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ON LM339DR2G
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- ON LM339DR2G
- Type
- ON
- Unit
- Electronic Component
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- ON
- Electronic Component
- LM339DR2G
- Electronic Component
- 1
- Package
- SOIC-14
- Electronic Component
- Comparator
- Electronic Component
- 0.36g
- Power Supply
- 3V~36V
- Electronic Component
- 1
- Features
- ESD
- Electronic Component
- BM0000282883
- Operating Temperature
- 0℃~+70℃
- Comparator
- Electronic Component
- Output
- CMOS；TTL
- (tr)
- 1.3us
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LM339DR2G 产品概述
概述
LM339DR2G 是由安森美（ON Semiconductor）推出的高性能多通道比较器。设计用于多种工业及消费应用，LM339DR2G 提供了诸多优势，包括宽广的供电电压范围，高精度的输入参考和优秀的开集电极输出特性，使其在各种电压监控和信号比较场景中都能有效工作。
基本参数
- 类型：通用
- 元件数：4
- 输出类型：CMOS，开路集电极，TTL
- 供电电压范围：3V ~ 36V（单极性）；±1.5V ~ ±18V（双极性）
- 输入补偿最大电压：5mV（在5V供电下）
- 最大输入偏置电流：0.25µA（在5V供电下）
- 典型输出电流：16mA（在5V供电下）
- 最大静态电流：2.5mA
- 工作温度范围：0°C ~ 70°C
- 封装类型：14-SOIC（0.154”，3.90mm宽）
- 安装类型：表面贴装型
工作原理
LM339DR2G 是一个四通道比较器，可以对输入别两组电压信号进行比较并提供片上开路集电极输出。当输入信号大于（或小于）参考信号时，它将输出高或低电平的信号。这种输出方式的优势在于其兼容性和灵活性，能够与TTL逻辑电平直接相连，非常适合多种应用。
应用场景
LM339DR2G 适用于多个场景，包括：
电压监控：在电池监控、电源监控等应用中，用于超出电压或低于阈值电压的检测；
信号处理：在信号处理电路中，可以用于噪声信号的阈值判断和清洁信号输出；
温度控制：结合温度传感器使用，以实现温控装置的自动开关功能；
数据采集系统：在数据采集与自动化控制系统中，用于实时信号采集和处理。
特性与优势
宽供电电压范围：LM339DR2G 支持3V至36V的宽输入电压范围，这使其在不同电源条件下具有很好的兼容性。
低输入偏置电流：仅为0.25μA的输入偏置电流，保证了高精度并减少了对小信号的干扰，使其适用于高灵敏度场合。
高静态特性：在节省功耗的同时，确保了可靠的输出表现。其最大静态电流为2.5mA，可有效提高电池供电设备的使用时间。
多通道设计：内置四个比较器，可以在同一芯片中实现多路比较，降低元器件数量，节省空间。
开路集电极输出：这一特性使得用户可以根据需要灵活设计外部电路，有助于与其他逻辑电平设备的接口连接。
可靠的工作温度范围：在0°C~70°C的工作温度范围内，LM339DR2G 提供了相当稳健和可靠的性能，适用于大多数工业环境。
结论
LM339DR2G 是一种具有卓越性能的多通道比较器，适用于广泛的应用场景。凭借其灵活的电源适应性、低功耗特性和稳定的工作性能，LM339DR2G 是设计工程师在电压监控、信号处理和数据采集等项目中不可或缺的选择。结合其高度的可靠性和出色的灵活性，LM339DR2G 助力各类电子设备的高效运作，推动电子控制系统的发展。
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