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Name: INA240A1QDRQ1
Brand: Texas Instruments
SKU: INA240A1QDRQ1
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 INA240A1QDRQ1

Part No.:: INA240A1QDRQ1

Manufacturer:: Texas Instruments

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

Datasheet:: INA240A1QDRQ1.pdf

Description:: IC CURRENT SENSE 1 CIRCUIT 8SOIC

In Stock:: 3294

Quantity:: Add To Cart

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INA240A1QDRQ1 Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive, AEC-Q100
ProductStatus:
Active
AmplifierType:
Current Sense
NumberofCircuits:
1
OutputType:
-
SlewRate:
2V/µs
GainBandwidthProduct:
-
-3dbBandwidth:
400 kHz
Current-InputBias:
90 µA
Voltage-InputOffset:
5 µV
Current-Supply:
1.8mA
Current-Output/Channel:
-
Voltage-SupplySpan(Min):
2.7 V
Voltage-SupplySpan(Max):
5.5 V
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

INA240A1QDRQ1 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including INA240A1QDRQ1 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 INA240A1QDRQ1 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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INA240A1QDRQ1 information

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INA240A1QDRQ1 Typical application Circuitry

INA240A1QDRQ1

The INA240A1QDRQ1 is a high-performance current-sense amplifier that is optimized for accurate, low-cost current measurement applications. To incorporate this current-sense amplifier into your design, adhere to the following connection guide.

1. Power Supply: For the INA240A1QDRQ1 to function correctly, the supply voltage should be connected to pin 5 (V+) and should be within the range of 2.7 V to 5.5 V. Connect pin 4 (GND) to the ground of your system. These pins are critical for powering the device.

2. Sense Resistor Connection: Connect the sense resistor (Rs) across the current path you want to measure. The positive end of the sense resistor should be connected to pin 7 (IN+), and the negative end of the sense resistor should be connected to pin 6 (IN-) of the INA240A1QDRQ1. Proper connection of the sense resistor is essential for accurate current measurement.

3. Output Connection: Pin 1 (OUT) of the INA240A1QDRQ1 is the voltage output pin. The voltage it generates is proportional to the current that passes through the sensor resistor. Connect this pin to the analog input of a microcontroller, ADC, or other circuitry that will process the output voltage.

4. Gain Selection: The INA240A1QDRQ1 features multiple gain options. The required gain is chosen using pins 2 (GAIN1) and 3 (GAIN0). Connect these pins to either the supply voltage or ground according to the datasheet's gain selection table to configure the desired gain setting.

5. Input Filtering: For noise reduction, you may connect a capacitor between pin 7 (IN+) and pin 6 (IN-) of the INA240A1QDRQ1. This capacitor will filter high-frequency noise from the input signal.

6. Output Filtering: To further reduce noise and improve signal quality, you can add an RC low-pass filter at the output of the INA240A1QDRQ1. Connect a resistor and capacitor in series from pin 1 (OUT) to ground, with the connection point serving as the filtered output.

7. Decoupling Capacitors: Place a decoupling capacitor (typically 0.1 μF) close to the V+ and GND pins of the INA240A1QDRQ1. Both the power supply stability and noise level will improve as a result.

8. PCB Layout Considerations: When designing the PCB layout for the INA240A1QDRQ1, it is crucial to minimize the loop area between the sense resistor and the amplifier's input pins to reduce electromagnetic interference (EMI). Keep the sense resistor and amplifier close together and use a solid ground plane for optimal performance.

9. Configuring for Bidirectional Current Sensing: If your application requires bidirectional current sensing, you can configure the INA240A1QDRQ1 by connecting the reference pin to a mid-supply voltage. This will allow the amplifier to measure both positive and negative currents.

10. Thermal Considerations: Ensure proper thermal management in your design to prevent the INA240A1QDRQ1 from overheating. Follow the datasheet recommendations for thermal vias and heatsinks if needed.

By following these guidelines, the INA240A1QDRQ1 can provide precise current measurement with high accuracy and stability. The INA240A1QDRQ1 is a versatile choice for a wide range of applications, including industrial automation, automotive systems, and power management.

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

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