WMSIC Electronic Components

HGSEMI LM324AM/TR LM324AM

ModelLM324AM/TR
PackageSOP-14
BrandHGSEMI
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
HGSEMI LM324AM / TR
Type
HGSEMI
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HGSEMI
Electronic Component
LM324AM/TR
Electronic Component
1
Package
SOP-14
Electronic Component
Operational Amplifier
Electronic Component
0.383g
Electronic Component
1
Electronic Component
BM0264801314
Operating Temperature
40℃~+85℃
Amplifier
4
Output Current
30mA
Power Supply Voltage
5V~30V
Static Current(Iq)
1.1mA
Electronic Component
Electronic Component
Electronic Component
2500

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

LM324AM/TR 产品概述 — HGSEMI(华冠)

一、产品简介

LM324A 为四路独立的高增益、内部频率补偿运算放大器,由 HGSEMI(华冠) 生产。器件专为单电源工作而优化,也可在双电源系统中使用。内部补偿使其在单位增益配置下稳定,且静态电流低,与电源电压大小关系不大,适合电池供电与工业级应用。

二、主要电气参数

  • 放大器数:4
  • 最大电源差(Vdd–Vss):30V(单电源工作 5V–30V)
  • 输入失调电压 Vos:9mV,温度漂移 7µV/℃
  • 输入偏置电流 Ib:20nA;输入失调电流 Ios:2nA,温漂 10pA/℃
  • 共模抑制比 CMRR:80dB
  • 静态工作电流 Iq(每片):约 1.1mA
  • 输出驱动电流:可达 30mA
  • 工作温度范围:-40℃ ~ +85℃
  • 封装:未定(TR 常指带卷带包装,便于贴片生产线使用)

三、性能特点与注意事项

  • 共模输入范围接近地电位,适合单电源下测量低电压信号;但不是轨到轨输入/输出,输出高端通常离 Vcc 有一定余量。
  • 输出驱动能力强(30mA),可驱动小负载或作缓冲;高电流输出时注意热耗散与负载电源影响。
  • 低静态电流适合低功耗系统,但在高精度直流放大场合需注意 Vos 与 Ib 带来的误差,建议配合外部调零或采用偏置补偿。
  • 内部频率补偿便于构建稳定放大器、滤波器和缓冲电路,但在高速或高带宽要求场合应选择专用高速放大器。

四、典型应用

传感器放大器、直流增益模块、缓冲放大、电压比较前置(非严格比较器替代需谨慎)、主动滤波、数据采集前端、工业控制与便携仪表等。

五、设计建议

  • 电源旁路需加 0.1µF 陶瓷与 10µF 电解并联,改善瞬态响应与抑制噪声。
  • 对于直流精度要求高的设计,优先做输入偏置电流补偿及温漂校准。
  • 若需在贴片生产中批量使用,可选带 TR(卷带)包装版本,便于 SMT 送料。

LM324AM/TR 以其通用性、低功耗与宽电源范围,在工业和消费类电路中仍然是可靠且经济的四路运放选择。

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