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Product Overview
The LM2903WHYST is a dual low-power voltage comparator from STMicroelectronics, 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 (0.4mA per comparator). The device is offered in the 8-MINISO package, which is a small-outline package suitable for space-constrained designs. It provides open-collector outputs that can be connected to other open-collector outputs for wired-AND configurations.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage Range |
2V to 36V (single), ±1V to ±18V (dual) |
| Supply Current (per comparator) |
0.4 mA typ |
| Input Offset Voltage |
±2 mV typ |
| Input Bias Current |
25 nA typ |
| Response Time |
1.3 µs typ |
| Output Type |
Open-collector |
| Operating Temperature Range |
-40°C to +125°C |
| Package |
8-MINISO |
Key Features
- Wide supply voltage range: 2V to 36V
- Low supply current: 0.4 mA per comparator
- Low input offset voltage: ±2 mV
- Open-collector outputs for wired-AND connection
- High input impedance
- ESD protection: 2 kV HBM
- Automotive grade (AEC-Q100 qualified)
Target Applications
- Automotive: Battery management systems, engine control units, dashboard warning circuits
- Industrial: 5G base station power monitoring, motor control, sensor interfaces
- Consumer: Battery-powered devices, threshold detectors, zero-crossing detectors
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2903WHYST. 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
LM2903WHYST是STMicroelectronics推出的雙路低功耗電壓比較器,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),每路比較器僅消耗0.4mA的靜態電流。器件採用8-MINISO封裝,適合空間受限的設計。開路集電極輸出可與其他開路集電極輸出連接,實現線與功能。
詳細技術參數
| 參數 |
數值 |
| 電源電壓範圍 |
2V至36V(單電源),±1V至±18V(雙電源) |
| 每路靜態電流 |
典型0.4 mA |
| 輸入失調電壓 |
典型±2 mV |
| 輸入偏置電流 |
典型25 nA |
| 響應時間 |
典型1.3 µs |
| 輸出類型 |
開路集電極 |
| 工作溫度範圍 |
-40°C至+125°C |
| 封裝 |
8-MINISO |
核心特性
- 寬電源電壓範圍:2V至36V
- 低靜態電流:每路0.4 mA
- 低輸入失調電壓:±2 mV
- 開路集電極輸出,支持線與連接
- 高輸入阻抗
- ESD保護:2 kV HBM
- 汽車級認證(AEC-Q100)
典型應用場景
- 汽車:電池管理系統、發動機控制單元、儀表盤報警電路
- 工業:5G基站電源監控、電機控制、傳感器接口
- 消費類:電池供電設備、閾值檢測器、過零檢測器
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM2903WHYST 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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