What is the Additional Feature ?

Name: LM339DRE4
Brand: Texas Instruments
SKU: LM339DRE4
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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Texas Instruments LM339DRE4

Part No.:: LM339DRE4

Manufacturer:: Texas Instruments

Package:: 14-SOIC (0.154, 3.90mm Width)

Datasheet:: LM339DRE4.pdf

Description:: IC QUAD DIFF COMPARATOR 14-SOIC

In Stock:: 2082

Quantity:: Add To Cart

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LM339DRE4 Specifications

Package/Case:
14-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Discontinued at Mosen
Type:
Differential
NumberofElements:
4
OutputType:
CMOS, MOS, Open-Collector, TTL
Voltage-SupplySingle/Dual(±):
2V ~ 30V, ±1V ~ 15V
Voltage-InputOffset(Max):
5mV @ 30V
Current-InputBias(Max):
0.25µA @ 5V
Current-Output(Typ):
20mA
Current-Quiescent(Max):
2.5mA
CMRRPSRR(Typ):
-
PropagationDelay(Max):
-
Hysteresis:
-
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

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LM339DRE4 information

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LM339DRE4 Typical application Circuitry

LM339DRE4

The LM339DRE4 is a model in the LM339 series of integrated circuits, recognized for their quad differential comparators. This series is designed to provide precise voltage comparisons across multiple channels, making it a key component in a variety of electronic applications. The LM339 series, including the LM339DRE4, is commonly used in voltage level detection, sensor interfacing, and other situations where the comparison of voltage levels is necessary.

1. Pin Configuration: The LM339DRE4 typically comes in a SOIC (Small Outline Integrated Circuit) package with 14 pins. These pins include four comparators, each with an inverting (IN-) and non-inverting (IN+) input, and individual outputs for each comparator. Additionally, there are pins for VCC (positive power supply) and GND (ground).

2. Power Supply Connections: The GND pin is connected to the ground, while the VCC pin is connected to the positive power source. The LM339DRE4 can operate with a wide range of single or dual power supplies. Making ensuring the supply voltage is within the IC's designated operating range is crucial.

3. Input Connections: There are inverting and non-inverting inputs on each comparator. The comparator outputs a signal based on the voltage comparison between these two inputs, indicating which input is higher.

4. Output Connections: The outputs of the LM339DRE4 are open-collector, requiring external pull-up resistors to provide a high output level. The output state changes depending on the relative voltages at the inverting and non-inverting inputs.

5. Comparator Functionality: The LM339DRE4 is used for applications that require voltage level detection and comparison, such as in digital logic systems where analog signals need to be converted into digital signals.

6. Circuit Protection: Including protective elements like current limiting resistors is advisable, particularly when the comparator outputs are interfaced with other components in the circuit.

7. Layout Considerations: In designing a circuit with the LM339DRE4, the layout should be carefully planned to minimize noise and interference, especially in the analog signal paths, to ensure accurate operation of the comparators.

Designing with the LM339DRE4 involves careful planning and precise implementation of each pin connection to ensure it functions effectively as a voltage comparator. The LM339DRE4's ability to provide accurate voltage comparisons across multiple channels makes it a valuable component in various electronic applications, particularly where precision in voltage monitoring and control is essential.

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6. What is the process for return or replacement of LM339DRE4?

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 LM339DRE4 we delivered, we will accept the replacement or return of the LM339DRE4 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 LM339DRE4.

(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