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LM311DE4 Datasheet(PDF) 10 Page - Texas Instruments |
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LM311DE4 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 38 page BAL/STRB BALANCE IN+ IN− 450 Ω 450 Ω 2.4 kΩ 1.2 kΩ 70 Ω 2.4 kΩ 1.2 kΩ 60 Ω 400 Ω 450 Ω 2 kΩ 200 Ω 250 Ω 600 Ω 130 Ω 4 Ω 4 kΩ VCC+ VCC− EMIT OUT COL OUT 750 Ω 600 Ω Component Count Resistors 20 Diodes 2 EPI FET 1 Transistors 22 LM111, LM211, LM311 SLCS007I – SEPTEMBER 1973 – REVISED JUNE 2015 www.ti.com 8 Detailed Description 8.1 Overview The LM111, LM211 and LM311 are voltage comparators that have input currents nearly a thousand times lower than legacy standard devices. They are also designed to operate over a wider range of supply voltages: from standard ±15V op amp supplies down to the single 5-V supply used for IC logic. Their output is compatible with RTL, DTL and TTL as well as MOS circuits. Further, they can drive lamps or relays, switching voltages up to 50 V at currents as high as 50 mA. Both the inputs and the outputs of the LM111, LM211 or the LM311 can be isolated from system ground, and the output can drive loads referred to ground, the positive supply or the negative supply. Offset balancing and strobe capability are provided and outputs can be wire ORed. The LM211 is identical to the LM111, except that its performance is specified over a −25°C to +85°C temperature range instead of −55°C to +125°C. The LM311 has a temperature range of 0°C to +70°C. 8.2 Functional Block Diagram 8.3 Feature Description LMx11 consists of a PNP input stage to sense voltages near VCC–. It also contains balance and strobe pins for external offset adjustment or trimming. The input stage is followed by a very high gain stage for very fast response after a voltage difference on the input pins have been sensed. 10 Submit Documentation Feedback Copyright © 1973–2015, Texas Instruments Incorporated Product Folder Links: LM111 LM211 LM311 |
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