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INA157UA/2K5 - Texas Instruments

Description: SP Amp Difference Amplifier Single ±18V 8-Pin SOIC T/R

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INA157UA/2K5 - Texas Instruments - PCB symbol
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PCB Footprints
INA157UA/2K5 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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INA157UA/2K5 - Texas Instruments - 3D model - Small Outline Packages - D0008A
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INA157UA/2K5 Details

  • Manufacturer Part Number:

    INA157UA/2K5

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    3

  • Neg Supply Voltage-Max (Vsup):

    -18 V

  • Neg Supply Voltage-Min (Vsup):

    -4 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Channels:

    1

  • 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:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    36 V

  • Supply Voltage-Min (Vsup):

    8 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

INA157UA/2K5 Frequently Asked Questions (FAQs)

  • The maximum power dissipation of INA157UA/2K5 is 670mW, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (RθJA) of 125°C/W.
  • To minimize noise and ensure optimal performance, it is recommended to follow proper PCB layout techniques, such as separating analog and digital grounds, using a solid ground plane, and keeping sensitive analog signals away from noisy digital signals. Additionally, the INA157UA/2K5 should be placed close to the signal source and the output should be routed away from the input to prevent feedback.
  • The recommended input impedance for optimal performance is 1kΩ to 10kΩ. This impedance range ensures that the input signal is properly terminated and that the INA157UA/2K5 can provide the highest common-mode rejection ratio (CMRR) and signal-to-noise ratio (SNR).
  • Yes, the INA157UA/2K5 can be used in a single-supply application. However, the input common-mode voltage range is limited to VCC-1.5V to VCC+0.5V, and the output voltage swing is reduced. It is recommended to use a voltage divider or an op-amp to level-shift the input signal to ensure that it falls within the acceptable common-mode voltage range.
  • The gain error and offset voltage of the INA157UA/2K5 can be calculated using the formulas provided in the datasheet. The gain error is typically ±0.05% and the offset voltage is typically ±250μV. These values can be trimmed using external resistors or potentiometers.

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INA157UA/2K5 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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