AD8609ARUZ-REEL

精密、微功耗、低噪声、CMOS、 轨到轨输入/输出运算放大器 AD8603/AD8607/AD8609 产品特性 应用 OUT 1 V– 2 AD8603 5 V+ 4 –IN TOP VIEW (Not to Scale) +IN 3 04356-001 引脚配置 图1. 5引脚TSOT(UJ后缀) OUT A 1 –IN A 2 AD8607 +IN A 3 TOP VIEW (Not to Scale) 8 V+ 7 OUT B 6 –IN B 5 +IN B 电池供电仪器仪表 V– 4 多极滤波器 图2. 8引脚MSOP(RM后缀) 04356-002 低失调电压：50 μV(最大值) 低输入偏置电流：1 pA(最大值) 单电源供电：1.8 V至5 V 低噪声：22 nV/√Hz 微功耗：50 μA(最大值) 低失真 无相位反转 单位增益稳定 低功耗ASIC输入或输出放大器 OUT A 1 –IN A 2 概述 AD8603/AD8607/AD8609分别是单通道/双通道/四通道、微 功耗、轨到轨输入和输出放大器，具有极低的失调电压以 AD8607 8 V+ 7 OUT B +IN A 3 6 –IN B TOP VIEW V– 4 (Not to Scale) 5 +IN B 04356-003 传感器 图3. 8引脚SOIC(R后缀) OUT A 1 14 OUT D 这些放大器采用专利微调技术，无需激光微调便可达到出 –IN A 2 13 –IN D 色的精度。三款器件均采用1.8 V至5.0 V单电源或±0.9 V至 +IN A 3 AD8609 12 +IN D ±2.5 V双电源供电。低失调、低噪声、极低输入偏置电流和 V+ 4 TOP VIEW (Not to Scale) 11 V– +IN B 5 10 +IN C –IN B 6 9 –IN C OUT B 7 8 OUT C 低功耗特性相结合，使AD8603/AD8607/AD8609特别适合 便携式和环路供电仪器仪表应用。 在输入与输出上还具有轨到轨摆幅能力，因而设计人员可 04356-004 及低输入电压噪声和电流噪声特性。 图4. 14引脚TSSOP(RU后缀) 以在低功耗、单电源系统中缓冲CMOS ADC、DAC、ASIC OUT A 1 14 OUT D –IN A 2 AD8603提 供 5引 脚 小 型 TSOT封 装 。 AD8607提 供 8引 脚 MSOP和8引脚SOIC两种封装。AD8609提供14引脚TSSOP 和14引脚SOIC两种封装。 +IN A 3 V+ 4 +IN B 5 13 –IN D AD8609 12 +IN D TOP VIEW 11 V– (Not to Scale) 10 +IN C –IN B 6 9 –IN C OUT B 7 8 OUT C 04356-005 及其它宽输出摆幅器件。 图5. 14引脚SOIC(R后缀) Rev. 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All rights reserved. AD8603/AD8607/AD8609 目录 产品特性 ............................................................................................. 1 应用.................................................................................................... 12 应用...................................................................................................... 1 无相位反转 ................................................................................. 12 概述...................................................................................................... 1 输入过压保护 ............................................................................. 12 引脚配置 ............................................................................................. 1 驱动容性负载 ............................................................................. 12 修订历史 ............................................................................................. 2 近物体传感器 ............................................................................. 13 技术规格 ............................................................................................. 3 复合放大器 ................................................................................. 13 电气特性........................................................................................ 3 电池供电应用 ............................................................................. 13 绝对最大额定值................................................................................ 5 光电二极管 ................................................................................. 13 ESD警告......................................................................................... 5 外形尺寸 ........................................................................................... 14 典型性能参数 .................................................................................... 6 订购指南...................................................................................... 16 修订历史 2008年6月—修订版B至修订版C 更改表1 ............................................................................................... 3 更改表2 ............................................................................................... 4 更改图15 ............................................................................................. 7 更改图33 ........................................................................................... 10 更改图45和图47 .............................................................................. 13 更新“外形尺寸”部分...................................................................... 14 更改“订购指南”部分...................................................................... 16 2005年6月—修订版A至修订版B 更新图49 ........................................................................................... 15 更改“订购指南”部分...................................................................... 17 2003年10月—修订版0至修订版A 增加AD8607和AD8609器件 .....................................................通篇 更改技术规格 .................................................................................... 3 更改图35 ........................................................................................... 10 增加图41 ........................................................................................... 11 2003年8月—修订版0：初始版 Rev. C | Page 2 of 16 AD8603/AD8607/AD8609 技术规格 电气特性 除非另有说明，VS = 5 V，VCM = VS/2，TA = 25°C。 表1. 参数 输入特性 失调电压 失调电压漂移 输入偏置电流 符号 条件 VOS VS = 3.3 V @ VCM = 0.5 V和2.8 V −0.3 V < VCM < +5.2 V −40°C < TA < +125°C, −0.3 V < VCM < +5.2 V −40°C < TA < +125°C ∆VOS/∆T IB 最小值 典型值 最大值 单位 12 40 1 0.2 −40°C < TA < +85°C −40°C < TA < +125°C 输入失调电流 IOS 0.1 −40°C < TA < +85°C −40°C < TA < +125°C 输入电压范围 共模抑制比 IVR CMRR 大信号电压增益 AD8603 AD8607/AD8609 输入电容 AVO 输出特性 高输出电压 低输出电压 0 V < VCM < 5 V −40°C < TA < +125°C RL = 10 kΩ, 0.5 V < VO < 4.5 V −0.3 85 80 VOL ISC ZOUT IL = 1 mA −40°C至+125°C IL = 10 mA −40°C至+125°C IL = 1 mA −40°C至+125°C IL = 10 mA −40°C至+125°C 100 1000 450 1.9 2.5 V/mV V/mV pF pF 4.95 4.9 4.65 4.50 4.97 V V V V mV mV mV mV mA Ω 4.97 16 160 PSRR ISY 1.8 V < VS < 5 V VO = 0 V −40°C