Gains of 1 or Greater\n?? Full Power Bandwidth: 3.9 MHzDC PERFORMANCE\n?? Input Offset Voltage: 1 mV max (AD843K/B}\n?? Input Bias Current: 0.6 nA typ\n?? Input Voltage Noise: 19 nV/√Hz\n?? Open Loop Gain: 30 V/mV into a 500 VLoad\n?? Output Current: 50 mA min\n?? Supply Current: 13 mA max\n?? Available in 8-Pin Plastic Mini-DIP & Cerdip, 16-Pin SOIC, 20-Pin LCC and 12-Pin Hermetic Metal Can Packages\n?? Available in Tape and Reel in Accordance with EIA-481A Standard\n?? Chips and MIL-STD-883B Parts Also AvailableAPPLICATIONS\n?? High Speed Sample-and-Hold Amplifiers\n?? High Bandwidth Active Filters\n?? High Speed Integrators\n?? High Frequency Signal Conditioning

AD843A

34 MHz, CBFET Fast Settling Op Amp

PRODUCTDESCRIPTION TheAD843isafastsettling,34MHz,CBFETinputopamp.TheAD843combinesthelow(0.6nA)inputbiascurrentscharacteristicofaFETinputamplifierwhilestillprovidinga34MHzbandwidthanda135nssettlingtime(towithin0.01offinalvaluefora10voltstep).The