Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
MSKSEMI JRC4558
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MSKSEMI JRC4558
- Type
- MSKSEMI
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MSKSEMI
- Electronic Component
- JRC4558
- Electronic Component
- 1
- Package
- SOP-8
- Electronic Component
- Operational Amplifier
- Electronic Component
- 0.167g
- Electronic Component
- 1
- Features
- Built-in
- Electronic Component
- BM0264378027
- Operating Temperature
- 0℃~+70℃
- Amplifier
- 2
- Power Supply Voltage
- 3V~30V
- Static Current(Iq)
- 500uA
- 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.
JRC4558 产品概述
品牌: MSKSEMI (美森科)
封装类型: SOP-8
产品简介
JRC4558 是一种高性能、低噪声的双路运算放大器，广泛应用于音频、信号处理和传感器接口等领域。该运算放大器由日本的 Nitto Electric Industrial Company（N，以及其子公司 JRC，后来更名为 NJR）开发，凭借其卓越的性能和稳定性，在电子工程师和设计师中享有良好的声誉。
主要特性
- 双路设计: JRC4558 内含两个独立的运算放大器，适合多种应用场合，能够减少电路板的空间占用。
- 高增益带宽: 增益带宽积可达 8 MHz，使其能够有效处理高频信号，适合音频和高频应用。
- 低噪声性能: 在高增益和低信号情况下表现优异，具有出色的信噪比（SNR），适合于高保真音频和精密测量。
- 宽电源范围: 可在双电源（±15V）或单电源（+5V 至 +15V）下工作，具备更好的灵活性。
- 稳定性: JRC4558 具有较好的相位裕度，适合于多种反馈配置，确保在高频下的稳定性。
技术参数
- 增益带宽积: 8 MHz
- 输入偏置电流: 10 nA
- 输出电流: 20 mA (典型值)
- 共模输入电压范围: 0V 到 V+ - 2V
- 电源电压范围: ±3V 到 ±15V 或 5V 到 30V 单电源
- 噪声电压密度: 18 nV/√Hz（典型值）
应用领域
JRC4558 的广泛应用使其成为电子设计专业人员的重要选择，主要应用场景包括：
- 音频放大器: 因其低噪声和宽带宽的特性，JRC4558 常用于高质量音频放大器设计，如吉他放大器、家用音响系统等，带来清晰丰富的音质体验。
- 信号处理: 适用于数据采集系统、传感器信号放大、滤波以及信号调理电路。
- 电流检测电路: 在电流监控、负载检测等高精度应用中，JRC4558 常常被用作比较器或信号增益器。
- 反馈和控制系统: 在自动控制系统中，常作为反馈环路中的核心元件，用于信号放大和处理。
设计注意事项
在使用 JRC4558 时，设计师应注意以下几点：
- 电源去耦: 为了保持运算放大器的稳定性，建议在电源引脚旁加上适当的去耦电容，以减少电源噪声对信号的影响。
- 输出电阻: 考虑到其输出电流的限制，设计中应避免过低的输出负载阻抗，以确保输出电压的稳定性。
- 温度影响: 工作环境的温度变化可能影响运算放大器的性能，设计时需考虑温度补偿措施。
总结
JRC4558 是一款性能卓越的双路运算放大器，凭借其高增益带宽、低噪声特点以及灵活的电源选择，广泛应用于多个领域。无论是在音频工程、信号处理还是控制系统中，其可靠的性能和较高的设计灵活性都使其成为设计师的首选元件之一。选择 JRC4558，无疑将为项目的成功实施提供强有力的支持。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
Model, package, availability, and BOM fit reviewed before quotation.
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Sourcing availability signal
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Examples of how common component sourcing requests are organized.
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products
Packaged components ready for RFQ.
