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LP339DR_TI(德州仪器)中文资料_英文资料_价格_PDF手册

2024/7/9 15:12:12

65

LP339DR

四路低功耗商业级标准比较器

 

 


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· Wide Supply-Voltage Range...3 V to 30 V

· Ultralow Power Supply Current Drain...60 µA Typ

· Low Input Biasing Current...3 nA

· Low Input Offset Current...±0.5 nA

· Low Input Offset Voltage...±2 mV

· Common-Mode Input Voltage Includes Ground

· Output Voltage Compatible With MOS and CMOS Logic

· High Output Sink-Current Capability (30 mA at VO = 2V)

· Power Supply Input Reverse-Voltage Protected

· Single-Power-Supply Operation

· Pin-for-Pin Compatible With LM239, LM339, LM2901

 

 

                                                           

 

 

description/ordering information

 

The LP239, LP339, LP2901 are low-power quadruple differential comparators. Each device consists of four independent voltage comparators designed specifically to operate from a single power supply and typically to draw 60-µA drain current over a wide range of voltages. Operation from split power supplies also is possible and the ultra-low power-supply drain current is independent of the power-supply voltage.

 

Applications include limit comparators, simple analog-to-digital converters, pulse generators, squarewave generators, time-delay generators, voltage-controlled oscillators, multivibrators, and high-voltage logic gates. The LP239, LP339, LP2901 were designed specifically to interface with the CMOS logic family. The ultra-low power-supply current makes these products desirable in battery-powered applications.

 

The LP239 is characterized for operation from −25°C to 85°C. The LP339 is characterized for operation from 0°C to 70°C. The LP2901 is characterized for operation from −40°C to 85°C.