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Name: LM293ADGKR
Brand: Texas Instruments
SKU: LM293ADGKR
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 LM293ADGKR

Part No.:: LM293ADGKR

Manufacturer:: Texas Instruments

Package:: 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Datasheet:: LM293ADGKR.pdf

Description:: IC DIFF COMPARATOR DUAL 8VSSOP

In Stock:: 3041

Quantity:: Add To Cart

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LM293ADGKR Specifications

Package/Case:
8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
Differential
NumberofElements:
2
OutputType:
CMOS, MOS, Open-Drain, TTL
Voltage-SupplySingle/Dual(±):
2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max):
2mV @ 30V
Current-InputBias(Max):
0.25µA @ 5V
Current-Output(Typ):
20mA
Current-Quiescent(Max):
2.5mA
CMRRPSRR(Typ):
-
PropagationDelay(Max):
-
Hysteresis:
-
OperatingTemperature:
-25°C ~ 85°C
MountingType:
Surface Mount

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LM293ADGKR information

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LM293ADGKR Typical application Circuitry

LM293ADGKR

The LM293ADGKR is a dual differential comparator chip, designed for comparing two input voltage levels and providing a digital output indicating the comparison result.It's commonly employed in applications where threshold-based decision-making or accurate voltage level sensing are required.

Key Applications

1. Window Comparator: Used in circuits that detect when a voltage falls within a specified range.

2. Zero-Crossing Detector: Used in AC signal processing to identify the signal's zero voltage crossing point.

3. Motor Control: Utilized in circuits for motor control to regulate direction and speed in response to voltage thresholds.

Notable Specifications

- Supply Voltage Range: Adaptable to a broad spectrum of supply voltages, ideal for a multitude of uses.

- Input Offset Voltage: Low input offset voltage is included to ensure precise comparisons.

- Propagation Delay: Provides a rapid propagation delay in order to enable prompt reaction in dynamic systems.

Design of a Window Comparator Circuit

1. Power Supply Connection: Attach the LM293ADGKR power supply's positive terminal to pin 8 of the LM293ADGKR, and its negative terminal to pin 4 of the GND pin.

2. Upper Threshold Voltage: Using a voltage divider or reference source, set an upper threshold voltage (Vupper) and link it to the first comparator's non-inverting input (pin 5).

3. Lower Threshold Voltage: Set a lower threshold voltage (Vlower) using a voltage divider or a reference source, and connect it to the inverting input (pin 6) of the second comparator.

4. Input Voltage: Connect the voltage to be monitored (Vin) to the inverting input (pin 2) of the first comparator and the non-inverting input (pin 3) of the second comparator.

5. Output Connection: Connect the outputs of both comparators (pins 1 and 7) to a logic circuit or a microcontroller to determine if Vin is within the window defined by Vupper and Vlower.

6. Decoupling Capacitor: Place a capacitor (Cdec) between the Vcc pin and GND to stabilize the power supply.

Design Points

- Power Supply Stability: In order for the LM293ADGKR to operate properly, make sure the supply voltage is within the designated range.

- Threshold Voltage Accuracy: Use precise voltage dividers or reference sources to set the upper and lower threshold voltages accurately.

- Hysteresis: Hysteresis should be added to comparators in order to guard against spurious triggering brought on by noise or minute voltage variations.

- Logic Circuit: Design the logic circuit to correctly interpret the outputs of the comparators based on the application requirements.

By following these design guidelines, the LM293ADGKR can be effectively utilized in a window comparator circuit, providing reliable detection of whether a voltage is within a specified range.

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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 LM293ADGKR we delivered, we will accept the replacement or return of the LM293ADGKR 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 LM293ADGKR.

(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