LMV7291
- (VS =
1.8V, TA = 25°C, Typical
Values unless Specified) - Single Supply
- Ultra Low Supply Current 9µA per Channel
- Low Input Bias Current 10nA
- Low Input Offset Current 200pA
- Low ensured VOS 4mV
- Propagation Delay 880ns (20mV Overdrive)
- Input Common Mode Voltage Range 0.1V beyond Rails
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The LMV7291 is a rail-to-rail input low power comparator, characterized at supply voltage 1.8V, 2.7V and 5.0V. It consumes only 9uA supply current per channel while achieving a 800ns propagation delay.
The LMV7291 is available in SC70 package. With this tiny package, the PC board area can be significantly reduced. It is ideal for low voltage, low power and space critical designs.
The LMV7291 features a push-pull output stage which allows operation with minimum power consumption when driving a load.
The LMV7291 is built with Texas Instruments' advance submicron silicon-gate BiCMOS process. It has bipolar inputs for improved noise performance and CMOS outputs for rail-to-rail output swing.
技术文档
| 顶层文档 | 类型 | 标题 | 格式选项 | 下载最新的英语版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 数据表 | LMV7291 Single 1.8V Low Power Comparator with Rail-to-Rail Input 数据表 (Rev. E) | 2013-3-22 | |||
| 电子书 | The Signal e-book: 有关运算放大器设计主题的博客文章汇编 | PDF | HTML | 英语版 | PDF | HTML | 2018-1-31 |
设计与开发
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TIPD144 — 具有迟滞功能的比较器参考设计
此 TI 精选设计实现了一个带磁滞功能的比较器电路。 比较器用于区分两种不同的信号电平。 例如，比较器可用于判断过温状态与正常温度状态。 比较阈值处的噪声或信号变化会导致多个转换。 通过磁滞可设置上限和下限阈值，以消除由噪声引起的多个转换。
| 封装 | 引脚 | CAD 符号、封装和 3D 模型 |
|---|---|---|
| SOT-SC70 (DCK) | 5 | Ultra Librarian |
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