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Name: LT1719IS8
Brand: Analog Devices Inc.
SKU: LT1719IS8
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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Analog Devices Inc. LT1719IS8

Part No.:: LT1719IS8

Manufacturer:: Analog Devices Inc.

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

Datasheet:: LT1719IS8.pdf

Description:: IC COMP R-R SINGLE 4.5NS 8SOIC

In Stock:: 3949

Quantity:: Add To Cart

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LT1719IS8 Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tube
Series:
UltraFast™
ProductStatus:
Active
Type:
General Purpose
NumberofElements:
1
OutputType:
CMOS, Rail-to-Rail, TTL
Voltage-SupplySingle/Dual(±):
2.7V ~ 6V
Voltage-InputOffset(Max):
2.5mV @ ±5V
Current-InputBias(Max):
6µA @ ±5V
Current-Output(Typ):
20mA
Current-Quiescent(Max):
9mA
CMRRPSRR(Typ):
70dB CMRR, 80dB PSRR
PropagationDelay(Max):
13ns
Hysteresis:
7mV
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

LT1719IS8 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LT1719IS8 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for LT1719IS8 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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LT1719IS8 information

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LT1719IS8 Typical application Circuitry

LT1719IS8 is a high speed comparator chip designed for fast response and precision voltage comparisons, commonly used in applications requiring high-speed signal processing and control.

Application Scenario:

In motor control systems, LT1719IS8 can be utilized for overcurrent protection, ensuring safe operation and preventing damage to the motor and associated components.

Circuit Design:

To design an overcurrent protection circuit using LT1719IS8, follow these steps:

1. Current Sensing:

Connect a current sensing resistor in series with the motor's power supply line. The voltage across this resistor is proportional to the motor current. Use a differential amplifier to amplify and condition this voltage signal, providing the input to LT1719IS8.

2. Comparator Configuration:

Configure LT1719IS8 as a comparator with hysteresis. Set the reference voltage threshold at a level corresponding to the maximum allowable current. The hysteresis ensures stable switching and prevents false triggering due to noise or fluctuations.

3. Output Control:

Connect the output of LT1719IS8 to a MOSFET or relay switch that disconnects the motor from the power supply when an overcurrent condition is detected. Ensure the switch can handle the motor's current rating and voltage levels.

4. Feedback and Reset:

Integrate feedback mechanisms to provide indication or feedback when the overcurrent protection is activated. Additionally, include a reset mechanism to re-enable the motor operation once the overcurrent condition is resolved.

5. Power Supply and Grounding:

Ensure proper power supply decoupling and grounding techniques to minimize noise and ensure reliable operation of LT1719IS8 and associated components. Place decoupling capacitors near the power supply pins of the comparator.

Considerations:

When designing the circuit, it's essential to consider:

- Sensitivity and Accuracy: Choose appropriate values for the current sensing resistor and comparator reference voltage to ensure accurate detection of overcurrent conditions.

- Response Time: Optimize the hysteresis settings and comparator configuration for fast response to overcurrent events while avoiding false triggering.

- Thermal Management: Ensure adequate heat dissipation for the current sensing resistor and power dissipation considerations for LT1719IS8 to maintain reliable operation.

- Protection Circuitry: Implement additional protection features, such as reverse polarity protection or overvoltage protection, to safeguard the circuit and motor from unforeseen events.

- Testing and Validation: Thoroughly test the circuit under various load conditions and fault scenarios to verify its performance and reliability in real-world applications.

LT1719IS8 FAQ

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3. Are the LT1719IS8 price and inventory displayed accurate?

The price and inventory of LT1719IS8 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of LT1719IS8?

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 LT1719IS8 we delivered, we will accept the replacement or return of the LT1719IS8 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 LT1719IS8.

(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