WMSIC Electronic Components

SGMICRO SGM8774D-1XN5G/TR SGM8774D

ModelSGM8774D-1XN5G/TR
PackageSOT-23-5
BrandSGMICRO
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SGMICRO SGM8774D-1XN5G / TR
Type
SGMICRO
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SGMICRO
Electronic Component
SGM8774D-1XN5G/TR
Electronic Component
1
Package
SOT-23-5
Electronic Component
Comparator
Electronic Component
0.04g
Electronic Component
1
Electronic Component
BM0231119851
Operating Temperature
40℃~+125℃
Comparator
Electronic Component
Output
TTL;CMOS
Static Current(Iq)
240uA
(tpd)
90ns
Electronic Component
Electronic Component
Electronic Component
3000

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

SGM8774D-1XN5G/TR 产品概述

SGM8774D-1XN5G/TR 是由 SGMICRO(圣邦微)推出的一款单路比较器,集成在小型 SOT-23-5 封装中,针对工业级与便携式应用提供低功耗与高精度的比较性能。该器件特点包括输入失调电压仅 800 μV、输入偏置电流 20 pA、传播延迟约 90 ns、静态电流 240 μA,并支持 TTL/CMOS 兼容输出电平,工作温度范围达 -40℃ 至 +125℃,适用于苛刻环境下的可靠检测与逻辑驱动。

一、主要参数与功能要点

  • 比较器通道:单路
  • 输入失调电压 (Vos):800 μV(典型值,利于精确阈值检测)
  • 输入偏置电流 (Ib):20 pA(极低的漏电流,适合高阻抗信号源)
  • 传播延迟 (tpd):约 90 ns(中速响应,适合多数事件检测场景)
  • 输出模式:TTL / CMOS 兼容(可直接驱动数字逻辑)
  • 静态电流 (Iq):240 μA(低功耗,利于电池供电应用)
  • 工作温度:-40℃ ~ +125℃(工业级温度范围)
  • 封装:SOT-23-5(小体积,便于密集布局)

二、性能优势解析

SGM8774D 的 800 μV 低输入失调,可显著降低阈值误差,适用于精密门限检测。20 pA 的超低输入偏置电流使其在连接高阻抗传感器(如电阻桥、热敏电阻或光敏单元)时能保持高精度而不引入显著偏移。90 ns 的传播延迟在多数控制与监测系统中提供足够的速度,同时 240 μA 的静态电流保证了能效与响应性的平衡。

三、典型应用场景

  • 电池电量检测与欠压/过压保护门限
  • 传感器信号比较(光电、温度、电阻桥)
  • 电平监控与断电检测、复位电路
  • 模数转换器前的窗口比较或过载检测
  • 工业控制与汽车电子中对阈值精度和温度稳定性要求高的场合

四、封装与可靠性说明

SOT-23-5 小封装适合空间受限的电路板设计,支持自动化贴装。器件型号中的 TR 后缀通常表示卷带(Tape & Reel)包装,便于批量生产线使用;N5G 等后缀常与无铅/环保及工艺版本相关,购买时可参照供应商资料核对具体含义。器件的工业级温度范围确保在宽温环境下仍具稳定性能。

五、设计与使用建议

  • 电源旁路:在 VCC 与 GND 之间放置 0.1 μF 陶瓷旁路电容,靠近器件电源脚以抑制瞬态噪声。
  • 输入保护:若输入可能超出供电轨,应在输入端加入限流或钳位保护(如串联小电阻和 TVS/钳位二极管)以防止超压损坏输入结构。
  • 抖动与噪声:对来自噪声源的输入建议加入适度滞后(正反馈)或 RC 滤波,以避免抖动触发。
  • 输出驱动:输出兼容 TTL/CMOS,通常可直接驱动逻辑电路;若驱动较大负载建议使用缓冲器或外部驱动器。
  • 布局注意:输入引线应尽量短且远离高电流回路,以减少耦合与误触发。

综上所述,SGM8774D-1XN5G/TR 是一款面向精密门限检测与低功耗控制的单路比较器,凭借低失调、低偏置电流与工业温度等级,适合多种传感与监控类设计。选型与最终电路实现时,建议结合厂商数据手册的完整电气特性与布局指南进行验证。

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