WMSIC Electronic Components

LX LMV393IDR(LX) LMV393IDR

ModelLMV393IDR(LX)
PackageSOP-8
BrandLX
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LX LMV393IDR(LX)
Type
LX
Minimum package
4000 卷

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LX
Electronic Component
LMV393IDR(LX)
Electronic Component
1
Package
SOP-8
Electronic Component
Comparator
Electronic Component
0.176g
Power Supply
2.5V~5.5V
Electronic Component
1
Electronic Component
Electronic Component
Features
Electronic Component
Electronic Component
BM0264498254
Operating Temperature
40℃~+125℃
Comparator
Electronic Component
Output Type
Electronic Component
Static Current(Iq)
60uA

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

LMV393IDR(LX) 双路开漏比较器产品概述

一、产品基本定位与核心设计方向

LMV393IDR(LX)是灵星芯微(LX)推出的工业级双路通用比较器,针对低功耗、宽温环境及小信号检测场景优化设计,采用SOP-8小体积封装,兼顾性能与成本,可广泛适配便携设备、工业控制、汽车电子(辅助)等领域的信号比较需求。其核心设计围绕「低偏置、低功耗、宽输入范围、工业级可靠性」展开,解决传统比较器在低信号幅度、电池供电场景下的性能短板。

二、关键电气参数与性能优势

2.1 输入特性:轨到轨+低失调设计

  • 轨到轨输入:输入电压范围覆盖电源电压全区间(单电源2.5V~5.5V下,输入可从GND到VCC),无需额外偏置电路,简化系统设计;
  • 低失调与偏置:输入失调电压(Vos)仅1mV,输入失调电流(Ios)和偏置电流(Ib)均为5pA——远低于传统比较器(如LM339的Ib≈20nA),适合检测μV级小信号,避免偏置电流对微弱信号的干扰;
  • 共模抑制比(CMRR)70dB:有效抑制共模噪声,提升高噪声环境下的信号比较准确性。

2.2 输出与功耗:开漏灵活+低静态电流

  • 开漏输出:输出无内部上拉,可通过外部电阻配置上拉至3.3V/5V/12V(需匹配电源电压),兼容TTL/CMOS逻辑电平,支持多设备总线连接;
  • 低功耗:静态电流(Iq)仅60μA,单电源供电下功耗极低,适合电池供电的便携设备(如智能手环、手持测试仪)及低功耗工业节点;
  • 传播延迟:典型传播延迟300ns(轻载),重载下750ns,满足一般实时信号比较需求(如过流保护、电压监测)。

2.3 电源与温度范围

  • 单电源宽电压:支持2.5V~5.5V单电源供电,兼容主流3.3V/5V系统,无需双电源设计;
  • 工业级宽温:工作温度范围-40℃~+125℃,可适应户外、工业现场等极端温度环境,可靠性符合工业级标准。

三、封装与应用适配性

3.1 封装形式

采用SOP-8贴片封装,体积小巧(引脚间距1.27mm),兼容标准SMT生产线,焊接工艺简单,适合高密度PCB设计。

3.2 典型应用场景

  1. 电池电压监测:低功耗+轨到轨输入,可精准检测锂电池(3.7V~4.2V)的充放电状态,触发过充/过放保护;
  2. 温度检测:配合NTC热敏电阻,将温度信号转换为电压信号后比较,实现过热保护(如电机、电源模块);
  3. 工业传感器信号比较:宽温范围+低偏置,适配压力、流量等传感器的微弱信号比较,提升系统精度;
  4. 便携设备电源管理:低静态电流(60μA)延长电池续航,适用于智能穿戴、手持终端的电源状态监测;
  5. 电机控制保护:实时比较电流/电压信号,实现过流、过压、欠压保护,提升电机可靠性。

四、选型对比与市场价值

对比传统比较器(如LM339、LMV339),LMV393IDR(LX)的核心优势:

  • 偏置电流降低4个数量级:5pA vs 20nA,适配小信号检测;
  • 功耗降低15倍:60μA vs 1mA,适合电池供电;
  • 宽温范围升级:-40125℃ vs 070℃,覆盖工业场景;
  • 轨到轨输入:传统LM339输入范围为VCC-1.5V,LMV393无此限制,简化设计。

其高性价比与工业级可靠性,使其成为替代传统比较器的优选方案,尤其适合对功耗、精度、温度范围有要求的新兴应用。

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