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Product Overview
The LM2903VQDRQ1 is a dual differential comparator from Texas Instruments, designed for automotive and industrial applications. It operates from a single power supply over a wide voltage range of 2V to 36V (or dual supplies ±1V to ±18V) and features low supply current (0.4 mA typical per comparator). The device is offered in an 8-pin SOIC package and is qualified to AEC-Q100 for automotive use.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Comparators |
2 |
| Supply Voltage (Single) |
2V to 36V |
| Supply Voltage (Dual) |
±1V to ±18V |
| Supply Current (per Comparator) |
0.4 mA typical |
| Input Offset Voltage |
±7 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
- Wide supply voltage range: 2V to 36V
- Low supply current: 0.4 mA per comparator
- Low input offset voltage: ±7 mV max
- Open collector output for wired-OR connection
- Qualified to AEC-Q100 for automotive applications
- Available in 8-SOIC package
Target Applications
- Automotive: Battery management systems, engine control units, dashboard displays
- Industrial: Motor control, power supply monitoring, sensor interfaces
- Consumer: White goods, power adapters
- Telecommunications: 5G base station power monitoring, signal conditioning
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2903VQDRQ1. 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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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
LM2903VQDRQ1 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。它可在 2V 至 36V 的單電源(或 ±1V 至 ±18V 的雙電源)下工作,每個比較器典型功耗僅 0.4 mA。器件採用 8 引腳 SOIC 封裝,並通過 AEC-Q100 汽車級認證。
詳細技術參數
| 參數 |
數值 |
| 比較器數量 |
2 |
| 單電源電壓 |
2V 至 36V |
| 雙電源電壓 |
±1V 至 ±18V |
| 每個比較器電源電流 |
典型 0.4 mA |
| 輸入失調電壓 |
最大 ±7 mV |
| 輸入偏置電流 |
典型 25 nA |
| 響應時間 |
典型 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
- 寬電源電壓範圍:2V 至 36V
- 低電源電流:每個比較器 0.4 mA
- 低輸入失調電壓:最大 ±7 mV
- 開集電極輸出,支持線與連接
- 通過 AEC-Q100 汽車級認證
- 採用 8-SOIC 封裝
典型應用場景
- 汽車:電池管理系統、發動機控制單元、儀表盤顯示
- 工業:電機控制、電源監控、傳感器接口
- 消費電子:白色家電、電源適配器
- 電信:5G 基站電源監控、信號調理
環球供應鏈與批發合作夥伴方案
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