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Product Overview
The LM239PT is a low-power, quad voltage comparator manufactured by STMicroelectronics. It is designed for applications requiring low offset voltage, low supply current, and compatibility with single or dual power supplies. The device features open-collector outputs, making it suitable for wired-OR configurations. Housed in a compact 14-TSSOP package, the LM239PT is ideal for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage |
2 to 36 V (single) or ±1 to ±18 V (dual) |
| Input Offset Voltage |
2 mV (typical) |
| Input Bias Current |
25 nA (typical) |
| Supply Current (per comparator) |
0.4 mA (typical) |
| Response Time |
1.3 μs (typical) |
| Operating Temperature |
-40°C to +105°C |
| Package |
14-TSSOP |
Key Features
- Low power consumption: 0.4 mA per comparator
- Wide supply voltage range: 2 to 36 V
- Low input offset voltage: 2 mV typical
- Open-collector outputs for flexible interfacing
- Quad channel in compact TSSOP-14 package
- ESD protection: 2 kV HBM
Target Applications
- 5G base station power supply monitoring
- Automotive dashboard warning systems
- Battery management systems (BMS)
- Industrial sensor threshold detection
- Portable medical devices
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM239PT. 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
LM239PT 是意法半导体(STMicroelectronics)推出的一款低功耗四通道电压比较器。它专为需要低失调电压、低电源电流以及兼容单电源或双电源的应用而设计。该器件具有开集电极输出,适用于线或配置。LM239PT 采用紧凑的 14-TSSOP 封装,非常适合空间受限的设计。
詳細技術參數
| 参数 |
值 |
| 电源电压 |
2 至 36 V(单电源)或 ±1 至 ±18 V(双电源) |
| 输入失调电压 |
2 mV(典型值) |
| 输入偏置电流 |
25 nA(典型值) |
| 每通道电源电流 |
0.4 mA(典型值) |
| 响应时间 |
1.3 μs(典型值) |
| 工作温度 |
-40°C 至 +105°C |
| 封装 |
14-TSSOP |
核心特性
- 低功耗:每通道 0.4 mA
- 宽电源电压范围:2 至 36 V
- 低输入失调电压:典型值 2 mV
- 开集电极输出,便于接口灵活
- 四通道,紧凑 TSSOP-14 封装
- ESD 保护:2 kV HBM
典型應用場景
- 5G 基站电源监控
- 汽车仪表盘警告系统
- 电池管理系统(BMS)
- 工业传感器阈值检测
- 便携式医疗设备
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM239PT 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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