WMSIC Electronic Components

HGSEMI NE5532N

ModelNE5532N
PackageDIP-8
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HGSEMI NE5532N
Type
HGSEMI
Minimum package
2000 盒

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HGSEMI
Electronic Component
NE5532N
Electronic Component
1
Package
DIP-8
Electronic Component
Operational Amplifier
Electronic Component
0.69g
Electronic Component
1
Electronic Component
BM0227699425
Operating Temperature
0℃~+70℃
Amplifier
2
(SR)
11V/us
Static Current(Iq)
5.5mA
Electronic Component
Electronic Component
Electronic Component
2000
(GBW)
10MHz

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

NE5532N(HGSEMI 华冠)产品概述

一、产品简介

NE5532N 是一款广泛用于专业音频及信号处理的双运算放大器(DIP-8 封装),由 HGSEMI(华冠)生产。器件以低噪声、高共模抑制和良好的动态性能著称,适合于前置放大、增益级、混音器、均衡器和主动滤波等应用场景。器件工作稳定、封装常见,便于在实验板或传统电路板上替换与调试。

二、主要电气参数(典型/最大)

  • 放大器通道数:双路(Dual)
  • 最大电源宽度(Vdd−Vss):44 V(±22 V)
  • 增益带宽积(GBP):10 MHz
  • 压摆率(SR):11 V/μs
  • 输入失调电压(Vos):5 mV
  • 输入偏置电流(Ib):500 nA
  • 输入失调电流(Ios):5 nA
  • 噪声密度(eN):8 nV/√Hz @1 kHz
  • 共模抑制比(CMRR):100 dB
  • 静态电流(Iq):5.5 mA(典型)
  • 工作温度范围:0℃ ~ +70℃
  • 封装:DIP-8

以上参数反映了该器件在通用音频/模拟信号系统中良好的噪声和共模性能,同时显示其对电源电压和摆率的中等要求。

三、性能特点与设计建议

  • 低噪声:在 1 kHz 处噪声密度约 8 nV/√Hz,适合用于低噪声音频前置与增益级。实际噪声电平还受输入源阻抗影响,推荐低阻抗源以发挥最佳性能。
  • 动态与带宽:GBP 10 MHz、SR 11 V/μs,能满足常见音频频段和中低频主动滤波器的要求,但不是用于超高速或极高带宽的应用。
  • 偏置与失调:Vos 约 5 mV、Ib 500 nA,表明在高源阻抗或需要直流精度的场合需注意偏置电流引起的电压偏移。建议在非反相输入端并联等效阻抗以平衡偏置电流带来的误差(例如在反相放大器中使输入端与反馈网络等效阻抗匹配)。
  • 电源与功耗:支持最大 ±22 V,但在系统设计中应避免接近规定极限;静态电流典型值 5.5 mA(整器件),在 ±15 V 供电下功耗需考虑稳热与散热空间。

四、典型应用与布局要点

  • 典型应用:音频前级放大、功率放大驱动前级、均衡器、混音台、主动滤波、电平检测及低频信号放大。
  • 去耦与供电:在 VCC、VEE 电源引脚附近并联 0.1 μF(陶瓷)与 10 μF(电解/钽)去耦电容,0.1 μF 靠近引脚以抑制高频噪声,10 μF 改善低频稳定性。
  • 布局建议:供电回路走短线、地线采用星形或地平面,输入、反馈走线尽量短,避免与大电流回路并行,以减少干扰与寄生振荡。
  • 输入保护:器件对输入超过电源轨的情况敏感,建议在可能出现高电压瞬变的场合加二极管夹位或串联小阻抗限流元件。

五、偏置电流与失调管理(实用提示)

  • 偏置电流造成的直流偏移可按公式 ΔV ≈ Ib × R 来估算。举例:若 Ib = 500 nA,输入等效阻抗 10 kΩ,则由偏置电流引入的电压偏移约 5 mV,与器件 Vos 同量级。
  • 推荐做法:对称设计输入阻抗(使两个输入端阻抗相等),或者在非反相输入并联与反馈并联电阻的等效阻抗来平衡偏置电流带来的偏差。必要时通过外部微调(电位器)进行偏置调整。

六、优缺点归纳

  • 优点:低噪声、较高 CMRR、稳健的音频性能和常见封装,适合商业音频系统。
  • 局限:工作温度为 0℃~+70℃,属商业级;输入偏置电流和失调电压在精密直流场合需要额外处理;非专为超高带宽或超低功耗设计。

总结:NE5532N(HGSEMI 华冠)是一款在音频与通用模拟信号处理中性价比高、易于使用的双通道运放器件。通过适当的电源去耦、布板和输入偏置管理,能在许多音频放大与滤波场合提供稳定、低噪的性能。若有具体电路拓扑或目标指标(如总谐波失真、输出驱动电流、工作电源电压),可以提供进一步的电路优化建议与参考设计。

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