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Product Overview
The LM2903AVQDR is a dual differential comparator from Texas Instruments, designed for low-power and wide supply voltage range applications. It features low offset voltage, low supply current, and compatibility with TTL and CMOS logic. The device is housed in an 8-pin SOIC package, making it suitable for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage Range |
2V to 36V (single supply) or ±1V to ±18V (dual supply) |
| Supply Current (per comparator) |
0.4 mA typical |
| Input Offset Voltage |
±2 mV typical |
| 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 |
8-SOIC |
Key Features
- Dual comparator in a small 8-SOIC package
- Wide supply voltage range: 2V to 36V
- Low supply current: 0.4 mA per comparator
- Low input offset voltage: ±2 mV typical
- Open-collector output for wired-OR connection
- Compatible with TTL and CMOS logic
- Extended temperature range: -40°C to +125°C
Target Applications
- 5G base station power supply monitoring
- Automotive dashboard warning systems
- Industrial sensor threshold detection
- Battery management systems
- Motor control circuits
Global Supply Chain & Wholesale Solutions
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產品概述
LM2903AVQDR 是德州儀器推出的雙路差分比較器,專為低功耗和寬電源電壓範圍應用設計。它具有低偏移電壓、低電源電流以及與 TTL 和 CMOS 邏輯兼容的特性。該器件採用 8 引腳 SOIC 封裝,適合空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 電源電壓範圍 |
2V 至 36V(單電源)或 ±1V 至 ±18V(雙電源) |
| 電源電流(每路比較器) |
典型值 0.4 mA |
| 輸入偏移電壓 |
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 |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
8-SOIC |
核心特性
- 雙路比較器,小型 8-SOIC 封裝
- 寬電源電壓範圍:2V 至 36V
- 低電源電流:每路 0.4 mA
- 低輸入偏移電壓:典型值 ±2 mV
- 開集電極輸出,支持線或連接
- 兼容 TTL 和 CMOS 邏輯
- 擴展溫度範圍:-40°C 至 +125°C
典型應用場景
- 5G 基站電源監控
- 汽車儀表盤警告系統
- 工業傳感器閾值檢測
- 電池管理系統
- 電機控制電路
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