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LM139DG4 TI Comparator | 14-SOIC | Quad, Low Power, Open Collector
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Product Overview
The LM139DG4 from Texas Instruments is a quad differential comparator designed for low-power applications. It features open-collector outputs, wide supply voltage range, and high input impedance. Housed in a 14-SOIC package, it is suitable for battery-powered systems and industrial control.
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Number of Comparators | 4 |
| Supply Voltage Range | 2V to 36V (single) or ±1V to ±18V (dual) |
| Input Offset Voltage | ±2 mV typical |
| Input Bias Current | 25 nA typical |
| Response Time | 1.3 µs typical |
| Output Type | Open Collector |
| Operating Temperature | -55°C to +125°C |
| Package | 14-SOIC |
Key Features
- Low power consumption: 0.8 mW per comparator at 5V
- Wide supply voltage range
- Open-collector outputs for wired-OR connection
- High input impedance
- ESD protection: 2 kV HBM
Target Applications
- 5G base station power supply monitoring
- Automotive dashboard warning systems
- Battery management systems
- Industrial sensor interfaces
- Threshold detectors in portable devices
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for LM139DG4. 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
LM139DG4 是德州儀器推出的四通道差分比較器，專為低功耗應用設計。它具有開集電極輸出、寬電源電壓範圍和高輸入阻抗。採用 14-SOIC 封裝，適用於電池供電系統和工業控制。
詳細技術參數
| 參數 | 數值 |
|---|---|
| 比較器數量 | 4 |
| 電源電壓範圍 | 2V 至 36V（單電源）或 ±1V 至 ±18V（雙電源） |
| 輸入失調電壓 | 典型值 ±2 mV |
| 輸入偏置電流 | 典型值 25 nA |
| 響應時間 | 典型值 1.3 µs |
| 輸出類型 | 開集電極 |
| 工作溫度 | -55°C 至 +125°C |
| 封裝 | 14-SOIC |
核心特性
- 低功耗：5V 時每個比較器僅 0.8 mW
- 寬電源電壓範圍
- 開集電極輸出，支持線或連接
- 高輸入阻抗
- ESD 保護：2 kV HBM
典型應用場景
- 5G 基站電源監控
- 汽車儀表盤警告系統
- 電池管理系統
- 工業傳感器接口
- 便攜設備中的閾值檢測器
環球供應鏈與批發合作夥伴方案
在 Jasin Chip，我們為 LM139DG4 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。
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