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Name: LM211DR2
Brand: ON Semiconductor
SKU: LM211DR2
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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ON Semiconductor LM211DR2

Part No.:: LM211DR2

Manufacturer:: ON Semiconductor

Package:: -

Datasheet:: LM211DR2.pdf

Description:: IC COMPARATOR SGL HI VOLT 8SOIC

In Stock:: 2369

Quantity:: Add To Cart

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LM211DR2 Specifications

Package/Case:
-
Packaging:
Cut Tape (CT)
Series:
-
ProductStatus:
Obsolete
Type:
-
NumberofElements:
-
OutputType:
-
Voltage-SupplySingle/Dual(±):
-
Voltage-InputOffset(Max):
-
Current-InputBias(Max):
-
Current-Output(Typ):
-
Current-Quiescent(Max):
-
CMRRPSRR(Typ):
-
PropagationDelay(Max):
-
Hysteresis:
-
OperatingTemperature:
-
MountingType:
-

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LM211DR2 information

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LM211DR2 Typical application Circuitry

LM211DR2

The LM211DR2 is a precision voltage comparator from the LM211 series, which is distinguished for its capability to operate with a wide range of power supply voltages and quick response times. Designed to interface with both analog and digital circuits, the LM211DR2 is a versatile choice for implementing a comparison function in a circuit design.

1. Voltage Supply Connections:

- Pin 8 (VCC+): Attach this pin to the higher potential of your supply. The LM211DR2 is engineered to handle a single supply voltage ranging from +3V to +36V or dual supplies with magnitudes from ±1.5V to ±15V.

- Pin 1 (GND/VCC-): This pin is to be linked to the circuit's common ground in a single supply setup, or to the negative supply rail if you are running the LM211DR2 with dual supplies.

2. Comparator Input Pins:

- Pin 2 (Inverting Input): The LM211DR2 compares the voltage level at this terminal to the one at the non-inverting input. Usually, this is where the threshold or reference voltage is fed.

- Pin 3 (Non-Inverting Input): The input voltage that you wish to compare with the inverting input's threshold is applied here.

3. Output Configuration:

- Pin 7 (Output): The LM211DR2 has an open-collector output requiring an external resistor to pull the voltage up to the desired logic level when the output transistor is off.

4. Feedback for Hysteresis: To stabilize the output of the LM211DR2 and to counteract any noise-induced fluctuations, it is common practice to connect a feedback resistor from Pin 7 (Output) to Pin 3 (Non-Inverting Input). This feedback creates hysteresis, which is particularly beneficial in noisy environments.

5. Ensuring Stable Operation: The proper operation of the LM211DR2 often requires external components to set the bias currents at the inputs, based on the specifics provided in the datasheet. Additionally, protection diodes can be employed to shield the inputs from transient surges, ensuring the integrity of the LM211DR2.

6. Balance and Control Pins:

- Pin 4 (Balance/Strobe): This pin is multifunctional but can be left unconnected if the balance or strobe functions are not needed for the LM211DR2 application.

- Pin 5 (Balance): Works with Pin 4 for fine-tuning the comparator's performance, but it is often unused in simple comparator circuit designs.

7. No Connection Required:

- Pin 6 (NC/No Connection): There is no need to connect this pin when using the LM211DR2, as it does not interact with the circuit.

When designing circuits with the LM211DR2, it is also advisable to place a decoupling capacitor near the power supply pins to minimize power supply noise. Moreover, following the datasheet recommendations for circuit layout, including grounding and routing practices, is critical to prevent oscillations and ensure stable operation of the LM211DR2 in the application.

LM211DR2 FAQ

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3. Are the LM211DR2 price and inventory displayed accurate?

The price and inventory of LM211DR2 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of LM211DR2?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LM211DR2 we delivered, we will accept the replacement or return of the LM211DR2 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LM211DR2.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations