WMSIC Electronic Components

TECH PUBLIC LMV321ILT

ModelLMV321ILT
PackageSOT-23-5
BrandTECH PUBLIC
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 Option 169991

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
TECH PUBLIC LMV321ILT
Type
TECH PUBLIC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TECH PUBLIC
Electronic Component
LMV321ILT
Electronic Component
1
Package
SOT-23-5
Electronic Component
Operational Amplifier
Electronic Component
0.037g
Electronic Component
1
Electronic Component
Output
Electronic Component
BM0265965787
Operating Temperature
40℃~+125℃
Amplifier
1
Output Current
20mA
(SR)
600V/ms
Power Supply Voltage
2.5V~5.5V
Static Current(Iq)
40uA

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

LMV321ILT 单路轨到轨运算放大器产品概述

一、产品定位与核心特性总览

LMV321ILT是台舟电子(TECH PUBLIC)推出的单路轨到轨输入输出(RRIO)运算放大器,针对低功耗、高速响应、宽温范围的模拟信号处理场景优化,兼具低噪声、高输出驱动能力,适配空间受限与电池供电的应用需求。核心特性可概括为:轨到轨IO最大化动态范围、高SR+低功耗平衡、极低输入偏置电流、宽温工业级可靠性,封装采用紧凑SOT-23-5,替换兼容性强。

二、关键性能参数深度解析

1. 轨到轨输入输出设计

输入范围覆盖电源轨(单电源下为VssVdd),输出可接近电源轨(典型值±10mV以内),无需额外电平转换电路,最大化信号动态范围。例如在3.3V单电源系统中,可处理03.3V全范围信号,避免传统运放“输入输出受限”导致的信号损失。

2. 高速响应与带宽能力

  • 增益带宽积(GBP):1MHz,满足10kHz以内中等带宽信号(如传感器输出、音频前置放大)的处理需求;
  • 压摆率(SR):600V/ms,远高于同功耗级别的通用运放(典型200V/ms),保障瞬态信号(如脉冲、快速变化的传感器信号)无明显失真。

3. 低功耗与电源适配

  • 静态电流(Iq):仅40uA,是电池供电设备的理想选择(如可穿戴、物联网节点),单节锂电池(3.7V)可支持长期工作;
  • 电源范围:单电源2.5V~5.5V(兼容3.3V、5V常见电源),双电源下Vdd-Vss最大5.5V,适配多场景供电架构。

4. 低噪声与高精度特性

  • 输入噪声密度:20nV/√Hz@10kHz,适合微弱信号放大(如光电二极管、电阻桥输出);
  • 失调与温漂:输入失调电压(Vos)5mV、温漂2uV/℃,共模抑制比(CMRR)80dB,有效抑制共模干扰,保障信号完整性。

5. 输入输出驱动能力

  • 输入偏置电流(Ib)10pA、失调电流(Ios)10pA,对高阻抗输入源无明显负载效应;
  • 输出电流20mA,可直接驱动小型负载(如LED、小电机、音频耳机),无需额外缓冲级。

三、封装与环境适应性

采用SOT-23-5小型表面贴装封装,尺寸仅2.9×1.6×1.0mm,适配便携式设备、高密度PCB设计;引脚定义符合行业标准(1输出、2反相输入、3同相输入、4Vss、5Vdd),可直接替换同类产品。

工作温度范围为**-40℃~+125℃**,满足工业级环境(如户外传感器、车载辅助系统)的可靠性要求,避免低温/高温下性能漂移。

四、典型应用场景

  1. 工业传感器接口:温度、压力、流量传感器的信号放大,宽温范围适配工业现场,低噪声保障微弱信号检测;
  2. 电池供电设备:可穿戴健康监测(如心率、血氧信号放大)、物联网环境监测节点,低功耗延长电池寿命;
  3. 音频与信号调理:便携式音频前置放大(高SR保障音质)、滤波电路缓冲级(轨到轨IO最大化滤波动态范围);
  4. 汽车电子辅助:胎压监测、车内温度传感器的信号处理,宽温范围适配车载环境。

五、市场价值与竞争优势

相比同类型通用运放(如LMV321系列兼容型号),LMV321ILT在压摆率(600V/ms vs 200V/ms)、输入偏置电流(10pA vs 1nA) 上优势显著,适合高阻抗输入、高速响应场景;结合低功耗与宽温特性,覆盖工业与消费电子双领域,台舟电子的性价比优势进一步提升其竞争力,是优化电路设计、替代传统运放的高性价比选择。

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