TJM4558CDT ST Operational Amplifier | 8-SOIC | Dual, 4MHz, 2mV Offset

Product Overview

The TJM4558CDT is a dual operational amplifier manufactured by STMicroelectronics, housed in an 8-pin SOIC package. It is designed for general-purpose applications requiring low noise, high gain bandwidth, and stable performance over a wide supply voltage range. The device features two independent op-amps with internal frequency compensation, making it suitable for audio preamplifiers, active filters, signal conditioning, and industrial control systems.

Detailed Technical Specifications

Key Features

• Dual operational amplifier with low noise (15 nV/√Hz)
• Wide supply voltage range: ±2V to ±18V
• High gain bandwidth product: 4 MHz
• Internal frequency compensation for stable operation
• Low input offset voltage: 2 mV typical
• Short-circuit protection
• No latch-up when input common-mode range is exceeded

Target Applications

• Audio preamplifiers and equalizers in consumer electronics (e.g., home theater systems)
• Active filters in communication equipment (e.g., 5G base station signal conditioning)
• Sensor signal conditioning in automotive electronics (e.g., dashboard sensor interfaces)
• Industrial process control (e.g., PLC analog input modules)
• Medical instrumentation (e.g., patient monitoring systems)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TJM4558CDT. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

TJM4558CDT 是意法半導體（STMicroelectronics）生產的雙運算放大器，採用 8 引腳 SOIC 封裝。該器件專為需要低噪聲、高增益帶寬和寬電源電壓範圍內穩定性能的通用應用而設計。它包含兩個獨立的運算放大器，具有內部頻率補償，適用於音頻前置放大器、有源濾波器、信號調理和工業控制系統。

詳細技術參數

核心特性

• 雙運算放大器，低噪聲（15 nV/√Hz）
• 寬電源電壓範圍：±2V 至 ±18V
• 高增益帶寬積：4 MHz
• 內部頻率補償，確保穩定運行
• 低輸入失調電壓：典型值 2 mV
• 短路保護
• 輸入共模範圍超出時無鎖存

典型應用場景

• 消費電子中的音頻前置放大器和均衡器（例如家庭影院系統）
• 通信設備中的有源濾波器（例如 5G 基站信號調理）
• 汽車電子中的傳感器信號調理（例如儀表板傳感器接口）
• 工業過程控制（例如 PLC 模擬輸入模塊）
• 醫療儀器（例如病人監護系統）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TJM4558CDT 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]