Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Available for RFQ
Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LM1458M/TR 是华冠(HGSEMI)出品的通用双运算放大器,采用 SOP-8 封装,适用于多种模拟信号处理场景。该器件基于经典的 LM1458/LM1558 设计,两个运放共享一个公共偏置网络和电源引脚,除电源与偏置外,两个放大器工作完全独立,便于在同一芯片内实现双通道放大、滤波或比较等功能。
这些参数表明 LM1458M/TR 在低偏置、低失调和良好共模抑制方面具有可靠表现,适合多数通用放大场合。
总结:LM1458M/TR 以其双通道集成、宽电源范围与良好的共模抑制能力,成为通用模拟放大与信号处理电路的可靠选择。华冠(HGSEMI)提供的 SOP-8 封装版本兼顾了性能与生产适配性,适合批量制造与多种工业、商用电子产品的嵌入式模拟前端设计。
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Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
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.
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