AD8643

Low Power, Rail-to-Rail Output, Precision JFET Amplifiers

FEATURESLowsupplycurrent:250μAmax Verylowinputbiascurrent:1pAmaxLowoffsetvoltage:750μVmax Single-supplyoperation:5Vto26VDual-supplyoperation:±2.5Vto±13V Rail-to-railoutput Unity-gainstable NophasereversalSC70packageAPPLICATIONS Line-/battery-poweredins

AD8643

Low Power JFET-Input Op Amps

FEATURES Lowinputbiascurrent:50pAmaximum Offsetvoltage 1.5mVmaximumforBgrade(ADA4062-2SOICpackage) 2.5mVmaximumforAgrade Offsetvoltagedrift:5μV/°Ctypical Slewrate:3.3V/μstypical CMRR:90dBtypical Lowsupplycurrent:165μAtypical Highinputimpedance Unity

AD8643

低功耗、轨到轨输出、精密JFET四路放大器; • 低电源电流：每个放大器250 µA(最大值)\n\n• 极低输入偏置电流：1 pA(最大值)\n\n• 低失调电压：750 µV(最大值)\n\n• 单电源供电：5 V至26 V\n\n• 双电源供电： ±2.5 V至 ±13 V\n\n• 轨到轨输出\n\n• 单位增益稳定\n\n• 3mm x 3mm LFCSP和SOIC封装;

AD8641/AD8642/AD8643均为低功耗、精密JFET输入放大器，具有低输入偏置电流和轨到轨输出特性。AD8641系列具有高源阻抗、低偏置电流和低电源电流特性，这对于ECG/EKG监测仪、睡眠监测和血液分析仪等应用非常重要。此外还具有轨到轨输出摆幅能力，使设计人员可以在单电源系统中缓冲宽输出摆幅器件。\n\n AD8641系列还非常适合采用多通道电路板、要求低功耗、便于散热管理的应用。其它应用包括光电二极管、ATE基准电平驱动器、电池管理和工业控制。\n\n AD8641系列的额定温度范围为-40℃至+125℃扩展工业温度范围，AD8641提供5引脚SC70和8引脚SOIC表面贴装两种封装。AD8642采用8引脚MSOP和8引脚SOIC两种封装。AD8643采用3mm x 3mm、16引脚LFCSP和14引脚SOIC两种封装。\n\n

AD8643

Low Power, Rail-to-Rail Output Precision JFET Amplifier

AD8643

Low Power, Rail-to-Rail Output, Precision JFET Amplifiers

AD8643ACPZ-R2

丝印：AUA；Package：LFCSP；Low Power, Rail-to-Rail Output, Precision JFET Amplifiers

FEATURESLowsupplycurrent:250μAmax Verylowinputbiascurrent:1pAmaxLowoffsetvoltage:750μVmax Single-supplyoperation:5Vto26VDual-supplyoperation:±2.5Vto±13V Rail-to-railoutput Unity-gainstable NophasereversalSC70packageAPPLICATIONS Line-/battery-poweredins

AD8643ACPZ-REEL7

丝印：AUA；Package：LFCSP；Low Power, Rail-to-Rail Output, Precision JFET Amplifiers

FEATURESLowsupplycurrent:250μAmax Verylowinputbiascurrent:1pAmaxLowoffsetvoltage:750μVmax Single-supplyoperation:5Vto26VDual-supplyoperation:±2.5Vto±13V Rail-to-railoutput Unity-gainstable NophasereversalSC70packageAPPLICATIONS Line-/battery-poweredins

AD8643ARZ

Low Power, Rail-to-Rail Output, Precision JFET Amplifiers

FEATURESLowsupplycurrent:250μAmax Verylowinputbiascurrent:1pAmaxLowoffsetvoltage:750μVmax Single-supplyoperation:5Vto26VDual-supplyoperation:±2.5Vto±13V Rail-to-railoutput Unity-gainstable NophasereversalSC70packageAPPLICATIONS Line-/battery-poweredins

AD8643ARZ-REEL7

Low Power, Rail-to-Rail Output, Precision JFET Amplifiers

FEATURESLowsupplycurrent:250μAmax Verylowinputbiascurrent:1pAmaxLowoffsetvoltage:750μVmax Single-supplyoperation:5Vto26VDual-supplyoperation:±2.5Vto±13V Rail-to-railoutput Unity-gainstable NophasereversalSC70packageAPPLICATIONS Line-/battery-poweredins

AD8643_15

Low Power, Rail-to-Rail Output, Precision