WMSIC Electronic Components

JSMSEMI SAD8605ARTZ-REEL7 SAD8605ARTZ

ModelSAD8605ARTZ-REEL7
PackageSOT-23-5L
BrandJSMSEMI
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
JSMSEMI SAD8605ARTZ-REEL7
Type
JSMSEMI
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JSMSEMI
Electronic Component
SAD8605ARTZ-REEL7
Electronic Component
1
Package
SOT-23-5L
Electronic Component
Precision Op Amp
Electronic Component
0.036g
Electronic Component
1
Electronic Component
Output
Features
Built-in
Electronic Component
BM0228788917
Operating Temperature
40℃~+125℃
Amplifier
Electronic Component
Output Current
40mA
(SR)
9V/us
Power Supply Voltage
2.5V~5.5V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

SAD8605ARTZ-REEL7 产品概述

一、概述

SAD8605ARTZ-REEL7 是杰盛微(JSMSEMI)推出的一款单通道轨到轨运算放大器,采用 SOT-23-5L 封装,面向便携与精密测量场景。器件在低功耗、低失调和极低输入偏置电流方面具有显著优势,适合要求高输入阻抗和良好共模抑制的前端放大应用。

二、主要电气特性

  • 共模抑制比(CMRR):84 dB
  • 噪声密度(eN):20 nV/√Hz @ 10 kHz
  • 输入/输出:轨到轨输入,轨到轨输出
  • 供电:单电源 2.5 V ~ 5.5 V;或对称双电源(典型 ±1.25 V ~ ±2.25 V),最大电源差 5.5 V
  • 输入失调电压(Vos):典型 2.5 mV,温漂 3 μV/°C
  • 输入偏置电流(Ib):1 pA,输入失调电流(Ios):1 pA
  • 增益带宽积(GBP):10 MHz;压摆率(SR):9 V/μs
  • 静态电流(Iq):1 mA;输出电流:±40 mA(典型)
  • 工作温度范围:-40 ℃ ~ +125 ℃

三、性能亮点与优势

  • 极低输入偏置电流(1 pA):非常适合连接高阻抗传感器(如电化学传感器、霍尔探测器、压电传感器)和电荷放大器前端,能最大程度减少误差电流带来的漂移。
  • 轨到轨 I/O:在低电压单电源或窄范围双电源系统中,能够获得更宽的输入和输出摆幅,提高系统动态范围。
  • 低噪声设计:20 nV/√Hz 的噪声密度在多数精密模拟测量和信号调理中表现良好,配合 10 MHz 的带宽和 9 V/μs 的压摆率,可胜任滤波、缓冲和驱动中等带宽负载。
  • 低功耗:1 mA 的静态电流适合电池供电应用,兼顾功耗与响应性能。

四、典型应用场景

  • 精密传感器前端:电阻应变计、热电偶放大、光电二极管/光电倍增管前置放大器
  • 便携式数据采集与便携式医疗仪器:要求低功耗与高输入阻抗
  • 仪表放大器、缓冲放大、主动滤波器与差分信号转换
  • 驱动小型继电器、指示灯或作为模拟开关驱动的缓冲器(受输出电流 ±40 mA 限制)

五、封装与订购信息

  • 品牌:JSMSEMI(杰盛微)
  • 型号:SAD8605ARTZ-REEL7
  • 封装:SOT-23-5L,适合小尺寸 PCB 布局与卷带(REEL)贴片生产,便于表贴自动化装配

六、设计注意事项

  • 电源旁路:建议在近引脚处放置 0.1 μF 陶瓷旁路电容以抑制高频噪声,必要时并联 1 μF 电解/钽电容以提高低频稳定性。
  • 共模范围与输入保护:尽管为轨到轨输入,极端靠近电源轨时仍可能出现性能退化,设计时预留一定余量并考虑输入限流保护。
  • 负载与稳定性:器件能驱动较大的负载(40 mA),但在驱动较大电容性负载时应评估相位裕度,必要时在输出与地之间并联小电阻或使用缓冲网络以稳定输出。
  • 温度漂移与校准:Vos 为 2.5 mV,温漂 3 μV/°C;在高精度系统中应考虑初始失调调零与温度校准策略。
  • PCB 布局:输入端应尽量靠近被测源,防止长走线引入噪声;敏感模拟地与功率地分离并通过星形或单点方式连接。

七、总结

SAD8605ARTZ-REEL7 提供了低偏置电流、轨到轨 I/O、低功耗与中等带宽的综合特性,适用于便携、精密测量与高输入阻抗场合。通过合理的电源去耦和布局设计,可以在宽温度范围内实现稳定、低噪声的信号调理表现。如需进一步的电路范例、特性曲线或封装图纸,请在后续提供额外资料索取。

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