INA240A1PW

Effective Inventory3,422

Ultra-precise current sense amplifier

  • Manufacturer Part # : INA240A1PW

  • Package/Case: TSSOP (PW)-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.

ship1 ship2 ship3 ship4 ship5 ship6

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.

questionContent1 questionContent2 questionContent3 questionContent4 ctc pelican express chunghwa post

About Payment

We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.

If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

wire

WireTransfer

questionContent7

Paypal

cc

CreditCard

western

WesternUnion

mg

MoneyGram

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.

pg

Example

Tape and Reel

Tape and Reel

Cut Tape

Cut Tape

Tube or Tray

Tube or Tray

INA240A1PW DataSheet

no-price

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 INA240A1PW or email to us: Email: [email protected], we will contact you in 12 hours.

Details

Texas Instruments' INA240A1PW is a high-performance current sense amplifier targeted at automotive and industrial applications. Its wide input voltage range of 2.7V to 36V provides flexibility and compatibility with various systems, and the fixed gain of 50V/V allows for accurate current measurements with minimal sense voltage drop. With a low offset voltage and drift, this device maintains precision across an extensive temperature range, from -40°C to 125°C. Furthermore, its high common-mode rejection ratio of 100dB ensures dependable performance in noisy environments, making it well-suited for challenging conditions. The compact TSSOP-16 package adds to its appeal, making it an optimal choice for space-constrained installations. In summary, the INA240A1PW is a reliable and efficient current shunt monitor that fulfills the demanding requirements of high-side, bidirectional applications in the automotive and industrial sectors

Key Features

  • Maintained Accuracy: ±0.25% (Maximum)
    • Consistent Gain: 20 dB (Typical)
    • Sufficient Headroom: 10 dB (Minimum)

Application

  • Key component in power supplies
  • Reliable in industrial automation
  • Ensures accurate current monitoring

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

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 INA240A1PW PDF Download

FAQs

What is INA240A1PW?

The INA240A1PW is a high-accuracy, bidirectional, current-sensing amplifier with an integrated shunt resistor designed by Texas Instruments. It is suitable for applications requiring high-precision current measurements, such as motor control, battery monitoring, and power management systems.

How Does INA240A1PW Work?

The INA240A1PW works by sensing the voltage drop across an integrated shunt resistor to accurately measure the current flowing through the load. It utilizes a precision amplifier to amplify the small voltage signal across the shunt resistor and provides an output proportional to the load current. The bidirectional capability allows measurement of both forward and reverse currents.

How Many Pins does INA240A1PW have and What are the Functions of the Pinout Configuration?

The INA240A1PW is housed in a 16-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:

  • V+: Positive power supply pin.
  • V-: Negative power supply pin.
  • VS+: Positive shunt supply pin.
  • VS-: Negative shunt supply pin.
  • OUT: Output pin.
  • REF+: Reference voltage input pin.
  • REF-: Reference voltage input pin.
  • IN+: Non-inverting input pin.
  • IN-: Inverting input pin.
  • SENSE+: Positive shunt connection pin.
  • SENSE-: Negative shunt connection pin.

What are the Pros and Cons of INA240A1PW?

Pros:

  • High Accuracy: Provides high-precision current measurements for critical applications.
  • Bidirectional Sensing: Capable of measuring current in both directions for versatile use.
  • Integrated Shunt Resistor: Simplifies the design by integrating the current-sensing element.
  • Wide Supply Voltage Range: Operates over a wide supply voltage range, suitable for various systems.
  • Enhanced EMI Performance: Provides enhanced electromagnetic interference (EMI) performance for reliable operation in noisy environments.

Cons:

  • Cost: High-accuracy current-sensing amplifiers may have a higher cost compared to lower-precision alternatives.
  • Complexity: Requires careful consideration of layout and noise for optimal performance.
  • External Components: May require external components such as input filters for specific applications.

Are There Any Equivalents/Alternatives to INA240A1PW for Recommendation?

  • The INA139 from Texas Instruments is a similar bidirectional current-sensing amplifier with multiple gain options.
  • Alternatives to the INA240A1PW include the MAX4372 from Maxim Integrated and the ZXCT1107 from Diodes Incorporated.

Recommend Parts

  • INA190A1IRSWR

    40-V, bidirectional, ultraprecise current sense amplifier with picoamp IB & ENABLE 10-UQFN -40 to 125

    Brand: Texas Instruments Package/Case: uQFN-10

    7,042 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA190A1IDCKR

    40-V, bidirectional, ultraprecise current sense amplifier with picoamp IB & ENABLE 6-SC70 -40 to 125

    Brand: Texas Instruments Package/Case: SC70-6

    5,669 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA818IDR

    Instrumentation Amplifiers Low power (350-uA), precision instrumentation amp with +/-60-V overvoltage protection (gain pins 1, 8) 8-SOIC -40 to 125

    Brand: Texas Instruments Package/Case: SOIC-8

    3,627 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA114AP

    Gain: 1, CMRR: 0.6V/μs, Input offset voltage: 0.025mV

    Brand: Texas Instruments Package/Case: PDIP (P)-8

    6,879 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA827AIDGKR

    Low power and high precision single instrumentation amplifier with a ultra-low input bias current of 35nA and input offset voltage of 40uV

    Brand: Texas Instruments Package/Case: VSSOP (DGK)-8

    4,810 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA827AIDGK

    Wide Voltage Range Application Support

    Brand: Texas Instruments Package/Case: VSSOP (DGK)-8

    5,557 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA121UA

    Instrumentation Amplifiers FET-Input Low Power Instrumentation Amp

    Brand: Texas Instruments Package/Case: SOIC-8

    6,168 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA121U

    Instrumentation Amplifiers FET-Input Low Power Instrumentation Amp

    Brand: Texas Instruments Package/Case: SOIC-8

    3,695 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA105KU $8.964

    8-SOIC package containing a Differential Amplifier with 1 Circuit

    Brand: Texas Instruments Package/Case: SOIC (D)-8

    6,970 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA2128UA $4.745

    INA2128UA: Instrumentation Amplifier Dual 18V 16-Pin SOIC, Temperature Unit

    Brand: Texas Instruments Package/Case: SOIC-16

    5,388 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA128UA

    Instrumentation amplifier offering a 700-µA current with low power consumption

    Brand: Texas Instruments Package/Case: SOIC (D)-8

    7,916 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA128U/2K5 $2.813

    Instrumentation Amplifiers Precision Low Power Instrumentation Amp

    Brand: Texas Instruments Package/Case: SOIC-8

    4,991 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA128U

    With its compact and durable design, the INA128U is a reliable choice for various electronic projects

    Brand: Texas Instruments Package/Case: SOIC (D)-8

    4,764 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA240A3D

    -4 to 80V, bidirectional, ultra-precise current sense amplifier with enhanced PWM rejection 8-SOIC -40 to 125

    Brand: Texas Instruments Package/Case: SOIC-8

    5,154 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA240A2PWR

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

    Brand: Texas Instruments Package/Case: TSSOP-8

    3,039 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • INA240A1PWR $0.902

    Highly accurate current measurement capabilities suited for a variety of applications

    Brand: Texas Instruments Package/Case: TSSOP (PW)-8

    7,261 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1