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INA4181A2IPWR - Texas Instruments

Description: Current Sense Amplifiers Quad 26V, Bidirectional, Low- or High-Side Voltage Output Current Sense Amplifier 20-TSSOP -40 to 125

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INA4181A2IPWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - R-PDSO-G20, PW
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INA4181A2IPWR - Texas Instruments  - 3D model - Small Outline Packages - R-PDSO-G20, PW
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INA4181A2IPWR Details

  • Manufacturer Part Number:

    INA4181A2IPWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Date Of Intro:

    2017-12-17

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • 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:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    6.5 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    4

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TR, 13 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Seated Height-Max:

    1.2 mm

  • Slew Rate-Nom:

    2 V/us

  • Supply Current-Max:

    1 mA

  • Supply Voltage Limit-Max:

    6 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    210

  • Voltage Gain-Nom:

    50

  • Wideband:

    NO

  • Width:

    4.4 mm

INA4181A2IPWR Frequently Asked Questions (FAQs)

  • The maximum voltage that can be applied to the input pins is ±25V, but it's recommended to keep it within ±20V to ensure accurate measurements.
  • The gain of the INA4181 can be calculated using the formula: Gain = (49.4kΩ / Rg), where Rg is the gain resistor value. The gain resistor value can be chosen based on the desired gain and input range.
  • The REF pin is used to set the reference voltage for the amplifier. It can be connected to a voltage reference or a voltage divider to set the output voltage range. Typically, it's connected to a voltage reference or a voltage divider to set the output voltage range to 0-5V or 0-3.3V.
  • To reduce noise and EMI, use proper PCB layout techniques, such as separating analog and digital grounds, using a solid ground plane, and placing bypass capacitors close to the device. Additionally, use shielding and filtering techniques, such as ferrite beads and common-mode chokes, to reduce EMI.
  • The INA4181 can drive up to 10mA of current, but it's recommended to keep the output current below 5mA to ensure accurate measurements and to prevent overheating.

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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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