LM is an excellent Operational amplifier capable of driving DTL, RTL, TTL, or MOS logic. The output can switch voltages to 50 volts at currents to description/ordering information. The LM, LM, and LM are single high -speed voltage comparators. These devices are designed to operate from a. The LM LM and LM are voltage comparators that have input currents nearly a thousand times lower than devices like the LM or LM They are.

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This pin is connected to the ground of the system Negative voltage can also be used. A sample circuit is shown below in which the Inverting Terminal is set to 2.

LM311 datasheet

datasheer Normally these pins are not used since the Input Offset itself is much better controlled. Low input bias current: Supply Current vs Supply Voltage Figure TL — Programmable Reference Voltage.

When not in use the pins 5 and 6 should be shorted as shown above. You can note dattasheet the Output voltage stays high when pin 2 has higher voltage than pin 7 and vice versa. The device is also designed to operate from dual or single supply voltage. The transistor can also make the Load to be isolated from the system ground, so if you are looking for a Lm3311 comparator to drive loads of these specifications then this IC might be the right choice for you.


National Semiconductor

Submitted by admin on 6 March The pins 5 and 6 on the Op-amp are used to set the balance voltage if you want to manually adjust the DC-Offset voltage. Dstasheet Bias Current vs Temperature Figure 2. Offset voltage null capability. Documents Flashcards Grammar checker.

LM Pinout, Pin Configuration, Specifications, Equivalent, Working & Datasheet

Any Op-Amp can be made to work as a voltage comparator, but lm11 LM proves itself to be advantages by housing an Output Transistor inside its package. Input Offset Current vs Temperature Figure 3.

The LM can work on a Single supply voltage or in a dual supply mode. Current Saturation Voltage Figure The simplified schematics of the IC is shown below:. Leakage Current vs Temperature Figure The response time specified is for a mV input step with 5mV over drive. Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, and c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.


If the voltage at the Non-Inverting Terminal pin 2 is higher than the Inverting Terminal pin 2the output pin 7 will also be high else the output dataeheet be low. You can refer the other possible circuits from the LM datasheet given at bottom.

Saturation voltage vs Current Figure 8. Lab 9 in this note.

Input Bias Current vs Differential input voltage Figure 5. The simplified schematics of the IC is shown below: Supply Current vs Temperature Figure 9. A critical component in 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.

National Semiconductor – datasheet pdf

Common Mode Limits vs Temperature Figure 6. Offset Voltage om311 Input Resistance Figure 4. Review of LR circuits.

An Emitter Output Circuit is shown below.