What is the Additional Feature ?

Name: LM339PWR
Brand: Texas Instruments
SKU: LM339PWR
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 LM339PWR

Part No.:: LM339PWR

Manufacturer:: Texas Instruments

Package:: 14-TSSOP (0.173, 4.40mm Width)

Datasheet:: LM339PWR.pdf

Description:: IC QUAD DIFF COMPARATOR 14-TSSOP

In Stock:: 2704

Quantity:: Add To Cart

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LM339PWR Specifications

Package/Case:
14-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
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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LM339PWR information

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LM339PWR Typical application Circuitry

LM339PWR

The LM339PWR is a model in the LM339 series of integrated circuits, known for their functionality as quad differential comparators. These comparators are designed to compare voltages present at their input terminals and provide digital outputs based on these comparisons. The LM339 series, including the LM339PWR, is widely used in electronic applications that require accurate voltage comparison, such as sensor interfacing, voltage level detection, and control systems.

1. Pin Configuration: The LM339PWR typically comes in a TSSOP (Thin Shrink Small Outline Package) with 14 pins. It includes four comparator units, each having an inverting (IN-) and non-inverting (IN+) input, and individual outputs for each comparator. The package also has pins for VCC (positive power supply) and GND (ground).

2. Power Supply Connections: The positive power source is linked to the VCC pin, while the ground is connected to the GND pin. The LM339PWR can operate with both single and dual power supplies, and it's crucial to ensure that the supply voltage is within the IC's specified operational range.

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

4. Output Connections: The outputs of the LM339PWR are open-collector, meaning they require external pull-up resistors to provide a high output level. The output state changes based on the relative voltages at the inverting and non-inverting inputs.

5. Comparator Functionality: The LM339PWR is used for applications that need voltage level detection and comparison, such as digital logic systems where analog signals are converted into digital signals.

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

7. Layout Considerations: When designing a circuit with the LM339PWR, careful planning of the routing for inputs and outputs is important to minimize noise and interference, particularly in analog signal paths.

Designing with the LM339PWR involves meticulous attention to detail to ensure it functions effectively as a voltage comparator. The LM339PWR'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 required.

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6. What is the process for return or replacement of LM339PWR?

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 LM339PWR we delivered, we will accept the replacement or return of the LM339PWR 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 LM339PWR.

(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