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Product Overview
The LM2901N from Texas Instruments is a quad differential comparator designed for industrial and automotive 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 drain independent of supply voltage. The device is offered in a 14-pin PDIP package, making it suitable for through-hole PCB assembly. The LM2901N is characterized for operation from -40°C to +125°C, ensuring reliable performance in harsh environments.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Comparators |
4 |
| Supply Voltage Range |
2V to 36V (single), ±1V to ±18V (dual) |
| Supply Current (per comparator) |
0.4 mA typical |
| Input Offset Voltage |
±7 mV max at 25°C |
| Input Bias Current |
25 nA typical |
| Response Time |
1.3 μs typical |
| Output Type |
Open-collector |
| Operating Temperature Range |
-40°C to +125°C |
| Package |
14-PDIP |
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 outputs for wired-AND connection
- Compatible with TTL, DTL, ECL, MOS, and CMOS logic
- ESD protection: 2000V HBM
Target Applications
- 5G base station power supply monitoring (e.g., overvoltage/undervoltage detection)
- Automotive dashboard warning systems (e.g., battery voltage monitoring)
- Industrial motor control (e.g., current sensing and fault detection)
- Battery management systems (e.g., cell voltage comparison)
- Signal conditioning in sensor interfaces
Global Supply Chain & Wholesale Solutions
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LM2901N. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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with full quality assurance and traceability.
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be authentic with strict quality control.
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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
LM2901N 是德州儀器 (TI) 推出的四通道差分比較器,專為工業和汽車應用設計。它可在 2V 至 36V 的寬電源電壓範圍內工作(或雙電源 ±1V 至 ±18V),並具有與電源電壓無關的低電源電流消耗。該器件採用 14 引腳 PDIP 封裝,適合通孔 PCB 組裝。LM2901N 的工作溫度範圍為 -40°C 至 +125°C,確保在惡劣環境下的可靠性能。
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),±1V 至 ±18V(雙電源) |
| 每通道電源電流 |
典型值 0.4 mA |
| 輸入失調電壓 |
25°C 時最大 ±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 |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
14-PDIP |
核心特性
- 寬電源電壓範圍:2V 至 36V
- 低電源電流:每通道 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
- 兼容 TTL、DTL、ECL、MOS 和 CMOS 邏輯
- ESD 保護:2000V HBM
典型應用場景
- 5G 基站電源監控(例如過壓/欠壓檢測)
- 汽車儀表盤警告系統(例如電池電壓監控)
- 工業電機控制(例如電流檢測和故障檢測)
- 電池管理系統(例如電池電壓比較)
- 傳感器接口中的信號調理
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