WMSIC Electronic Components

ON TL331SN4T3G

ModelTL331SN4T3G
PackageTSOP-5-1.5mm
BrandON
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+

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Technical data

Product details

20 specifications

Core information

Product name
ON TL331SN4T3G
Type
ON
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
ON
Electronic Component
TL331SN4T3G
Electronic Component
1
Package
TSOP-5-1.5mm
Electronic Component
Comparator
Electronic Component
0.047g
Power Supply
2V~36V
Electronic Component
1
Electronic Component
BM0265653463
Operating Temperature
40℃~+125℃
Comparator
Electronic Component
Output
DTL;TTL;CMOS;ECL
Output Type
Electronic Component
Static Current(Iq)
500uA

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

TL331SN4T3G 低功耗单路比较器产品概述

一、产品基本信息

TL331SN4T3G是安森美(ON Semiconductor) 推出的通用型单路电压比较器,采用5脚TSOP(薄型小外形封装) ,引脚间距1.5mm,属于紧凑尺寸设计。作为低功耗比较器的典型代表,其核心定位是兼顾宽工作范围与小体积,可替代传统比较器满足便携、工业等多场景需求。

二、核心电气参数详解

TL331SN4T3G的参数针对低功耗、高兼容性做了优化,关键特性清晰:

(1)输入特性

  • 输入失调电压(Vos):2mV:输出平衡时输入两端的电压差,数值小意味着输入匹配度高,无需额外补偿即可精准比较;
  • 输入偏置电流(Ib):25nA:输入引脚的静态电流,极低的偏置电流使其可直接兼容高阻抗信号(如传感器输出、微弱模拟信号),无需额外驱动;
  • 输入失调电流(Ios):5nA:输入两端偏置电流的差值,进一步提升了输入信号的线性度与稳定性。

(2)输出特性

  • 输出类型:开集电极(Open Collector):需外接上拉电阻,可灵活适配不同逻辑电平;
  • 兼容逻辑:DTL/TTL/CMOS/ECL:开集结构支持与多种数字电路直接接口,无需电平转换,简化系统设计。

(3)动态与功耗特性

  • 传播延迟(tpd):300ns:输入变化到输出响应的时间,满足低速比较场景(如电平检测、低速ADC);
  • 静态电流(Iq):500μA:极低功耗适合电池供电设备(如智能手环、手持测试仪),延长续航。

三、封装与引脚功能

TL331SN4T3G采用5脚TSOP封装(尺寸约2.9mm×1.6mm),引脚布局清晰(参考安森美标准):

  • 引脚1:输出端(开集,需上拉);
  • 引脚2:反相输入端(In-);
  • 引脚3:同相输入端(In+);
  • 引脚4:负电源端(单电源接GND,双电源接Vee);
  • 引脚5:正电源端(单电源接Vcc,双电源接Vdd)。

紧凑封装适合高密度PCB布局,降低系统体积。

四、典型应用场景

凭借宽范围特性与低功耗,TL331SN4T3G适用于:

  1. 电池供电设备:手持测试仪、智能传感器节点,低功耗减少电池消耗;
  2. 工业控制:温度/压力传感器电平检测、PLC输入模块,宽温(-40℃~125℃)适应工业环境;
  3. 便携电子:智能穿戴的心率/血氧信号比较,小封装节省空间;
  4. 电源监控:过压/欠压保护电路,宽电源(2V~36V)适配不同电源系统;
  5. 通信电路:低速数据电平转换、信号检测,兼容多逻辑电平。

五、工作环境与电源适应性

  • 温度范围:-40℃~+125℃,覆盖工业级与汽车级部分场景;
  • 电源范围:
    • 单电源:2V~36V(直接接5V、12V、24V等常见电源);
    • 双电源:±1V~±18V(如±5V、±12V),满足双极性信号比较;
  • 纹波抑制:宽电源设计对纹波不敏感,减少电源滤波复杂度。

六、替代选型参考

TL331SN4T3G可直接替代LM331、LMV331 ,差异在于:

  • 静态电流更低(500μA vs LM331的1.3mA);
  • 宽温范围(-40125℃ vs LM331的070℃);
  • 封装更小(TSOP-5 vs DIP-8)。

若需更高速度,可选TLV339(传播延迟10ns);若需更低功耗,可选TS331(静态电流200μA)。

TL331SN4T3G以低功耗、宽范围、小体积为核心优势,是便携设备、工业控制等场景中电压比较的高性价比选择。

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