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Product Overview
The LM258DT from STMicroelectronics is a dual operational amplifier designed for low-power applications. It operates from a single or dual power supply, with a wide voltage range from 3V to 32V (or ±1.5V to ±16V). The device features low supply current (0.7mA per amplifier at 5V), making it ideal for battery-powered systems. The LM258DT is housed in an 8-SOIC package, offering a compact solution for space-constrained designs. With a gain bandwidth product of 1.1MHz and a slew rate of 0.6V/µs, it provides adequate performance for general-purpose signal conditioning.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
2 |
| Supply Voltage (Single) |
3V to 32V |
| Supply Voltage (Dual) |
±1.5V to ±16V |
| Supply Current (per amp) |
0.7mA typ at 5V |
| Input Offset Voltage |
2mV max |
| Input Bias Current |
20nA typ |
| Gain Bandwidth Product |
1.1MHz |
| Slew Rate |
0.6V/µs |
| Common Mode Rejection Ratio |
85dB typ |
| Operating Temperature |
-40°C to +105°C |
| Package |
8-SOIC |
Key Features
- Dual operational amplifier in a single package
- Low supply current: 0.7mA per amplifier
- Wide supply voltage range: 3V to 32V
- Low input offset voltage: 2mV max
- Internal frequency compensation
- Short-circuit protection
- No latch-up
- Available in 8-SOIC package
Target Applications
- Battery-powered instrumentation (e.g., portable multimeters)
- Sensor signal conditioning (e.g., temperature sensors in 5G base stations)
- Active filters (e.g., low-pass filters for audio processing in automotive dashboards)
- DC gain blocks (e.g., voltage amplification in industrial control systems)
- Transducer amplifiers (e.g., pressure sensor interfaces in IoT devices)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM258DT. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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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.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
LM258DT 是意法半導體推出的雙通道運算放大器,專為低功耗應用設計。它支持單電源或雙電源供電,電壓範圍寬達 3V 至 32V(或 ±1.5V 至 ±16V)。該器件在 5V 電壓下每通道靜態電流僅 0.7mA,非常適合電池供電系統。LM258DT 採用 8-SOIC 封裝,為空間受限的設計提供緊湊解決方案。其增益帶寬積為 1.1MHz,壓擺率為 0.6V/µs,可滿足通用信號調理需求。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
2 |
| 單電源電壓 |
3V 至 32V |
| 雙電源電壓 |
±1.5V 至 ±16V |
| 每通道靜態電流 |
典型值 0.7mA @ 5V |
| 輸入失調電壓 |
最大值 2mV |
| 輸入偏置電流 |
典型值 20nA |
| 增益帶寬積 |
1.1MHz |
| 壓擺率 |
0.6V/µs |
| 共模抑制比 |
典型值 85dB |
| 工作溫度 |
-40°C 至 +105°C |
| 封裝 |
8-SOIC |
核心特性
- 單封裝內集成雙通道運算放大器
- 低靜態電流:每通道 0.7mA
- 寬電源電壓範圍:3V 至 32V
- 低輸入失調電壓:最大值 2mV
- 內部頻率補償
- 短路保護
- 無鎖存現象
- 提供 8-SOIC 封裝
典型應用場景
- 電池供電儀器(例如便攜式萬用表)
- 傳感器信號調理(例如 5G 基站中的溫度傳感器)
- 有源濾波器(例如汽車儀表板音頻處理中的低通濾波器)
- 直流增益模塊(例如工業控制系統中的電壓放大)
- 傳感器放大器(例如 IoT 設備中的壓力傳感器接口)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM258DT 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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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。
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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。
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