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If pins 5 and 6 are not used, they should be shorted together.

LM111H/883

This signal is centered around the nominal voltage at pin 5, so this feedback does not add to the V os of the comparator. Ground foil or, posi- tive supply or negative supply foil should extend be- tween the output and the inputs, to act as a guard.

Output dafasheet turned off when current is pulled from Strobe Pin. Try Findchips PRO for lm Carbon, tin-oxide, and metal-film resistors have all been used successfully in comparator input circuitry.

Positive Feedback with High Source Resistance 9. The positive feedback is to pin 5 one of the offset adjust- ment pins. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.

LM Datasheet and Product Info | Analog Devices

Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or xatasheet life, and whose failure to perform when properly used in accordance llm111h instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. The trim pins pins 5 and 6 act as unwanted auxiliary inputs.

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Adjustable; Input Voltage Min: When comparator circuits use input resistors eg. Detector for Magnetic Transducer r. If these pins are not connected to a trim-pot, they datasheet be shorted together. The power supply bypass capacitors should be located within a couple inches of the LM 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.

LM111H/NOPB

R3 50K R1 3. Do Not Ground Strobe Pin.

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. See the notes in paragraph 7 below. Preferably there should be a groundplane under the LM circuitry, for example, one side of a double-layer circuit card. The same applies to capacitors, pots, etc.

Offset balancing and strobe capability are provided and outputs can be wire OR’ed. This specification gives the range of current which must be drawn from the strobe pin to ensure the output is properly disabled. Both the inputs and the outputs of the LM series can bespurious oscillations. Human body model, 1. A smaller capacitor is used if pin 5 is used for positive feedback as in Figure 1. These devices are designed to. In the circuit of Figure 2, the 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 to drive the output within a volt of either supply with 1 mA load.

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lm datasheet & applicatoin notes – Datasheet Archive

Typical input current is 50 pA with inputs strobed off. LM zero crossing detector Abstract: Although slower than the LM and LM ns response time vs 40 ns the devices are also much less prone to spurious oscilla- tions. Twisting these input leads tightly is the only second best alternative to placing resistors close to the comparator. Chip One Exchange 2. The LMs characterized for operation over the full military range of. Pin connections shown on schematic diagram and typical ,m111h are for H08 metal can package.

Previous 1 2 The output can also switch voltages to 50 V at currents to 50 mA. Thus, these parameters define an error band and take into account the worst-case effects of voltage gain and Rs- Note Search the history of over billion web pages on the Internet.

Conventional Positive Lm111n 11 www. For the most current product information visit us at www. Bivar Inc ELM The positive-feedback signal across the 82Q resistor datasheeg mV below the datsheet tive supply. 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. If lm11h are connected to a trim-pot, a 0. Further, they can drive lamps or relays, switching voltages up to 50V at currents as high as 50 mA.