What is the Additional Feature ?

Name: LM2903DR
Brand: Texas Instruments
SKU: LM2903DR
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 LM2903DR

Part No.:: LM2903DR

Manufacturer:: Texas Instruments

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

Datasheet:: LM2903DR.pdf

Description:: IC DUAL DIFF COMP 8-SOIC

In Stock:: 2864

Quantity:: Add To Cart

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LM2903DR Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
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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LM2903DR information

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LM2903DR Typical application Circuitry

LM2903DR

The LM2903DR is a model within the LM2903 series, a line of dual differential comparators known for their essential role in voltage comparison across various electronic circuits. The series, including the LM2903DR, is celebrated for its consistent performance in a wide range of operating conditions, making these components a go-to choice for applications requiring precise voltage comparison.

1. Power Supply Configuration: The LM2903DR typically comes in an 8-pin package. Pin 8 is designated for the positive supply voltage (Vcc), and pin 4 is used for the ground (GND). These connections are fundamental, regardless of whether the IC operates on a single or dual supply system.

2. Input Pin Arrangement for Comparators: The LM2903DR includes two comparators. Each comparator has an inverting input (pin 2 for the first comparator and pin 7 for the second) and a non-inverting input (pin 3 for the first comparator and pin 6 for the second). These inputs are where the voltages for comparison purposes are connected.

3. Output Pin Details: The outputs of the comparators in the LM2903DR are located at pin 1 for the first comparator and pin 5 for the second. These outputs can be connected to subsequent stages in the circuit or to other components as necessitated by the specific design.

4. Configuring the Comparators: The voltage to be compared is applied to one input (either inverting or non-inverting) of each comparator when configuring the LM2903DR, and a reference voltage is normally provided to the other input. The signal output of the comparator is driven by the difference between these two voltages.

5. Stability and Noise Reduction: To enhance circuit stability and reduce noise, using bypass capacitors near the power supply pins is advisable. These capacitors are typically around 0.1 µF.

6. Protective Elements for the IC: Including protective components such as transient voltage suppressors is recommended to protect the LM2903DR from electrical disturbances, especially in environments that might present such challenges.

Incorporating the LM2903DR into a circuit requires attention to these aspects to ensure its effective and reliable operation. Its ability to perform precise voltage comparisons and its versatility in various conditions make the LM2903DR a valuable component in numerous electronic applications. For accurate and effective use, always consult the LM2903DR's manufacturer datasheet, which offers detailed specifications and guidelines for connections.

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6. What is the process for return or replacement of LM2903DR?

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 LM2903DR we delivered, we will accept the replacement or return of the LM2903DR 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 LM2903DR.

(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