WMSIC Electronic Components

XBLW INA181A1IDBVR

ModelINA181A1IDBVR(XBLW)
PackageSOT-23-6
BrandXBLW
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
XBLW INA181A1IDBVR(XBLW)
Type
XBLW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XBLW
Electronic Component
INA181A1IDBVR(XBLW)
Electronic Component
20V/V
Electronic Component
1
Package
SOT-23-6
Electronic Component
350kHz
Electronic Component
Current Sense Amplifier
Electronic Component
0.047g
Electronic Component
1
Common Mode Voltage
200mV~30V
Electronic Component
BM0265583747
Operating Temperature
40℃~+125℃
Voltage
±30V
Amplifier
1
Output Current
8mA

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

INA181A1IDBVR(XBLW芯伯乐)精密运算放大器产品概述

INA181A1IDBVR是芯伯乐(XBLW)推出的一款单路固定增益精密运算放大器,针对工业传感、电池监测等场景优化了宽共模电压范围、低功耗与高精度特性,以紧凑的SOT-23-6封装实现高集成度设计,适配多领域应用需求。

一、核心性能参数与动态特性

作为固定增益20V/V的运算放大器,INA181A1IDBVR具备平衡的动态性能与精度表现:

  • 带宽与压摆率:350kHz单位增益带宽(GBW)搭配2V/μs压摆率(SR),可满足中等频率信号的放大需求,适用于100kHz以下的传感器信号调理;
  • 输入电压范围:共模电压覆盖-200mV至30V,差分输入电压范围±30V,支持高压差下的信号采集(如多节电池串联后的电压差监测),无需额外电平转换电路;
  • 输出能力:最大输出电流8mA,可驱动小型负载(如LED指示、低功耗ADC输入),输出摆幅接近电源轨(单电源下),提升信号利用效率。

二、电源与环境适应性设计

INA181A1IDBVR针对低功耗与宽温场景优化:

  • 电源灵活性:支持2.7V至5.5V单电源供电,双电源模式下Vdd-Vss最大5.5V,适配电池供电(如便携式测试设备)与低压工业电源;
  • 静态功耗:典型静态电流仅175μA,结合宽电源范围,可延长电池设备工作时间;
  • 宽温工作:-40℃至+125℃的工业级温度范围,满足车载电子、户外传感器节点等极端环境应用,无需额外温度补偿电路。

三、精度与噪声控制能力

该器件具备优异的直流精度与低噪声特性,适合微弱信号放大:

  • 直流精度参数:输入失调电压(Vos)典型值25μV,温漂1μV/℃,输入失调电流(Ios)0.05μA,输入偏置电流(Ib)75μA,低漂移与低失调保证长期信号稳定性;
  • 抗干扰能力:100dB共模抑制比(CMRR),可有效抑制共模噪声(如电源纹波、电磁干扰),提升恶劣环境下的信号质量;
  • 低噪声特性:1kHz处噪声密度40nV/√Hz,在低频段(如传感器信号的10Hz~1kHz范围)表现出色,避免噪声淹没微弱输入信号。

四、封装与典型应用场景

SOT-23-6封装体积紧凑(尺寸约2.9×1.6×1.1mm),适合高密度PCB设计,典型应用包括:

  1. 电池组电压监测:多节锂电池串联后共模电压可达30V左右,器件的宽共模范围与低功耗适配电池管理系统(BMS)的电压采样;
  2. 工业传感器信号调理:压力传感器、电流传感器的微弱差分输出(如0~10mV)经20倍放大后,可直接输入12位/16位ADC,提升采样精度;
  3. 便携式电子设备:低功耗与单电源设计适配手持测试仪器、可穿戴设备的信号放大需求;
  4. 车载电子系统:-40℃~+125℃宽温与抗干扰能力,满足车载传感器(如胎压监测、电池监测)的工作环境。

五、总结

INA181A1IDBVR通过紧凑封装整合了宽共模范围、低功耗、高精度与宽温适应性,是工业传感、电池监测等领域的高性价比解决方案,可替代部分进口精密运放,适配国产供应链需求。

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