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Name: LM293ADT
Brand: STMicroelectronics
SKU: LM293ADT
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 LM293ADT

Part No.:: LM293ADT

Manufacturer:: STMicroelectronics

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

Datasheet:: LM293ADT.pdf

Description:: IC COMP DUAL LP BIPO 8SOIC

In Stock:: 7184

Quantity:: Add To Cart

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LM293ADT 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):
2mV @ 30V
Current-InputBias(Max):
0.1µA @ 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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LM293ADT information

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LM293ADT Typical application Circuitry

LM293ADT

The LM293ADT is a dual voltage comparator integrated circuit, commonly used for comparing two input voltage levels and providing a digital output indicating which is higher.

Application Scenarios: The LM293ADT is widely used in sensor interfacing, signal conditioning, battery chargers, and other electronic circuits where voltage comparison is required.

Key Features: It operates over a wide voltage range, has a low input bias current, and a low input offset voltage. The LM293ADT can work with both single and dual power supplies.

Circuit Design Example – Battery Level Indicator:

1. Power Supply Connection: Attach pin 8 (VCC) of the LM293ADT to a power source, such as 5V. This is the comparator's positive supply voltage.

2. Grounding: Attach the LM293ADT's pin 4 (GND) to the ground of the circuit. As a result, the comparator has a shared reference point.

3. Reference Voltage Setup: Connect a reference voltage (e.g., 3V) to pin 5 (IN1-), the inverting input of the first comparator. This voltage will be used as a threshold for comparison.

4. Battery Voltage Input: Connect the positive terminal of the battery to be monitored to pin 6 (IN1+), the non-inverting input of the first comparator.

5. Output Connection: The comparison result is provided by Pin 1 (OUT1) of the LM293ADT. Use this pin to connect an LED or an input from a microcontroller to show whether the battery voltage is higher or lower than the reference value.

6. Feedback Network for Hysteresis: To add hysteresis and prevent oscillations, a resistor feedback network can be added between pin 1 (OUT1) and pin 6 (IN1+).

7. Optional Second Comparator: The LM293ADT contains a second comparator that can be used for an additional voltage comparison, with pins 2, 3, and 7 serving as the output, inverting input, and non-inverting input, respectively.

Design considerations: Take into account the input signal levels, hysteresis requirement, power supply voltage, and reference voltage accuracy while designing with the LM293ADT. For correct operation, it's also critical to make sure the input voltages stay within the designated range.

In summary, the LM293ADT is essential in applications like battery level indicators, where voltage comparison is crucial. Implementing this circuit involves careful planning regarding power supply, reference voltage, input connections, and output interfacing for effective and reliable operation.

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6. What is the process for return or replacement of LM293ADT?

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 LM293ADT we delivered, we will accept the replacement or return of the LM293ADT 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 LM293ADT.

(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