WMSIC Electronic Components

RENESAS ISL21010CFH341Z-TK ISL21010CFH341Z

ModelISL21010CFH341Z-TK
PackageSOT-23-3
BrandRENESAS
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RENESAS ISL21010CFH341Z-TK
Type
SOT-23-3
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
ISL21010CFH341Z-TK
Electronic Component
1
Package
SOT-23-3
Electronic Component
Voltage Reference IC
Electronic Component
±0.2%
Electronic Component
0.001g
Electronic Component
1
Electronic Component
BM0264858899
Operating Temperature
40℃~+125℃@(Ta)
Operating Voltage
4.2V~5.5V
Electronic Component
50ppm/℃
Output Voltage
4.096V
Output Current
25mA
Output Type
Electronic Component

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

ISL21010CFH341Z-TK电压基准芯片产品概述

一、产品定位与核心特性

ISL21010CFH341Z-TK是瑞萨电子推出的固定输出型串联电压基准芯片,专为需要高精度、宽温度适应性及低功耗的电子系统设计。其核心特性围绕“稳定基准、低耗适配、宽温可靠”三大方向,可满足工业、汽车、电池供电设备等多场景的精密电压参考需求,是替代传统分压电路或普通基准的高效方案。

二、关键参数详解

该芯片的核心参数精准适配多领域应用,具体如下:

  1. 输出特性:固定输出电压为4.096V(工业常用基准电压,与12/16位ADC满量程范围完美匹配),最大输出电流达25mA,可同时驱动多个后级负载(如ADC、运放);常温下精度为**±0.2%**,保障基准电压的一致性。
  2. 工作条件:输入电压范围为4.2V~5.5V,适配单节锂电池(4.2V满电)、5V线性电源等常见供电场景;工作温度覆盖**-40℃+125℃**,满足工业级(-4085℃)及汽车级(-40~125℃)极端环境要求。
  3. 功耗表现:静态电流(Iq)仅100μA,低功耗设计适合电池供电的便携式设备,可有效延长续航时间。
  4. 温度稳定性:温度系数为50ppm/℃,即温度每变化1℃,输出电压变化约0.2048mV,在宽温范围内保持输出稳定,减少环境温度对测量精度的影响。

三、封装与引脚配置

该芯片采用SOT-23-3小型表面贴装封装,尺寸紧凑(典型尺寸1.6mm×2.9mm×1.1mm),适配高密度PCB布局,节省板级空间。引脚采用标准SOT-23-3布局,具体定义为:

  • 1脚:Vout(输出电压端)
  • 2脚:GND(接地端)
  • 3脚:Vin(输入电压端)

安装与焊接便捷,适合自动化生产,同时兼容手工焊接,降低设计与生产难度。

四、典型应用场景

ISL21010CFH341Z-TK凭借其性能优势,广泛应用于以下场景:

  1. 精密ADC参考源:4.096V输出与12/16位ADC的满量程范围(如0~4.096V)完全匹配,可提升数据采集系统、工业传感器接口的测量精度。
  2. 工业传感器校准:温度传感器、压力传感器等需要稳定基准电压进行校准,该芯片的宽温特性及低漂移性能,适配 harsh工业环境(如工厂车间、户外监测设备)。
  3. 电池供电设备:100μA低静态电流,适配单节锂电池(3.7V~4.2V)供电的便携式仪器(如手持万用表、环境监测仪),延长电池使用时间。
  4. 汽车电子系统:-40℃~+125℃宽温范围满足汽车发动机舱、车载电子等高温/低温环境,可用于车载传感器(如胎压监测、氧传感器)、仪表显示系统。
  5. 医疗仪器:高精度及低漂移特性适合血压计、血糖仪等医疗设备的精密测量电路,保障患者数据的准确性与可靠性。

五、性能优势对比

与同类产品相比,ISL21010CFH341Z-TK具备明显优势:

  • 对比并联型基准(如TL431):串联型结构无需外部分压电阻,简化电路设计;输出电流25mA远高于TL431(典型10mA),负载能力更强。
  • 对比普通工业级基准:宽温范围覆盖汽车级(-40125℃),比普通工业级基准(-4085℃)适配更多极端环境。
  • 对比高精度基准(如REF50xx系列):静态电流仅100μA,比REF50xx(Iq约1mA)低一个数量级,更适合电池供电设备。

总结

ISL21010CFH341Z-TK作为瑞萨电子的高精度串联电压基准,以其4.096V固定输出、±0.2%精度、-40~125℃宽温、100μA低Iq等核心特性,覆盖工业、汽车、医疗、便携式设备等多领域应用。其紧凑的SOT-23-3封装与稳定的性能表现,有效提升电路的精度与可靠性,是系统设计中电压基准的理想选择。

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