产品概要
描述
LM2903B由两个独立的低功耗电压比较器组成，专为在宽电压范围内使用单一电源供电而设计。该比较器的供电电压完全指定为5 V和36 V，但也支持双电源供电。
LM2903比较器的B级版本提供最大40 V的工作电压，同时具备更优异的电气性能。
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性能一览
- 单一电源的宽电压范围+2 V至+36 V，或双电源±1 V至±18 V
- 超低的供电电流0.5 mA典型值，基本不受电源电压影响
- 低输入偏置电流：20 nA典型值
- 低输入偏移电流：±5 nA典型值
- 输入共模电压范围包括负轨
- 低输出饱和电压：250 mV典型值 (Iout = 4 mA)
- 兼容TTL、DTL、ECL、MOS、CMOS的输出
- 汽车认证
特别推荐
EDA Symbols, Footprints and 3D Models
STMicroelectronics - LM2903B
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | 符合RoHS级别 | Longevity Commitment | Longevity Starting Date | Material Declaration** |
|---|---|---|---|---|---|---|---|
| LM2903BYDT | Active 产品已量产 | SO-8 | Automotive | Ecopack3 | 10 | 2023-05-23T00:00:00.000+02:00 | |
| LM2903BYPT | Active 产品已量产 | TSSOP-8L | Automotive | Ecopack3 | 10 | 2023-05-23T00:00:00.000+02:00 | |
| LM2903BYQ3T | Active 产品已量产 | DFN8 2x2 WF | Automotive | Ecopack3 | 10 | 2023-05-23T00:00:00.000+02:00 | |
| LM2903BYST | Active 产品已量产 | MiniSO-8 | Automotive | Ecopack3 | 10 | 2023-05-23T00:00:00.000+02:00 |
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持。
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Sample & Buy
| Part Number | 供货状态 | Budgetary Price (US$)*/Qty | 从ST订购 | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | Grade | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小值 | 最大值 | ||||||||||||||
| LM2903BYPT | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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| LM2903BYQ3T | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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| LM2903BYDT | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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| LM2903BYST | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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LM2903BYPT Active
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LM2903BYST Active
Budgetary Price (US$)*/Qty:
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distributors
无法联系到经销商，请联系我们的销售办事处
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):