Dual/Quad Low Power, High Speed JFET Operational Amplifiers

GENERAL DESCRIPTION The AD8682 and AD8684 are dual and quad low power, precision (1 mV) JFET amplifiers featuring excellent speed at low supply currents. The slew rate is typically 9 V/μs with a supply current under 250 μA per amplifier. These unity-gain stable amplifiers have a typical gain ba

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30 V, Micropower, Overvoltage Protection, Rail-to-Rail Input/Output Amplifiers

FEATURES Input overvoltage protection, 32 V above and below the supply rails No phase reversal for input voltage up to ±32 V beyond the power supply Rail-to-rail input and output swing Low power: 60 μA per amplifier typical Unity-gain bandwidth 800 kHz typical at VSY = ±15 V 550 kHz typical

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Low Power JFET-Input Op Amps

FEATURES Low input bias current: 50 pA maximum Offset voltage 1.5 mV maximum for B grade (ADA4062-2 SOIC package) 2.5 mV maximum for A grade Offset voltage drift: 5 μV/°C typical Slew rate: 3.3 V/μs typical CMRR: 90 dB typical Low supply current: 165 μA typical High input impedance Unity

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Precision Micropower, OVP, RRIO Operational Amplifier

FEATURES Single-supply operation: 3.0 V to 30 V Wide input voltage range Rail-to-rail output swing Low supply current: 200 μA/amplifier Wide bandwidth: 1.2 MHz Slew rate: 0.46 V/μs Low offset voltage: 250 μV maximum No phase reversal Overvoltage protection (OVP) 25 V above/below supply rails

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Micropower RRIO Operational Amplifier

FEATURES Single-supply operation: 3 V to 30 V Wide input voltage range Rail-to-rail output swing Low supply current: 200 μA/amplifier Wide bandwidth: 1.4 MHz High phase margin: 69° Slew rate: 0.4 V/μs Low offset voltage: 1.50 mV maximum No phase reversal Overvoltage protection (OVP) 25 V above/

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Dual/Quad Low Power, High Speed JFET Operational Amplifiers

FEATURES Low supply current: 250 μA/amp maximum High slew rate: 9 V/μs Bandwidth: 3.5 MHz typical Low offset voltage: 1 mV maximum @ 25°C Low input bias current: 20 pA maximum @ 25°C CMRR: 90 dB typical Fast settling time Unity-gain stable APPLICATIONS Portable telecommunications Low po

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Dual/Quad Low Power, High Speed JFET Operational Amplifiers

文件：318.1 Kbytes 页数：16 Pages

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30 V, Micropower, Overvoltage Protection, Rail-to-Rail Input/Output Amplifier

文件：550.37 Kbytes 页数：20 Pages

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30 V, Micropower, Overvoltage Protection

文件：550.37 Kbytes 页数：20 Pages

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双路、低功耗、高速JFET运算放大器

AD8682和AD8684分别是双路和四路低功耗、精密（1 mV）JFET放大器，具有出色的速度和低电源电流特性。典型压摆率为9 V/μs，每个放大器的电源电流低于250μA。这些单位增益稳定型放大器的典型增益带宽为3.5 MHz。JFET输入级则可确保典型偏置电流仅数pA，且在整个工作温度范围内均小于125 pA。\n\n 上述器件非常适合便携式、低功耗应用，特别是较高源阻抗应用。两款放大器的单位增益稳定，可以驱动较高的容性负载（G = 1、同相），在各种条件下均具有出色的动态响应范围，并且能以低静态电流提供直流精度性能。 • 低电源电流：每个放大器250 µA(最大值)\n\n• 高压摆率：9 V/µs\n\n• 带宽：3.5 MHz(典型值)\n\n• 低失调电压：1 mV (最大值,25°C)\n\n• 低输入偏置电流：20 pA (最大值,25°C)\n\n• 共模抑制比(CMRR)：90 dB（典型值）\n\n• 快速建立时间\n\n• 单位增益稳定;

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