INA240A4PW The Texas Instruments INA240A4PW is a bidirectional, ultra-precise current sense amplifier. It features a wide common-mode voltage range and enhanced PWM rejection.
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INA240A4PW

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments INA240A4PW is a bidirectional, ultra-precise current sense amplifier. It features a wide common-mode voltage range and enhanced PWM rejection.
✓ Total Stock: 20,089 pcs
$ Price Range: $1.95

INA240A4PW Available from 1 distributor

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INA240A4PW Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Industrial Grade
SVHC Present
Tape & Reel

INA240A4PW Description

Short technical summary and product information.

The Texas Instruments INA240A4PW is a voltage-output, current-sense amplifier designed for sensing voltage drops across shunt resistors. It operates over a wide common-mode voltage range of -4 V to 80 V, independent of the supply voltage, and includes enhanced PWM rejection for suppressing common-mode transients.

 

Key electrical specifications include a maximum gain error of 0.20%, a gain drift of 2.5 ppm/°C, an offset voltage of ±25 µV, and an offset drift of 250 nV/°C. This specific variant, INA240A4, offers a gain of 200 V/V. The amplifier has a quiescent current of 2.4 mA maximum and excellent CMRR ratings of 132 dB DC and 93 dB AC at 50 kHz.

 

The INA240A4PW is housed in an 8-pin TSSOP (PW) package, suitable for surface mounting. It operates within a temperature range of -40°C to 125°C. The device is supplied in a large tape and reel format with a standard package quantity of 2000 units.

INA240A4PW Quick Information

Product Type: Current Sense Amplifier
Series: INA240
Canonical Name: INA240A4PW Bidirectional Current Sense Amplifier
Subcategory: Analog Current Sense Amplifiers

INA240A4PW Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

INA240A4PW Estimated Pricing

Qty Low High
1+ $1.95 $1.95

Estimated market price range - modelled values for guidance only, not live distributor offers.

INA240A4PW Features

  • Senses current over -4V to 80V range.
  • Provides enhanced PWM rejection.
  • Features 200 V/V gain.
  • Low offset voltage of ±25 µV.
  • Packaged in 8-pin TSSOP.

INA240A4PW Applications

  • Ideal for solenoid flyback applications.
  • Suitable for high-transient systems.
  • Used for precise current monitoring.
  • Supports bidirectional current sensing.

INA240A4PW FAQs

7 frequently asked questions generated from this part’s specifications.
What is the common-mode voltage range of the INA240A4PW?

The common-mode voltage range is -4 V to 80 V.

What gain does the INA240A4PW provide?

The INA240A4PW has a fixed gain of 200 V/V.

What is the operating temperature range?

The operating temperature range is -40 °C to 125 °C.

What package is the INA240A4PW available in?

The INA240A4PW is available in an 8-pin TSSOP package.

What is the maximum offset voltage?

The maximum offset voltage is ±25 µV.

What is the common-mode rejection ratio (CMRR)?

The DC CMRR is 132 dB; AC CMRR is 93 dB at 50 kHz.

What is the maximum quiescent current?

The maximum quiescent current is 2.4 mA.

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