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Product Overview
The LM311P from Texas Instruments is a high-speed, single-channel voltage comparator designed for applications requiring fast response and flexible output configurations. Housed in an 8-pin PDIP package, it features an open-collector output that allows for wired-OR connections and compatibility with various logic families. With a typical response time of 200 ns and a wide supply voltage range from ±15V or single 5V to 30V, the LM311P is ideal for industrial control, signal conditioning, and threshold detection systems.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
±15V or 5V to 30V (single) |
| Input Offset Voltage |
2 mV (typical) |
| Input Bias Current |
100 nA (typical) |
| Response Time |
200 ns (typical) |
| Output Type |
Open Collector |
| Operating Temperature |
0°C to +70°C |
| Package |
8-PDIP |
Key Features
- High-speed response: 200 ns typical
- Wide supply voltage range: ±15V or single 5V to 30V
- Open-collector output for flexible interfacing
- Low input offset voltage: 2 mV typical
- Low input bias current: 100 nA typical
- Strobe capability for output gating
- Industry-standard pinout
Target Applications
- Zero-crossing detectors in power inverters for solar systems
- Overvoltage/undervoltage protection in 5G base station power supplies
- Window comparators in automotive dashboard warning systems
- Pulse-width modulation (PWM) signal conditioning in motor drives
- Threshold detection in industrial sensor interfaces
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM311P. 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
LM311P 是德州儀器(TI)推出的一款高速單通道電壓比較器,採用 8 引腳 PDIP 封裝,適用於需要快速響應和靈活輸出配置的應用。其開集電極輸出支持線與連接,並可與多種邏輯系列兼容。典型響應時間為 200 ns,電源電壓範圍寬(±15V 或單電源 5V 至 30V),非常適合工業控制、信號調理和閾值檢測系統。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
±15V 或 5V 至 30V(單電源) |
| 輸入失調電壓 |
2 mV(典型值) |
| 輸入偏置電流 |
100 nA(典型值) |
| 響應時間 |
200 ns(典型值) |
| 輸出類型 |
開集電極 |
| 工作溫度 |
0°C 至 +70°C |
| 封裝 |
8-PDIP |
核心特性
- 高速響應:典型值 200 ns
- 寬電源電壓範圍:±15V 或單電源 5V 至 30V
- 開集電極輸出,便於靈活接口
- 低輸入失調電壓:典型值 2 mV
- 低輸入偏置電流:典型值 100 nA
- 選通功能,可實現輸出門控
- 行業標準引腳排列
典型應用場景
- 太陽能逆變器中的過零檢測器
- 5G 基站電源中的過壓/欠壓保護
- 汽車儀表盤預警系統中的窗口比較器
- 電機驅動中的 PWM 信號調理
- 工業傳感器接口中的閾值檢測
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM311P 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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