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INA190A4IDDFR - Texas Instruments

Description: Current Sense Amplifiers 40V high-precision, low bias current, low power current sense amplifier with ENABLE 8-SOT-23-THIN -40 to 125

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PCB Footprints
INA190A4IDDFR - Texas Instruments PCB footprint - SOT23 (8-Pin) - SOT23 (8-Pin) - DDF0008A
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3D Models
INA190A4IDDFR - Texas Instruments  - 3D model - SOT23 (8-Pin) - DDF0008A
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INA190A4IDDFR Details

  • Manufacturer Part Number:

    INA190A4IDDFR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Date Of Intro:

    2019-11-24

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.003 µA

  • Bias Current-Max (IIB) @25C:

    0.0005 µA

  • Common Mode Voltage-Max:

    40 V

  • Common-mode Reject Ratio-Min:

    132 dB

  • Common-mode Reject Ratio-Nom:

    150 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    15 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    YES

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Seated Height-Max:

    1.1 mm

  • Slew Rate-Nom:

    0.3 V/us

  • Supply Current-Max:

    0.09 mA

  • Supply Voltage Limit-Max:

    6 V

  • Supply Voltage-Nom (Vsup):

    1.8 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:

    33

  • Voltage Gain-Nom:

    200

  • Wideband:

    NO

  • Width:

    1.6 mm

INA190A4IDDFR Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the INA190A4IDDFR is 670mW at a junction temperature of 150°C. However, it's recommended to keep the power dissipation below 500mW to ensure reliable operation.
  • To minimize noise and ensure accurate measurements, it's recommended to follow proper PCB layout practices such as separating analog and digital grounds, using a solid ground plane, and keeping sensitive analog traces away from noisy digital traces. Additionally, use a low-impedance path for the input signals and keep the input traces as short as possible.
  • The recommended input impedance for the INA190A4IDDFR is 1kΩ or higher. This ensures that the input voltage is accurately measured and minimizes the effects of input bias current.
  • Yes, the INA190A4IDDFR can be used for high-side current sensing. However, it's recommended to use an external voltage divider to scale the input voltage to within the device's input range. Additionally, ensure that the device is properly biased and that the input voltage does not exceed the maximum rating.
  • The gain error of the INA190A4IDDFR can be calculated using the formula: Gain Error (%) = (Vout - (Vref x (Rgain / Rfb))) / (Vref x (Rgain / Rfb)) x 100. Where Vout is the output voltage, Vref is the reference voltage, Rgain is the gain resistor, and Rfb is the feedback resistor.

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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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