WMSIC Electronic Components

WILLSEMI WS74199B-6/TR WS74199B

ModelWS74199B-6/TR
PackageSOT-363
BrandWILLSEMI
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
WILLSEMI WS74199B-6 / TR
Type
WILLSEMI
Minimum package
3000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
WILLSEMI
Electronic Component
WS74199B-6/TR
Electronic Component
50V/V
Electronic Component
1
Package
SOT-363
Electronic Component
95kHz
Electronic Component
Current Sense Amplifier
Electronic Component
0.04g
Electronic Component
1
Common Mode Voltage
300mV~26V
Features
Programmable Output Reference Level
Electronic Component
BM0264368310
Operating Temperature
40℃~+125℃
Voltage
±12V
(SR)
0.5V/us

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

WS74199B-6/TR 运算放大器产品概述

WS74199B-6/TR是韦尔半导体(WILLSEMI)推出的一款低功耗、高精度通用运算放大器,针对工业控制、车载电子、便携式设备等场景的信号调理需求优化,兼具宽电源范围、宽温适应性与小封装优势,是平衡性能与成本的理想选择。

一、核心定位与关键优势

作为通用型运放,WS74199B-6/TR的设计围绕**“低功耗+高精度+宽适配”** 三大核心方向:

  1. 低功耗:静态电流仅100μA,适配电池供电设备(如便携式传感器、医疗仪器),有效延长续航时间;
  2. 高精度:输入失调电压(Vos)10μV、共模抑制比(CMRR)110dB,可精准放大微伏级信号,同时抑制环境干扰;
  3. 宽适配:支持2.7V26V单电源/最大26V电源差的双电源,工作温度覆盖-40℃+125℃,适配工业、车载等严苛场景。

二、关键性能参数深度解析

1. 信号放大与带宽特性

  • 增益与带宽:闭环增益50V/V(支持用户自定义增益配置),-3dB带宽95kHz,满足中低频信号(如传感器输出、音频信号)的稳定放大;
  • 压摆率(SR):0.5V/μs,配合带宽可稳定放大峰峰值≤1V的100kHz信号,避免高频失真。

2. 精度与抗干扰能力

  • 输入失调参数:Vos=10μV、输入失调电流(Ios)=500nA,适合热电偶、应变片等微伏级小信号放大;
  • 共模抑制比(CMRR):110dB,可有效抑制电源噪声、电磁干扰(EMI),在工业现场、车载环境中保持信号完整性。

3. 电源与输入范围

  • 电源适应性:单电源2.7V~26V,双电源最大电源差26V(如±12V双电源),覆盖低电压电池到高电压工业电源场景;
  • 输入范围:共模电压300mV~26V(单电源下),支持近地信号检测(需注意输入不低于300mV);差分输入电压±12V,避免输入过压损坏。

三、封装与环境适应性

1. 小尺寸封装

采用SOT-363封装(6脚贴片),尺寸紧凑(典型1.6mm×1.0mm),节省PCB空间,适配便携式设备、高密度模块设计。

2. 宽温可靠性

工作温度范围-40℃~+125℃,符合汽车电子(AEC-Q100)与工业级标准,可在极端温度环境下稳定工作(如车载仪表盘、户外传感器节点)。

四、典型应用场景

WS74199B-6/TR的性能特点使其适配多领域信号调理需求:

  1. 工业传感器放大:压力、温度、流量传感器的小信号放大,利用低失调与高CMRR保障精度;
  2. 车载电子:胎压监测、车载温度检测等传感器信号调理,宽温与宽电源范围适配汽车12V/24V电源;
  3. 便携式设备:手持医疗仪器(血糖仪、血氧仪)、可穿戴设备的信号放大,低静态电流延长电池续航;
  4. 低噪声电路:音频前置放大、微弱信号检测电路,高CMRR抑制环境噪声。

五、选型与应用注意事项

  1. 电源范围确认:单电源不超过26V,双电源需保证Vdd-Vss≤26V,避免过压损坏;
  2. 输入信号限制:共模电压需在300mV~26V范围内(单电源),差分输入电压不超过±12V;
  3. 带宽与压摆率匹配:若放大高频大信号,需评估SR是否满足(如100kHz信号峰峰值≤1V);
  4. 焊接工艺:SOT-363为贴片封装,建议采用回流焊,焊接温度符合韦尔封装规格要求。

六、总结

WS74199B-6/TR以低功耗、高精度、宽适配为核心竞争力,结合小尺寸封装与宽温特性,覆盖工业、车载、便携式等多场景需求,是替代传统运放(如LM358系列)的高性价比选择,尤其适合对静态电流敏感且需稳定信号放大的应用。

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