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INA2181A2IDSQR - Texas Instruments

Description: Current Sense Amplifiers 26V, dual channel, bi-directional, 350kHz current sense amplifier

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INA2181A2IDSQR - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DSQ (S-PWSON-N10)-
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INA2181A2IDSQR - Texas Instruments  - 3D model - Small Outline No-lead - DSQ (S-PWSON-N10)-
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INA2181A2IDSQR Details

  • Manufacturer Part Number:

    INA2181A2IDSQR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Date Of Intro:

    2020-05-30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Bandwidth (3dB)-Nom:

    0.21 MHz

  • Common Mode Voltage-Max:

    26 V

  • Common-mode Reject Ratio-Min:

    84 dB

  • Common-mode Reject Ratio-Nom:

    100 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    150 µV

  • JESD-30 Code:

    S-PDSO-N10

  • JESD-609 Code:

    e4

  • Length:

    2 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    2

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC10,.08,16

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR, 7 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Seated Height-Max:

    0.8 mm

  • Slew Rate-Nom:

    2 V/us

  • Supply Current-Max:

    0.5 mA

  • Supply Voltage Limit-Max:

    6 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Unity Gain BW-Nom:

    210

  • Voltage Gain-Nom:

    50

  • Wideband:

    NO

  • Width:

    2 mm

INA2181A2IDSQR Frequently Asked Questions (FAQs)

  • The maximum voltage that can be applied to the input pins is ±40V, but it's recommended to keep it within the common-mode voltage range of ±12V to ensure accurate measurements.
  • The gain error can be calculated using the formula: Gain Error (%) = (Vout / (Gain x Vin)) x 100, where Vout is the output voltage, Gain is the gain setting, and Vin is the input voltage.
  • The REF pin is used to set the reference voltage for the internal ADC. It can be connected to a voltage reference or a resistive divider to set the desired reference voltage. The REF pin should be decoupled with a capacitor to ensure stability.
  • To configure the INA2181A2 for bidirectional current measurement, connect the input pins to the sense resistor, and set the gain to a suitable value. The output voltage will be proportional to the current flow, with positive voltage indicating current flow in one direction and negative voltage indicating current flow in the other direction.
  • The INA2181A2's accuracy is affected by temperature, with a typical temperature coefficient of ±50 ppm/°C. This means that the device's gain and offset will vary with temperature, affecting the overall accuracy of the measurements.

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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Part Image INA2181A2IDSQT Texas Instruments

Operational Amplifier, 2 Func, 150uV Offset-Max, 0.21MHz Band Width, PDSO10