What is the Additional Feature ?

Name: LM339DR2
Brand: ON Semiconductor
SKU: LM339DR2
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 LM339DR2

Part No.:: LM339DR2

Manufacturer:: ON Semiconductor

Package:: -

Datasheet:: LM339DR2.pdf

Description:: IC COMPARATOR QUAD SGL 14-SOIC

In Stock:: 14612

Quantity:: Add To Cart

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LM339DR2 Specifications

Package/Case:
-
Packaging:
Cut Tape (CT),Bulk
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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LM339DR2 information

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LM339DR2 Typical application Circuitry

LM339DR2

The LM339DR2 is a model within the LM339 series of integrated circuits, renowned for their functionality as quad differential comparators. These gadgets are made to compare the voltages at two inputs and to show which input is greater through a digital output. The LM339 series, including the LM339DR2, is particularly useful in a wide range of applications, such as voltage level detection, sensor interfacing, and other scenarios where precise voltage comparison is required.

1. Pin Configuration: The LM339DR2 typically comes in a SOIC (Small Outline Integrated Circuit) package with 14 pins. It features four comparator units, each with an inverting (IN-) and non-inverting (IN+) input, and individual outputs. Additionally, it has pins for VCC (positive power supply) and GND (ground).

2. Power Supply Connections: The VCC pin is connected to the positive power supply, and the GND pin to the ground. The LM339DR2 operates across a range of single or dual power supplies, and it's crucial to ensure that the supply voltage is within the IC's specified operational range.

3. Input Connections: Each comparator on the LM339DR2 has an inverting and a non-inverting input. The comparator's output changes state depending on whether the inverting input voltage is higher or lower than the non-inverting input voltage.

4. Output Connections: The outputs of the LM339DR2 are open-collector, meaning they can sink current but cannot source it. Thus, a pull-up resistor is typically connected to each output to pull it high under normal conditions.

5. Comparator Functionality: The LM339DR2 is used in applications where voltage levels need to be compared, such as in sensor interfaces, voltage level detection, and window comparators. The output of each comparator will go high or low depending on the comparison result of the voltages at its inputs.

6. Circuit Protection: It's advisable to include protective elements like current-limiting resistors, especially when interfacing with other components that might be sensitive to higher currents.

7. Layout Considerations: When laying out a circuit with the LM339DR2, it's important to consider the routing of inputs and outputs to minimize noise and interference, especially in analog signal paths.

Designing with the LM339DR2 involves careful attention to these details to ensure effective functionality as a voltage comparator. The LM339DR2's ability to provide accurate voltage comparisons across multiple channels makes it a valuable component in a variety of electronic applications, especially in systems where digital decision-making is based on analog signals.

LM339DR2 FAQ

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3. Are the LM339DR2 price and inventory displayed accurate?

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6. What is the process for return or replacement of LM339DR2?

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 LM339DR2 we delivered, we will accept the replacement or return of the LM339DR2 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 LM339DR2.

(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