LM111H DATASHEET PDF

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Carbon, tin-oxide, and metal-film resistors have all been used datashete in comparator input circuitry. If they are connected to a trim-pot, the trim-pot should be located, at most, a few inches away from the LM, and the 0. These application notes apply specifically to the LMLM, LM, and LF families of comparators, and are applicable to all high-speed comparators in general, with the exception that not all comparators have trim pins.

If pins 5 and 6 are not used, they should be shorted together. Full text of ” IC Datasheet: Some other comparators require the power-supply bypass to be lo- cated immediately adjacent to the comparator.

To avoid oscillation or instability in such a usage, several. Some othercrossing-point. This specification gives the range of current which must be drawn from the strobe pin to ensure the output is properly disabled. This is due to the high gain and wide band width of comparators like the LM Some other comparators require the power-supply bypass to be located immediately adjacent to the.

Do not short the strobe datasheett to ground; it should be current driven at 3 to 5 mA.

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LM111H/883

Previous 1 2 It is sufficient to cause 1 to 2 mV hysteresis and sharp transitions with input triangle waves from a few Hz to hundreds of kHz. These devices are designed to. Typical input current is 50 pA with inputs strobed ratasheet. The offset voltages and offset currents given are the maximum values required to drive the output within a volt of either supply with 1 mA load. The positive feedback is to pin 5 one of the offset adjust- ment pins. In other words there should be very little lead length or printed-circuit foil run between comparator and resistor to radiate or pick up signals.

The LM series has the same pin datawheet as the iA series.

lm111h datasheet pdf ibm

In the circuit of Figure 2, dataheet feedback from the output to the positive input will cause about 3 mV of hysteresis. The offset voltages and offset currents given are the maximum values required datasheef drive the output within a volt of either supply with a 1 mA load. Further, they can drive lamps or relays, switching voltages up to 50V at currents as high as 50 mA. Since feedback to almost any pin of a comparator can result in oscillation, the printed-circuit layout should be engineered thoughtfully.

The response time specified see definitions is for a mV input step with 5 mV overdrive. Inductive wirewound resistors are not suitable. Human body model, 1. To avoidof the LM Pin connections shown on schematic diagram are for H08 package. This signal is centered around the nominal voltage at pin 5, so this feedback does not add to the V os of the comparator.

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lm datasheet & applicatoin notes – Datasheet Archive

Adjustable; Input Voltage Min: The power supply bypass capacitors should be located within a couple inches of the LM LM zero crossing detector Abstract: Thus, these parameters define an error band and take into account the worst-case effects of voltage gain and Rs- Note 8: However, when the input signal is a voltage ramp or a slow sine wave, or if the signal source impedance is high 1 kQ to kQthe comparator may burst into oscillation near the crossing-point.

The LM is characterized for operation over the full military range.

Thus, these parameters define an error band and take into account the worst-case effects of voltage gain and Rs- Note Space saving mA low-dropout linear regulator with internal current limit 3-TO 0 to The circuit of Figure 3 could be used, but it is rather awkward.

How- ever, if R s is larger than Q, such as 50 kQ, it would not be reasonable to simply increase the value of the positive feedback resistor above kQ. The LMs characterized for operation over the full military range of. This is due to the high gain and wide band- width of comparators like the LM Increases typical common mode slew from 7.

The same applies to capacitors, pots, etc.