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Name: LM2903DE4
Brand: Texas Instruments
SKU: LM2903DE4
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 LM2903DE4

Part No.:: LM2903DE4

Manufacturer:: Texas Instruments

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: LM2903DE4.pdf

Description:: IC DUAL GP DIFF COMPARATR 8-SOIC

In Stock:: 2339

Quantity:: Add To Cart

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LM2903DE4 Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Bulk,Tube
Series:
-
ProductStatus:
Discontinued at Mosen
Type:
Differential
NumberofElements:
2
OutputType:
CMOS, MOS, Open-Drain, TTL
Voltage-SupplySingle/Dual(±):
2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max):
7mV @ 30V
Current-InputBias(Max):
0.25µA @ 5V
Current-Output(Typ):
20mA
Current-Quiescent(Max):
2.5mA
CMRRPSRR(Typ):
-
PropagationDelay(Max):
-
Hysteresis:
-
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

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LM2903DE4 information

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LM2903DE4 Typical application Circuitry

LM2903DE4

The LM2903DE4 is a part of the LM2903 series, which is characterized by its dual differential comparators. These comparators are integral to various electronic circuits, especially where precise voltage comparison is required. The LM2903DE4, aligning with the series' attributes, offers dependable performance over a wide range of operating conditions, making it suitable for a variety of applications that require voltage comparison.

1. Power Supply Configuration: In its standard 8-pin package, the LM2903DE4 uses pin 8 for the positive supply voltage (Vcc) and pin 4 for the ground (GND). These connections are crucial for powering the IC, whether it's operating on a single or dual supply basis.

2. Input Pins for Comparators: The LM2903DE4 houses two comparators. Each comparator has an inverting input (pin 2 for the first comparator, pin 7 for the second) and a non-inverting input (pin 3 for the first comparator, pin 6 for the second). These are the points where the input voltages for comparison are connected.

3. Output Connections: The outputs of the comparators in the LM2903DE4 are located at pin 1 for the first comparator and pin 5 for the second. These outputs can be connected to other circuit elements or stages, depending on the application's requirements.

4. Setting Up the Comparators: To configure the comparators in the LM2903DE4, you apply a reference voltage to one input (inverting or non-inverting) and the voltage to be compared to the other input. The output will change states based on the comparison between these two voltages.

5. Stabilizing the Circuit with Bypass Capacitors: Using bypass capacitors, typically around 0.1 µF, near the power supply pins is recommended to reduce noise and enhance the stability of the circuit.

6. Protective Measures for the IC: In environments where electrical disturbances are a concern, incorporating protective components such as transient voltage suppressors is advisable to safeguard the LM2903DE4.

Integrating the LM2903DE4 into a circuit necessitates a thorough understanding of these aspects for effective and reliable performance. Its capability for accurate voltage comparison and its adaptability across various conditions make the LM2903DE4 a valuable component in diverse electronic applications. For precise and effective usage, always refer to the LM2903DE4's manufacturer datasheet, which provides detailed specifications and guidelines for connections.

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6. What is the process for return or replacement of LM2903DE4?

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 LM2903DE4 we delivered, we will accept the replacement or return of the LM2903DE4 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 LM2903DE4.

(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