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Product Overview
The LM2903AVQPWRG4Q1 is a dual differential comparator from Texas Instruments, designed for automotive and industrial applications. It operates over a wide supply voltage range of 2V to 36V (single supply) or ±1V to ±18V (dual supply), with low supply current drain (0.4 mA typical per comparator). The device features open-collector outputs that allow wired-AND connections, and it is specified for operation from -40°C to +125°C, making it suitable for harsh environments. Housed in a compact 8-TSSOP package, it offers a space-saving solution for precision voltage comparison.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
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-TSSOP |
Key Features
- Wide supply voltage range: 2V to 36V single supply
- Low supply current: 0.4 mA per comparator
- Low input offset voltage: ±7 mV max
- Open-collector outputs for wired-AND logic
- Automotive qualified (AEC-Q100)
- Operating temperature range: -40°C to +125°C
- Small 8-TSSOP package
Target Applications
- Automotive: Battery management systems, engine control units, dashboard warning circuits
- Industrial: Motor control, overvoltage/undervoltage detection, limit switches
- Consumer: Power supply monitoring, battery chargers
- Telecom: 5G base station power supply monitoring, signal conditioning
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2903AVQPWRG4Q1. 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
LM2903AVQPWRG4Q1 是德州儀器 (TI) 推出的雙路差分比較器,專為汽車和工業應用設計。它支持 2V 至 36V(單電源)或 ±1V 至 ±18V(雙電源)的寬電源電壓範圍,每個比較器典型靜態電流僅 0.4 mA。器件具有開集電極輸出,可實現線與連接,工作溫度範圍為 -40°C 至 +125°C,適合惡劣環境。採用緊湊的 8-TSSOP 封裝,為精密電壓比較提供節省空間的解決方案。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
2 |
| 電源電壓(單電源) |
2V 至 36V |
| 電源電壓(雙電源) |
±1V 至 ±18V |
| 靜態電流(每比較器) |
典型值 0.4 mA |
| 輸入失調電壓 |
最大 ±7 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-TSSOP |
核心特性
- 寬電源電壓範圍:單電源 2V 至 36V
- 低靜態電流:每比較器 0.4 mA
- 低輸入失調電壓:最大 ±7 mV
- 開集電極輸出,支持線與邏輯
- 通過汽車級認證 (AEC-Q100)
- 工作溫度範圍:-40°C 至 +125°C
- 小型 8-TSSOP 封裝
典型應用場景
- 汽車:電池管理系統、發動機控制單元、儀表盤警告電路
- 工業:電機控制、過壓/欠壓檢測、限位開關
- 消費電子:電源監控、電池充電器
- 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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