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INA155E/250 - Texas Instruments

Description: Texas Instruments INA155E/250 Instrumentation Amplifier, 1mV Offset, CMMR 92dB, 3 V, 5 V, 8-Pin MSOP, R-RO

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INA155E/250 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - msop8
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INA155E/250 - Texas Instruments  - 3D model - Small Outline Packages - msop8
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INA155E/250 Details

  • Manufacturer Part Number:

    INA155E/250

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    MSOP

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    INSTRUMENTATION AMPLIFIER

  • Average Bias Current-Max (IIB):

    0.00001 µA

  • Bandwidth (3dB)-Nom:

    0.55 MHz

  • Bias Current-Max (IIB) @25C:

    0.00001 µA

  • Common-mode Reject Ratio-Min:

    92 dB

  • Input Offset Current-Max (IIO):

    0.00001 µA

  • Input Offset Voltage-Max:

    1000 µV

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    2

  • Non-linearity-Max:

    0.015%

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.19

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Slew Rate-Nom:

    6.5 V/us

  • Supply Current-Max:

    2.8 mA

  • Supply Voltage Limit-Max:

    7.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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

  • Voltage Gain-Max:

    50

  • Voltage Gain-Min:

    10

  • Voltage Gain-Nom:

    10

  • Width:

    3 mm

INA155E/250 Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the INA155E/250 is ±25V, but it's recommended to keep it within ±20V to ensure accurate measurements and prevent damage to the device.
  • The gain resistor (Rg) should be chosen based on the desired gain and the input voltage range. A higher gain resistor value results in higher gain, but also increases the noise and offset voltage. TI provides a gain resistor calculator tool to help with the selection.
  • The INA155E/250's performance is affected by temperature, with changes in offset voltage, gain, and noise. The device is specified to operate from -40°C to 125°C, but the accuracy and linearity may degrade at extreme temperatures. It's essential to consider temperature compensation and calibration in the system design.
  • The INA155E/250 is suitable for high-frequency applications up to 50 kHz, but the bandwidth and noise performance may degrade at higher frequencies. For frequencies above 50 kHz, it's recommended to use a more specialized instrumentation amplifier, such as the INA165 or INA186.
  • To minimize noise and interference, it's essential to follow good PCB layout practices, such as separating analog and digital grounds, using a solid ground plane, and keeping the input and output traces short and shielded. TI provides a layout guide and application notes to help with the design.

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INA155E/250 Overview

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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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