WMSIC Electronic Components

NISSHINBO NJM4580V-TE1

ModelNJM4580V-TE1
PackageSSOP-8
BrandNISSHINBO
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
NISSHINBO NJM4580V-TE1
Type
NISSHINBO
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NISSHINBO
Electronic Component
NJM4580V-TE1
Electronic Component
1
Package
SSOP-8
Electronic Component
Operational Amplifier
Electronic Component
1g
Electronic Component
1
Electronic Component
BM0257664239
Operating Temperature
40℃~+85℃
Amplifier
2
(SR)
5V/us
Static Current(Iq)
6mA
Electronic Component
Electronic Component
Electronic Component
2000
(GBW)
15MHz

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

NJM4580V-TE1 产品概述

一、简介

NJM4580V-TE1 是 NISSHINBO 推出的双路通用运算放大器,针对对噪声与失真有较高要求的信号处理场合(尤其是音频)进行了优化。器件提供良好的直流精度与动态性能,适用于音频前级、滤波器、缓冲及混音等电路,在宽温度范围和灵活的供电条件下能保持稳定工作。

二、关键参数

  • 放大器数:2(双路)
  • 增益带宽积(GBW):15 MHz
  • 输入失调电压(Vos):300 μV
  • 压摆率(SR):5 V/μs
  • 输入偏置电流(Ib):100 nA
  • 输入失调电流(Ios):5 nA
  • 共模抑制比(CMRR):110 dB
  • 静态电流(Iq):6 mA(典型值)
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 电源电压:单电源 2 V ~ 18 V;双电源 ±2 V ~ ±18 V
  • 封装:SSOP-8
  • 器件类型:运算放大器

三、主要特性与性能说明

  • 低失调电压(300 μV)使得直流耦合或高增益应用中输出直流偏移小,减少后端直流校正工作。
  • 中等带宽(15 MHz GBW)适合典型音频带宽设计;在较高闭环增益下仍能维持足够的幅频特性。
  • 5 V/μs 的压摆率可满足大多数音频信号的瞬时响应要求,但在要求极高速边沿或高频大振幅输出的场合需注意可能的失真或走形。
  • 较低的输入偏置电流(100 nA)和更小的失调电流(5 nA)利于高阻源驱动,减少基于偏置电流产生的误差。
  • 高共模抑制比(110 dB)保证在电源或共模干扰存在时输出误差较小,利于精密差分或共模噪声敏感系统。
  • 6 mA 的静态电流代表器件工作时的功耗水平;在电池供电或低功耗设计中需据此评估热与电源预算。

四、典型应用场景

  • 音频前置放大器、耳放、话筒前置级
  • 主动滤波器(低通/高通/带通)与均衡器
  • 电平检测、缓冲放大器、仪表放大器的前端级
  • 混音器、信号加减与垂直/水平偏置电路
  • 一般模拟信号处理与采集前的驱动级

五、设计与使用建议

  1. 电源与旁路:在器件的电源引脚附近放置 0.1 μF 陶瓷旁路电容并并联 10 μF 电解或钽电容,以降低电源阻抗并抑制低频波动;短引线布置可提高抑噪效果。
  2. 增益带宽与闭环增益:闭环增益越高,可用带宽越小。设计滤波或高增益放大时,应根据 GBW 估算闭环带宽并预留裕量,避免相位裕度不足造成振荡或过度相位延迟。
  3. 压摆率与瞬态失真:对于包含大振幅快速变化信号的应用,应验证 SR 是否满足最大输出斜率要求;若不足,输出波形可能出现失真或压摆限幅。
  4. 输入偏置电流补偿:在非反相配置下,可在非反相输入串联一个与反相支路等效阻抗相当的电阻(通常为 R1 || R2)来抵消偏置电流引起的失调电压。
  5. 防振与稳定性:若在高增益或容性负载下使用,建议在反馈回路并联小电容(几十 pF 到几百 pF,视电路而定)以改善相位裕度,或在输出与负载之间增加缓冲或小串联电阻(例如 10 Ω ~ 100 Ω)以防振荡。
  6. 输入保护:避免输入端在电源范围之外出现持续电压(超出 VEE/VCC),必要时增加限流或钳位元件保护输入结构。
  7. 布局建议:敏感输入节点与反馈回路应尽量缩短回路面积并远离高频或开关噪声源;接地采用单点或固体地平面以降低地阻抗。

六、封装与订购信息

  • 标准型号:NJM4580V-TE1
  • 封装:SSOP-8,适合中小体积 PCB 布局,需注意焊盘与散热的合理设计,器件静态功耗(Iq)在密集布局下可能引起局部发热,需要考虑环境温度与散热条件。
  • 工作环境:工业级温度范围(-40 ℃ ~ +85 ℃),适合大多数商业与工业应用场合。

总结:NJM4580V-TE1 以其良好的直流精度、适中的带宽与压摆率以及较低的偏置特性,在音频与通用模拟前端电路中是一款用途广泛的双路运放。根据具体应用调整闭环增益、反馈补偿与电源旁路,可获得稳定且低失真的放大效果。

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