LM311DRE4 product image


Linear - Comparators
Texas Instruments
The LM111(LM311DRE4 ), LM211, and LM311 are single high-speed voltage comparators. These devices are designed to operate from a wide range of power-supply voltages, including ±15-V supplies for operational amplifiers and 5-V supplies for logic systems. The output levels are compatible with most TTL and MOS circuits. These comparators are capable of driving lamps or relays and switching voltages up to 50 V at 50 mA. All inputs and outputs can be isolated from system ground. The outputs can drive loads referenced to ground, VCC+or VCC−. Offset balancing and strobe capabilities are available, and the outputs can be wire-OR connected. If the strobe is low, the output is in the off state, regardless of the differential input.
LM311DRE4 Features
• Fast Response Times
• Strobe Capability
• Maximum Input Bias Current . . . 300 nA
• Maximum Input Offset Current . . . 70 nA
• Can Operate From Single 5-V Supply
• Available in Q-Temp Automotive
− High-Reliability Automotive Applications
− Configuration Control/Print Support
− Qualification to Automotive Standards


Number of Elements1
Voltage - Supply, Single/Dual (±)3.5 V ~ 30 V, ±1.75 V ~ 15 V
Voltage - Input Offset (Max)7.5mV @ ±15V
Current - Input Bias (Max)0.25μA @ ±15V
Current - Quiescent (Max)7.5mA
Operating Temperature0°C ~ 70°C
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