The LM4125 is a precision low power low dropout bandgap voltage reference with up to 5 mA output current source and sink capability.

This series reference operates with input voltages as low as 2V and up to 6V consuming 160 µA (Typ.) supply current. In power down mode, device current drops to less than 2 μA.

The LM4125 comes in two grades (A and Standard) and three voltage options for greater flexibility. The best grade devices (A) have an initial accuracy of 0.2%, while the standard have an initial accuracy of 0.5%, both with a tempco of 50ppm/°C ensured from −40°C to +125°C.

The very low dropout voltage, low supply current and power-down capability of the LM4125 makes this product an ideal choice for battery powered and portable applications.

The device performance is ensured over the industrial temperature range (−40°C to +85°C), while certain specs are ensured over the extended temperature range (−40°C to +125°C). Please contact TI for full specifications over the extended temperature range. The LM4125 is available in a standard 5-pin SOT-23 package.

• Small SOT23-5 Package
• Low Dropout Voltage: 120 mV Typ @ 1 mA
• High Output Voltage Accuracy: 0.2%
• Source and Sink Current Output: ±5 mA
• Supply Current: 160 μA Typ.
• Low Temperature Coefficient: 50 ppm/°C
• Fixed Output Voltages: 2.048, 2.5,and 4.096
• Industrial Temperature Range: ?40°C to +85°C
• (For Extended Temperature Range, ?40°C to 125°C, Contact TI)

All trademarks are the property of their respective owners.

• VO (V)
• 2.048, 2.5
• Initial accuracy (Max) (%)
• 0.2, 0.5
• Temp coeff (Max) (ppm/ degree C)
• 50
• Vin (Min) (V)
• 2
• Vin (Max) (V)
• 6
• Iq (Typ) (uA)
• 160
• Rating
• Catalog
• Features
• Enable pin
• Iout/Iz (Max) (mA)
• 5

LM4125的完整型号有：LM4125AIM5-2.5/NOPB、LM4125IM5-2.0/NOPB、LM4125IM5-2.5/NOPB，以下是这些产品的关键参数及官网采购报价：

LM4125AIM5-2.5/NOPB，工作温度：-40 to 125，封装：SOT-23 (DBV)-5，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网LM4125AIM5-2.5/NOPB的批量USD价格：.905（1000+）

LM4125IM5-2.0/NOPB，工作温度：-40 to 125，封装：SOT-23 (DBV)-5，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网LM4125IM5-2.0/NOPB的批量USD价格：.83（1000+）

LM4125IM5-2.5/NOPB，工作温度：-40 to 125，封装：SOT-23 (DBV)-5，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网LM4125IM5-2.5/NOPB的批量USD价格：.83（1000+）

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