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Name: LM393DT
Brand: Rohm Semiconductor
SKU: LM393DT
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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Rohm Semiconductor LM393DT

Part No.:: LM393DT

Manufacturer:: Rohm Semiconductor

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

Datasheet:: LM393DT.pdf

Description:: IC COMPARATOR DUAL 0.4MA 8-SOIC

In Stock:: 3284

Quantity:: Add To Cart

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LM393DT Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Signature
ProductStatus:
Active
Type:
General Purpose
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):
16mA @ 5V
Current-Quiescent(Max):
2.5mA
CMRRPSRR(Typ):
-
PropagationDelay(Max):
-
Hysteresis:
-
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

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LM393DT information

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LM393DT Typical application Circuitry

LM393DT

The LM393DT is a significant variant in the LM393 series of integrated circuits, recognized for their dual differential comparators. This series is acclaimed in electronic design for its adeptness in voltage comparison, crucial in a variety of electronic applications. The LM393DT is particularly valued for its minimal power requirements and adaptability to operate across a diverse array of supply voltages.

1. Connection of Power Supply: The effective functioning of the LM393DT hinges on its power supply connections. It includes two essential pins: Vcc, the positive supply voltage, and GND, the ground. The LM393DT is engineered to work within a voltage range, typically from 2V to 36V for single supply operations, and ±1V to ±18V for dual supply configurations. Accurate and stable connections to these pins are crucial for the IC to perform optimally.

2. Configuring Input Pins: The dual comparator functionality of the LM393DT is encapsulated in its input pin configuration. Each comparator in the LM393DT has an inverting (IN-) and a non-inverting (IN+) input. These inputs are central to the comparator's function, receiving the voltages to be compared. Typically, the inverting input is used for a fixed reference voltage, while the non-inverting input connects to a variable voltage that is compared against this reference.

3. Output Pin Setup: The LM393DT features distinct output pins for each comparator. These outputs are designed as 'open-collector', necessitating the inclusion of external pull-up resistors to ensure proper functionality. Many digital interface applications can benefit from the LM393DT because of its versatile output, which is high when the contrary is true and low when the voltage at the non-inverting input is higher than the voltage at the inverting input.

4. Stabilizing the Circuit: It is recommended to integrate a bypass capacitor in the circuit using the LM393DT. Positioned between the Vcc and GND pins, preferably close to the IC, this capacitor aids in maintaining a stable supply voltage and reducing noise, which is crucial for the efficient operation of the comparator.

Incorporating the LM393DT into an electronic circuit demands a comprehensive understanding of its pin layout and their specific functionalities. This knowledge is vital for effectively leveraging the LM393DT in various applications, from straightforward voltage level detection to more complex systems like oscillators and analog-to-digital converters.

In summary, the successful implementation of the LM393DT in electronic designs is contingent on meticulous power supply management, precise input signal connections, and appropriate configuration of the output stage. These considerations are key to fully harnessing the capabilities of this versatile and efficient comparator IC in a broad spectrum of electronic applications.

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6. What is the process for return or replacement of LM393DT?

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 LM393DT we delivered, we will accept the replacement or return of the LM393DT 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 LM393DT.

(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