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120,533 pcs
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120533 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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2,336 pcs
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2336 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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75 pcs
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75 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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47 pcs
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47 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The LM311M from Texas Instruments is a precision, high voltage, floating output comparator. It is designed to operate from standard ±15V op-amp supplies down to a single 5V supply used for IC logic. Its output is compatible with RTL, DTL, and TTL as well as MOS circuits.
Key electrical characteristics include input currents nearly a thousand times lower than older devices, with a maximum input current of 150 nA over temperature and an offset current of 20 nA over temperature. The differential input voltage range is ±30V. Power consumption is rated at 135 mW at ±15V.
This comparator features an open-collector, open-emitter output type and is housed in an 8-SOIC package suitable for surface mounting. The operating temperature range is from 0°C to 70°C. While the LM311M is obsolete, its design principles and specifications are foundational for understanding comparator technology.
Applications for this type of comparator include driving lamps or relays, switching voltages up to 50V at currents as high as 50 mA. Both inputs and outputs 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 OR'ed.
| Qty | Low | High |
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| 1+ | $0.64 | $0.64 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The LM311M operates from 0°C to 70°C.
The LM311M is supplied in an 8-SOIC package.
The LM311M is RoHS3 Compliant.
The MSL for the LM311M is 1 Unlimited.
The LM311M has a differential input voltage range of ±30V.
The maximum input current for the LM311M over temperature is 150 nA.
Yes, the LM311M can drive lamps or relays, switching voltages up to 50V at currents as high as 50 mA.