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Slkor LM393
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Slkor LM393
- Type
- SLKOR
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SLKOR
- Electronic Component
- LM393
- Electronic Component
- 1
- Package
- SOP-8
- Electronic Component
- Comparator
- Electronic Component
- 0.19g
- Power Supply
- 2V~36V
- Electronic Component
- 1
- Electronic Component
- BM0230871901
- Operating Temperature
- 0℃~+70℃
- Comparator
- Electronic Component
- Output
- MOS；DTL；TTL；CMOS；ECL
- (tr)
- 1.3us
- Static Current(Iq)
- 590uA
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LM393（Slkor 萨科微）双路比较器 产品概述
一、产品简介
LM393 是一款双路低功耗比较器，Slkor（萨科微）提供的该器件封装为 SOP-8，适用于电平比较、窗口检测、震荡器和开关检测等场合。器件采用开路输出结构，可与多种逻辑电平兼容（MOS、DTL、TTL、CMOS、ECL），并可在宽电源电压范围内稳定工作。
二、主要参数
- 比较器数量：双路
- 输入失调电压 Vos：800 μV
- 输入偏置电流 Ib：4.2 nA
- 输入失调电流 Ios：2.3 nA
- 响应时间 tr：1.3 μs（典型）
- 静态电流 Iq：590 μA
- 电源范围：单电源 2 V ~ 36 V；最大电源差值 36 V；双电源支持 ±1 V ~ ±18 V（等效）
- 工作温度：0 ℃ ~ +70 ℃
- 输出类型：开路集电极，兼容 MOS/DTL/TTL/CMOS/ECL 逻辑
- 封装：SOP-8（表面贴装）
三、功能特点
- 低静态电流，适合电池供电或低功耗系统。
- 输入偏置与失调电流小，有利于高阻抗传感器直连。
- 快速响应（约 1.3 μs），能满足一般控制与检测速度要求。
- 输出为开路结构，用户可根据需要选择合适的上拉电阻和电平，灵活性高。
- 工作电压范围宽，可用于多种单/双供电场景。
四、典型应用
- 报警与阈值检测（过压/欠压、光电传感）
- 电压比较与电平转换
- 零交叉检测与脉冲整形
- 传感器信号放大后比较（电流/电压传感）
- 开关量产生与模数混合接口
五、封装与引脚说明（SOP-8 典型引脚）
- Pin1：输出 A
- Pin2：反相输入 A (−)
- Pin3：同相输入 A (+)
- Pin4：V−（负电源/接地）
- Pin5：同相输入 B (+)
- Pin6：反相输入 B (−)
- Pin7：输出 B
- Pin8：V+（正电源）
（实际封装图请参照厂商数据手册以确认引脚排列）
六、使用要点与注意事项
- 输出为开路集电极，需要外接上拉电阻；上拉电压应在器件最大允差范围内并与后级逻辑兼容。
- 虽具有宽供电范围，设计时应避免输入端电压超过供电轨，以防损坏。
- 高阻抗信号源连接时注意输入静电保护和隔离，避免偏置电流引入误差。
- 在快速开关场合合理选择上拉电阻以平衡速度与功耗。
- 工作温度仅列出常温商用范围（0~+70 ℃），高温或工业环境需选用相应等级器件或评估可靠性。
七、选型建议与小结
LM393（Slkor 萨科微）以其低功耗、小偏置电流和宽电源范围适合多数通用比较场合。若需要更低失调、更宽温度范围或更高速度，可参考更高级别比较器或专用型号。选择时请结合系统电源、电平兼容性、响应速度及封装要求综合评估，并以厂商数据手册为准进行最终设计。
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