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Product Overview
The LM2903BTQDRQ1 is a dual differential comparator from Texas Instruments, designed for automotive and industrial applications. It features low offset voltage, low supply current, and operates over a wide supply voltage range. Housed in an 8-SOIC package, this device is qualified to AEC-Q100 standards, ensuring reliability in harsh environments.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage Range |
2 V to 36 V (single supply), ±1 V to ±18 V (dual supply) |
| Input Offset Voltage |
±1 mV typical, ±5 mV max |
| Input Bias Current |
25 nA typical |
| Response Time |
1.3 μs typical |
| Output Type |
Open-collector |
| Operating Temperature |
-40°C to +125°C |
| Package |
8-SOIC |
Key Features
- Qualified to AEC-Q100 for automotive applications
- Low input offset voltage: 1 mV typical
- Wide supply voltage range: 2 V to 36 V
- Low supply current: 0.4 mA per comparator
- Open-collector output for wired-OR configuration
- ESD protection: 2 kV HBM
Target Applications
- Automotive: Battery management systems, engine control units, transmission control
- Industrial: Motor control, power supply monitoring, sensor interfaces
- Consumer: White goods, power tools
- Specific examples: 5G base station power monitoring, automotive dashboard warning circuits, industrial PLC input modules
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2903BTQDRQ1. 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
LM2903BTQDRQ1 是德州儀器推出的雙路差分比較器,專為汽車和工業應用設計。它具有低失調電壓、低電源電流,並可在寬電源電壓範圍內工作。該器件採用 8-SOIC 封裝,符合 AEC-Q100 標準,確保在惡劣環境下的可靠性。
詳細技術參數
| 參數 |
數值 |
| 電源電壓範圍 |
2 V 至 36 V(單電源),±1 V 至 ±18 V(雙電源) |
| 輸入失調電壓 |
典型值 ±1 mV,最大值 ±5 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 |
-40°C 至 +125°C |
| 封裝 |
8-SOIC |
核心特性
- 符合 AEC-Q100 汽車應用認證
- 低輸入失調電壓:典型值 1 mV
- 寬電源電壓範圍:2 V 至 36 V
- 低電源電流:每個比較器 0.4 mA
- 開集電極輸出,支持線或配置
- ESD 保護:2 kV HBM
典型應用場景
- 汽車:電池管理系統、發動機控制單元、變速箱控制
- 工業:電機控制、電源監控、傳感器接口
- 消費類:白色家電、電動工具
- 具體示例:5G 基站電源監控、汽車儀表盤警告電路、工業 PLC 輸入模塊
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM2903BTQDRQ1 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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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。
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