Ultralow Input Bias Current Operational Amplifier

GENERAL DESCRIPTION The AD5491 is a monolithic electrometer operational amplifier with very low input bias current. Input offset voltage and input offset voltage drift are laser trimmed for precision performance. The ultralow input current of the part is achieved with Topgate? JFET technology, a

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Ultralow Input Bias Current Operational Amplifier

FEATURES Ultralow input bias current 60 fA maximum (AD549L) 100 fA maximum (AD549K) 250 fA maximum (AD549J) Input bias current guaranteed over the common-mode voltage range Low offset voltage 0.50 mV maximum (AD549K) 1.00 mV maximum (AD549J) Low offset drift 15 μV/°C maximum (AD549K) 20 μ

文件：1.13293 Mbytes 頁(yè)數(shù)：18 Pages

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Ultralow Input Bias Current Operational Amplifier

文件：1.22293 Mbytes 頁(yè)數(shù)：19 Pages

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Ultralow Input Bias Current Operational Amplifier

文件：1.22613 Mbytes 頁(yè)數(shù)：20 Pages

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超低輸入偏置電流運(yùn)算放大器

AD549是一款單芯片靜電計(jì)運(yùn)算放大器，具有極低的輸入偏置電流。輸入失調(diào)電壓和輸入失調(diào)電壓漂移經(jīng)過(guò)激光校準(zhǔn)，精度極高。該器件運(yùn)用ADI公司開(kāi)發(fā)的Topgate? JFET技術(shù)，實(shí)現(xiàn)了超低輸入電流。借助這種技術(shù)，可以制造與標(biāo)準(zhǔn)結(jié)隔離式雙極性工藝兼容的極低輸入電流JFET。自舉輸入級(jí)提供1015 ?的共模阻抗，可確保輸入電流基本與共模電壓無(wú)關(guān)。\n\n AD549適合要求極低輸入電流和低輸入失調(diào)電壓的應(yīng)用。它可以作為出色的前置放大器用于各種電流輸出傳感器，例如光電二極管、光電倍增管或氧氣傳感器等，也可以用作精密積分器或低下垂采樣保持器。AD549與標(biāo)準(zhǔn)FET和靜電計(jì)運(yùn)算放大器引腳兼容，因 ? 超低輸入偏置電流\n? 60 fA（最大值，AD549L）\n\n? 100 fA（最大值，AD549K）\n\n? 250 fA（最大值，AD549J）\n\n\n\n\n? 在整個(gè)共模電壓范圍內(nèi)，保證輸入偏置電流符合額定性能\n\n? 低失調(diào)電壓\n? 0.50 mV（最大值，AD549K）\n\n? 1.00 mV（最大值，AD549J）\n\n\n\n\n? 低失調(diào)漂移\n? 15 μV/°C（最大值，AD549K）\n\n? 20 μV/°C（最大值，AD549J）\n\n\n\n\n? 低功耗\n? 700 μA最大電源電流\n\n\n\n\n? 低輸入電壓噪聲\n? 4 μV;

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Ultralow Input Bias Current Operational Amplifier

FEATURES Ultralow input bias current 60 fA maximum (AD549L) 100 fA maximum (AD549K) 250 fA maximum (AD549J) Input bias current guaranteed over the common-mode voltage range Low offset voltage 0.50 mV maximum (AD549K) 1.00 mV maximum (AD549J) Low offset drift 15 μV/°C maximum (AD549K) 20 μ

文件：1.13293 Mbytes 頁(yè)數(shù)：18 Pages

AD

亞德諾

Ultralow Input Bias Current Operational Amplifier

GENERAL DESCRIPTION The AD5491 is a monolithic electrometer operational amplifier with very low input bias current. Input offset voltage and input offset voltage drift are laser trimmed for precision performance. The ultralow input current of the part is achieved with Topgate? JFET technology, a

文件：418.53 Kbytes 頁(yè)數(shù)：12 Pages

AD

亞德諾

Ultralow Input Bias Current Operational Amplifier

GENERAL DESCRIPTION The AD5491 is a monolithic electrometer operational amplifier with very low input bias current. Input offset voltage and input offset voltage drift are laser trimmed for precision performance. The ultralow input current of the part is achieved with Topgate? JFET technology, a

文件：418.53 Kbytes 頁(yè)數(shù)：12 Pages

AD

亞德諾

Ultralow Input Bias Current Operational Amplifier

GENERAL DESCRIPTION The AD5491 is a monolithic electrometer operational amplifier with very low input bias current. Input offset voltage and input offset voltage drift are laser trimmed for precision performance. The ultralow input current of the part is achieved with Topgate? JFET technology, a

文件：418.53 Kbytes 頁(yè)數(shù)：12 Pages

AD

亞德諾

Ultralow Input Bias Current Operational Amplifier

FEATURES Ultralow input bias current 60 fA maximum (AD549L) 100 fA maximum (AD549K) 250 fA maximum (AD549J) Input bias current guaranteed over the common-mode voltage range Low offset voltage 0.50 mV maximum (AD549K) 1.00 mV maximum (AD549J) Low offset drift 15 μV/°C maximum (AD549K) 20 μ

文件：1.13293 Mbytes 頁(yè)數(shù)：18 Pages

AD

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