What is the Additional Feature ?

Name: LM211DG4
Brand: Texas Instruments
SKU: LM211DG4
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 LM211DG4

Part No.:: LM211DG4

Manufacturer:: Texas Instruments

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

Datasheet:: LM211DG4.pdf

Description:: IC DIFF COMPARATOR W/STRB 8-SOIC

In Stock:: 2797

Quantity:: Add To Cart

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LM211DG4 Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Bulk,Tube
Series:
-
ProductStatus:
Discontinued at Mosen
Type:
General Purpose
NumberofElements:
1
OutputType:
DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL
Voltage-SupplySingle/Dual(±):
3.5V ~ 30V, ±1.75V ~ 15V
Voltage-InputOffset(Max):
3mV @ ±15V
Current-InputBias(Max):
0.1µA @ ±15V
Current-Output(Typ):
50mA
Current-Quiescent(Max):
6mA
CMRRPSRR(Typ):
-
PropagationDelay(Max):
-
Hysteresis:
-
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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LM211DG4 information

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LM211DG4 Typical application Circuitry

LM211DG4

The LM211DG4 is a key component within a series of high-performance voltage comparators, known for their precision in executing voltage level comparisons across a variety of electronic applications. These comparators are engineered for tasks that require the direct comparison of two voltage levels, making the LM211DG4 particularly suitable for creating precision timing circuits, voltage level sensing, and edge detection in digital signal processing, among other applications.

1. Supply Voltage Pins (Vcc and GND): The operation of the LM211DG4 is facilitated by a flexible power supply range, accommodating anything from a single supply of 3V up to 36V, or a dual supply configuration with limits ranging from ±1.5V to ±18V. The positive supply is connected to the Vcc pin, and the ground or negative supply to the GND pin. Ensuring a clean and stable supply through the use of bypass capacitors near these pins is crucial for the optimal performance of the LM211DG4, as it minimizes noise and stabilizes the operational environment.

2. Output Configuration: The LM211DG4 features a distinctive open-collector output, which necessitates the inclusion of an external pull-up resistor connected to the positive supply to ensure proper functionality. This output configuration allows the output to be pulled low when the voltage at the non-inverting input (+IN) falls below that of the inverting input (-IN), and to remain in a high impedance state otherwise. This setup offers considerable flexibility in interfacing with different loads or circuit stages, enhancing the LM211DG4's utility in a wide array of circuit designs.

3. Comparator Inputs (+IN and -IN): Equipped with two critical input pins, the non-inverting (+IN) and inverting (-IN) inputs, the LM211DG4 performs the essential function of comparing the voltages present at these pins. The comparator's output reflects the result of this voltage comparison, enabling a wide range of applications from simple threshold detection to more complex signal conditioning tasks.

4. Strobe/Compensation Pin (STROBE): A notable feature of the LM211DG4 is the inclusion of a strobe (or compensation) pin, which introduces additional functionality. Applying a low logic level to this pin effectively disables the output, offering a means to control the comparator's operation dynamically, such as for power-saving modes or synchronized operation within a larger system.

5. Circuit Biasing and Configuration: To ensure the LM211DG4 operates as intended, it is imperative to properly bias the inputs according to the specific requirements of the application. This might involve setting up voltage dividers or applying fixed reference voltages to one of the inputs. The choice of external components, such as the value of the pull-up resistor and any capacitors for timing or filtering, is also critical in defining the comparator's function and performance in the circuit.

6. Considerations for Thermal Management: Although the LM211DG4 is designed for efficiency, thermal management should not be overlooked, especially in designs where the comparator is subject to continuous operation or elevated ambient temperatures. Effective thermal management strategies, including ensuring adequate thermal pathways to the PCB and possibly incorporating additional heat dissipation measures, are essential for maintaining the reliability and longevity of the LM211DG4.

In summary, the LM211DG4 exemplifies the series' commitment to providing high-precision, adaptable, and reliable voltage comparison solutions suitable for a diverse array of electronic applications. A thorough understanding of how each pin functions and interacts within the circuit, along with a careful selection of external components, is crucial for fully realizing the potential of the LM211DG4 in any electronic design.

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6. What is the process for return or replacement of LM211DG4?

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 LM211DG4 we delivered, we will accept the replacement or return of the LM211DG4 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 LM211DG4.

(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