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Name: LM2903QDRQ1
Brand: Texas Instruments
SKU: LM2903QDRQ1
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 LM2903QDRQ1

Part No.:: LM2903QDRQ1

Manufacturer:: Texas Instruments

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

Datasheet:: LM2903QDRQ1.pdf

Description:: IC DUAL DIFF COMPARATOR 8-SOIC

In Stock:: 3525

Quantity:: Add To Cart

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LM2903QDRQ1 Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive, AEC-Q100
ProductStatus:
Active
Type:
Differential
NumberofElements:
2
OutputType:
CMOS, MOS, Open-Collector, TTL
Voltage-SupplySingle/Dual(±):
2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max):
7mV @ 5V
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

LM2903QDRQ1 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LM2903QDRQ1 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for LM2903QDRQ1 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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LM2903QDRQ1 information

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LM2903QDRQ1 Typical application Circuitry

LM2903QDRQ1

The LM2903QDRQ1 is a dual voltage comparator integrated circuit, designed for applications requiring comparison of two voltage levels with a digital output indicating the result.

Application Scenarios: The LM2903QDRQ1 is commonly used in automotive systems, sensor interfaces, battery monitoring circuits, and other electronic devices where voltage comparison is needed.

Key Features: It has low input bias current, low input offset voltage, and a wide supply voltage range. The gadget is automotive-grade and complies with strict reliability and quality criteria, as shown by the suffix "QDRQ1".

Circuit Design Example – Overvoltage Protection Circuit:

1. Power Supply Connection: Connect the system's power supply (e.g., 12V automotive battery) to pin 8 (VCC) of the LM2903QDRQ1.

2. Grounding: Connect pin 4 (GND) of the LM2903QDRQ1 to the circuit's ground.

3. Reference Voltage Setup: Connect a reference voltage (e.g., 10V from a voltage divider or reference IC) to pin 5 (IN1-), the inverting input of the first comparator.

4. Voltage Sensing Input: Connect the voltage to be monitored (e.g., the output of a voltage regulator) to pin 6 (IN1+), the non-inverting input of the first comparator.

5. Output Connection: Pin 1 (OUT1) of the LM2903QDRQ1 provides the comparison result. Connect this pin to a control circuit or an indicator (e.g., an LED with a series resistor) to signal if the monitored voltage exceeds the reference voltage.

6. Hysteresis Implementation: To add hysteresis and prevent oscillations, a resistor can be connected between pin 1 (OUT1) and pin 6 (IN1+).

7. Optional Second Comparator Usage: The second comparator (pins 2, 3, and 7) can be used for an additional voltage comparison or left unused if not needed.

Design Considerations: When designing with the LM2903QDRQ1, consider the power supply voltage, reference voltage accuracy, input voltage range, and the need for hysteresis to prevent noise-induced oscillations. Make sure the voltage levels at the input and output are within the comparator's operational range.

In summary, the LM2903QDRQ1 is essential in applications like overvoltage protection circuits, where accurate voltage comparison is crucial. Implementing this circuit involves careful planning regarding power supply, reference voltage, input connections, and output interfacing, along with considering hysteresis for stable operation.

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6. What is the process for return or replacement of LM2903QDRQ1?

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 LM2903QDRQ1 we delivered, we will accept the replacement or return of the LM2903QDRQ1 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 LM2903QDRQ1.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations