INA240A2PWR

Current Sense Amplifiers -4 to 80V, bidirectional, ultra-precise current sense amplifier with enhanced PWM rejection 8-TSSOP -40 to 125
3,039 Effective Inventory

INA240A2PWR

Effective Inventory3,039

Current Sense Amplifiers -4 to 80V, bidirectional, ultra-precise current sense amplifier with enhanced PWM rejection 8-TSSOP -40 to 125

  • Manufacturer Part # : INA240A2PWR

  • Package/Case: TSSOP-8

  • Part Status : Active

  • Brand: Texas Instruments

  • Product Categories : Instrumentation, OP Amps, Buffer Amps

Quality Assurance

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

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Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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INA240A2PWR DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

Rapid Quote

Please submit RFQ for INA240A2PWR or email to us: Email: [email protected], we will contact you in 12 hours.

Details

Operating on a single 2.7V to 5.5V power supply, the INA240A2PWR has a maximum supply current of 2.4mA. It offers four fixed gains (20 V/V, 50 V/V, 100 V/V, and 200 V/V), giving users flexibility in their current sensing requirements. With its zero-drift architecture and low offset, this device enables accurate current sensing even with minimal drops across the shunt, as low as 10mV full-scale. Available in 8-pin TSSOP and 8-pin SOIC packages, the INA240A2PWR is specified for extended temperature ranges (-40°C to +125°C), ensuring reliable performance in various operating conditions

Key Features

  • Fast response time for real-time monitoring
  • Wide operating temperature range for diverse environments
  • Integrated protection against overvoltage and undervoltage
  • Robust construction for long-term reliability

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product type Analog output Common-mode voltage (max) (V) 80
Common-mode voltage (min) (V) -4 Input offset (±) (max) (µV) 25
Input offset drift (±) (typ) (µV/°C) 0.05 Voltage gain (V/V) 20, 50, 100, 200
CMRR (min) (dB) 120 Bandwidth (kHz) 400
Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 2.7
Iq (max) (mA) 2.6 Number of channels 1
Comparators (#) 0 Gain error (%) 0.2
Gain error drift (±) (max) (ppm/°C) 2.5 Slew rate (V/µs) 2
Features Bidirectional, Enhanced PWM Rejection, Low-side Capable, Ultra precise Rating Catalog
Operating temperature range (°C) -40 to 125

Specification Comparison

INA240A2PW vs INA240A2PWR vs INA240A3D INA240A2D vs INA240A2PWR vs INA240A3D

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification INA240A2PWR PDF Download

FAQs

What is INA240A2PWR?

The INA240A2PWR is a high-precision, bidirectional current-sensing amplifier with an integrated shunt resistor designed by Texas Instruments. It is ideal for applications requiring accurate current measurement in both directions, such as motor control, power management, and battery monitoring systems.

How Does INA240A2PWR Work?

The INA240A2PWR works by amplifying the voltage across an integrated shunt resistor, allowing precise measurement of current flow through the shunt. It utilizes a precision instrumentation amplifier architecture to accurately convert small shunt voltage drops into a high-precision current measurement, providing both bidirectional current sensing and common-mode voltage rejection.

How Many Pins does INA240A2PWR have and What are the Functions of the Pinout Configuration?

The INA240A2PWR is housed in an 8-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:

  • VS: Power supply pin.
  • VIOUT: Output voltage pin.
  • IN+: Non-inverting input for the current measurement.
  • IN-: Inverting input for the current measurement.
  • REF+: Reference voltage input.
  • REF-: Reference voltage input.
  • V+: Positive power supply pin.
  • V-: Negative power supply pin.

What are the Pros and Cons of INA240A2PWR?

Pros:

  • Precision: Offers high accuracy and linearity for current measurements.
  • Bidirectional Sensing: Capable of measuring current flow in both directions with high precision.
  • Integrated Shunt Resistor: Simplifies the current sensing design by including the shunt resistor in the package.
  • Wide Common-Mode Range: Allows for versatile current measurement in different system configurations.
  • Low Drift: Provides low offset voltage and drift for stable and accurate current measurements over time.

Cons:

  • Cost: Integrated high-precision current sensing amplifiers may have a higher cost compared to simpler current measurement solutions.
  • External Components: May require careful PCB layout and additional filtering for optimal performance in noisy environments.

Are There Any Equivalents/Alternatives to INA240A2PWR for Recommendation?

  • The INA139 from Texas Instruments offers similar bidirectional current sensing capabilities.
  • An alternative to the INA240A2PWR is the MAX4376 from Maxim Integrated, which also provides high-precision bidirectional current sensing.

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