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Product Overview
The LP2901D from Texas Instruments is a low-power, quad-channel voltage comparator designed for applications requiring minimal power consumption and reliable performance. Housed in a compact 14-SOIC package, it operates over a wide supply voltage range from 3V to 30V (or ±1.5V to ±15V dual supply). The device features open-collector outputs, making it suitable for driving loads such as relays, LEDs, and logic circuits. With a typical supply current of only 0.4 mA per comparator, the LP2901D is ideal for battery-powered and portable equipment.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
4 |
| Supply Voltage (Single) |
3V to 30V |
| Supply Voltage (Dual) |
±1.5V to ±15V |
| Supply Current (per comparator) |
0.4 mA typical |
| Input Offset Voltage |
±5 mV max |
| Input Bias Current |
25 nA typical |
| Response Time |
1.3 μs typical |
| Output Type |
Open-collector |
| Operating Temperature |
-40°C to +85°C |
| Package |
14-SOIC |
Key Features
- Low power consumption: 0.4 mA per comparator
- Wide supply voltage range: 3V to 30V
- Quad channel in compact 14-SOIC package
- Open-collector outputs for flexible interfacing
- Low input offset voltage: ±5 mV max
- Fast response time: 1.3 μs typical
- Industrial temperature range: -40°C to +85°C
Target Applications
- Battery-powered systems (e.g., portable medical devices, handheld instruments)
- Threshold detection in 5G base station power supplies
- Automotive electronics (e.g., dashboard warning systems, battery monitoring)
- Industrial control systems (e.g., motor current sensing, overvoltage protection)
- Consumer electronics (e.g., smart home sensors, power adapters)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP2901D. 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
LP2901D 是德州儀器(TI)推出的一款低功耗四通道電壓比較器,採用緊湊的 14-SOIC 封裝,適用於需要極低功耗和可靠性能的應用。該器件支持 3V 至 30V 的單電源或 ±1.5V 至 ±15V 的雙電源供電,具有開集電極輸出,可驅動繼電器、LED 和邏輯電路等負載。每個比較器的典型供電電流僅為 0.4 mA,非常適合電池供電和便攜式設備。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
4 |
| 單電源電壓 |
3V 至 30V |
| 雙電源電壓 |
±1.5V 至 ±15V |
| 每通道供電電流 |
典型 0.4 mA |
| 輸入失調電壓 |
最大 ±5 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 +85°C |
| 封裝 |
14-SOIC |
核心特性
- 低功耗:每通道 0.4 mA
- 寬電源電壓範圍:3V 至 30V
- 四通道,緊湊 14-SOIC 封裝
- 開集電極輸出,靈活接口
- 低輸入失調電壓:最大 ±5 mV
- 快速響應時間:典型 1.3 μs
- 工業級溫度範圍:-40°C 至 +85°C
典型應用場景
- 電池供電系統(如便攜醫療設備、手持儀器)
- 5G 基站電源中的閾值檢測
- 汽車電子(如儀表盤警告系統、電池監控)
- 工業控制系統(如電機電流檢測、過壓保護)
- 消費電子(如智能家居傳感器、電源適配器)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP2901D 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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