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Hottech LM358
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Hottech LM358
- Type
- HOTTECH
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HOTTECH
- Electronic Component
- LM358
- Electronic Component
- 1
- Package
- SOP-8
- Electronic Component
- Operational Amplifier
- Electronic Component
- 0.191g
- Electronic Component
- 1
- Electronic Component
- BM0227655799
- Operating Temperature
- 25℃~+85℃
- Amplifier
- 2
- Output Current
- 20mA
- Power Supply Voltage
- 0V~32V
- Static Current(Iq)
- 500uA
- Electronic Component
- Electronic Component
- Electronic Component
- 2500
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LM358（Hottech 合科泰）产品概述
一、产品简介
LM358 是一款双路低功耗运算放大器，Hottech（合科泰）生产的 SOP-8 封装版本适用于单电源或对称双电源系统。器件支持单电源工作电压范围 0V ～ 32V（或双电源 ±16V），最大电源宽度为 32V。该器件在低电源电流条件下提供稳定的直流特性与良好的共模抑制，适合低频信号的放大与调理。
主要参数（典型/最大值）：
- 放大器数：双路
- 最大电源宽度 (Vdd-Vss)：32V
- 输入失调电压 (Vos)：5mV
- 输入失调电压温漂 (Vos TC)：7µV/℃
- 输入偏置电流 (Ib)：150nA
- 输入失调电流 (Ios)：3nA
- 输入失调电流温漂 (Ios TC)：10pA/℃
- 共模抑制比 (CMRR)：90dB
- 静态电流 (Iq)：500µA
- 输出电流：20mA
- 工作温度：-25℃ ～ +85℃
- 封装：SOP-8
- 品牌：Hottech（合科泰）
二、主要性能特点
- 支持宽电源范围，单电源即可工作，输入共模范围可接近地电位，便于低压系统设计。
- 低静态电流（Iq≈500µA），适合对功耗敏感的便携设备与长时间工作场合。
- 良好的共模抑制与较小的输入失调（Vos≈5mV），在多数通用放大应用中能满足精度需求。
- 输出驱动能力可达 20mA，适合驱动小负载或后级器件。
- 封装常见、兼容性好，便于替换与批量采购。
三、典型应用场景
- 传感器信号调理与放大（温度、光电、压力等低频信号）。
- 有源滤波器、积分器与低通/高通电路。
- 电压跟随/缓冲器，用于阻抗匹配。
- 低速比较或阈值检测（注意：非专用比较器，响应速度与输出特性与专用比较器不同）。
- 电源监测、偏置电路与模拟子系统中常见的通用放大任务。
四、使用建议与注意事项
- 电源引脚应并联适当的去耦电容（如 0.1µF 陶瓷 + 10µF 电解）以抑制瞬态和噪声。
- 输入和输出应避免超出电源轨；尽管输入共模可接近地，但输出并非完全轨到轨，接近 Vcc 端时可能有饱和裕量。
- 对于高精度应用可采用失调调整或外部校准以补偿 Vos 与温漂。
- 不推荐将 LM358 替代高速或专用比较器使用，若需快速开关或较大输出摆幅应选用专用器件。
- PCB 布局上注意模拟地回流、短电源走线与热源分隔以减小漂移与噪声影响。
五、封装与采购提示
Hottech（合科泰）LM358 常见封装为 SOP-8，适合 DIP/SMD 转换与自动化贴片。选购时请确认完整型号与批次，查阅厂商数据手册以获得典型特性曲线、引脚排列和温度/功耗限制，确保与系统需求匹配。
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