- 制造厂商:TI
- 产品类别:电源管理
- 技术类目:电压基准 - 并联电压基准
- 功能描述:具有 -40°C 至 +85°C 工作温度范围的 1.235V 微功耗基准电压
- 点击这里打开及下载LM285-1.2的技术文档资料
- TI代理渠道,提供当日发货、严格的质量标准,满足您的目标价格
These micropower, two-terminal, band-gap voltage references operate over a 10-μA to 20-mA current range and feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming provides tight voltage tolerance. The band-gap reference for these devices has low noise and long-term stability.
The design makes these devices exceptionally tolerant of capacitive loading and, thus, easier to use in most reference applications. The wide dynamic operating temperature range accommodates varying current supplies, with excellent regulation.
The extremely low power drain of this series makes them useful for micropower circuitry. These voltage references can be used to make portable meters, regulators, or general-purpose analog circuitry, with battery life approaching shelf life. The wide operating current range allows them to replace older references with tighter-tolerance parts.
- Operating Current Range
- LM285-1.2: 10 μA to 20 mA
- LM385-1.2: 15 μA to 20 mA
- LM385B-1.2: 15 μA to 20 mA
- 1% and 2% Initial Voltage Tolerance
- Reference Impedance
- LM385-1.2: 1 Ω MAX at 25°C
- All devices: 1.5 Ω MAX over Full Temperature Range
- Very Low Power Consumption
- Interchangeable with Industry Standard LM285-1.2 and LM385-1.2
- VO (V)
- 1.235
- Reference voltage
- Fixed
- Initial accuracy (Max) (%)
- 1
- VO adj (Min) (V)
- 1.235
- VO adj (Max) (V)
- 1.235
- Iz for regulation (Min) (uA)
- 8
- Rating
- Catalog
- Operating temperature range (C)
- -40 to 85
- Iout/Iz (Max) (mA)
- 20
LM285-1.2的完整型号有:LM285D-1-2、LM285DR-1-2、LM285LP-1-2、LM285LPRE3-1-2,以下是这些产品的关键参数及官网采购报价:
LM285D-1-2,工作温度:-40 to 85,封装:SOIC (D)-8,包装数量MPQ:75个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网LM285D-1-2的批量USD价格:0.432(1000+)
LM285DR-1-2,工作温度:-40 to 85,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网LM285DR-1-2的批量USD价格:0.232(1000+)
LM285LP-1-2,工作温度:-40 to 85,封装:TO-92 (LP)-3,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:N/A for Pkg Type,引脚镀层/焊球材料:SN,TI官网LM285LP-1-2的批量USD价格:0.432(1000+)
LM285LPRE3-1-2,工作温度:-40 to 85,封装:TO-92 (LP)-3,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:N/A for Pkg Type,引脚镀层/焊球材料:SN,TI官网LM285LPRE3-1-2的批量USD价格:0.264(1000+)
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SHUNT_VOLTAGE_REFERENCE_RESISTOR_CALCULATOR — 分流参考电压外部电阻快速入门计算器
这一外部电阻快速入门计算器工具让用户可以根据电压基准、电源和负载电流限值轻松计算有效的外部电阻值。使用这些输入,用户可以马上查看计算结果并通过以颜色标记的指示了解计算出的输出是否有效。