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Name: LM293DT
Brand: STMicroelectronics
SKU: LM293DT
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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STMicroelectronics LM293DT

Part No.:: LM293DT

Manufacturer:: STMicroelectronics

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

Datasheet:: LM293DT.pdf

Description:: IC COMPARATOR LP DUAL 8-SOIC

In Stock:: 2579

Quantity:: Add To Cart

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LM293DT Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
General Purpose
NumberofElements:
2
OutputType:
CMOS, DTL, ECL, MOS, Open-Collector, TTL
Voltage-SupplySingle/Dual(±):
2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max):
5mV @ 30V
Current-InputBias(Max):
0.25µA @ 5V
Current-Output(Typ):
18mA @ 5V
Current-Quiescent(Max):
2.5mA
CMRRPSRR(Typ):
-
PropagationDelay(Max):
-
Hysteresis:
-
OperatingTemperature:
-40°C ~ 105°C
MountingType:
Surface Mount

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LM293DT information

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LM293DT Typical application Circuitry

LM293DT

The LM293DT is a part of the LM293 family of integrated circuits, which is characterized by dual differential comparators. These components, crafted by Texas Instruments, are integral to systems where voltage comparison is necessary - for instance, sensing overcurrent conditions or distinguishing between two different voltage levels. The LM293DT excels in its capacity to operate across a wide voltage range and is suitable for both single and dual power supply modes.

1. Inverting Input of Comparator 1 (Pin 1): This is the inverting input to the first comparator in the LM293DT. It is where one of the voltages to be compared is connected.

2. Non-Inverting Input of Comparator 1 (Pin 2): Connect the voltage here that you wish to compare against the voltage at Pin 1, the inverting input for the first comparator.

3. Output of Comparator 1 (Pin 3): The result of the first comparator's voltage comparison is output through this pin. If Pin 2's voltage exceeds Pin 1's voltage, this output will assume a high state.

4. Positive Power Supply (VCC, Pin 4): This pin powers the LM293DT, and it should be connected to the positive terminal of your power supply within the acceptable voltage range specified for the device.

5. Output of Comparator 2 (Pin 5): The output of the second comparator is on this pin. It operates in the same manner as the first comparator, going high when the input voltage that isn't inverting is greater than the input voltage that is.

6. Non-Inverting Input of Comparator 2 (Pin 6): This pin is the non-inverting input for the second comparator. Here, you connect the voltage that you want to compare with the voltage at Pin 7.

7. Inverting Input of Comparator 2 (Pin 7): The inverting input for the second comparator is on this pin. The voltage here is compared with the voltage at Pin 6.

8. Ground (Pin 8): In single-supply operations, this pin should be connected to ground; in dual-supply operations, it should be linked to the negative power supply.

9. Prominent Features of the LM293DT:

- Dual Comparator Integration: Incorporating two comparators within a single package, the LM293DT facilitates compact and efficient circuit designs.

- Operational Versatility with Voltage: It operates effectively over a broad spectrum of supply voltages, which makes it adaptable for use in a wide range of electrical environments.

- Flexible Power Supply Compatibility: The LM293DT can be utilized with either a single or a dual power supply system, broadening its range of applications.

Implementing the LM293DT in a circuit requires careful adherence to the datasheet's guidelines. This includes the application of suitable supply voltages and observance of current capabilities. To ensure stability and reduce noise, bypass capacitors are often placed close to the power supply pins. Furthermore, depending on the subsequent circuit stages, it may be necessary to add pull-up or pull-down resistors to the output pins.

In summary, the LM293DT is a versatile and reliable component for voltage comparison applications. Its dual comparator capability and the option to work with various power supply configurations make it a valuable asset for designers in the electronics field.

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6. What is the process for return or replacement of LM293DT?

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 LM293DT we delivered, we will accept the replacement or return of the LM293DT 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 LM293DT.

(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