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INA146UA - Texas Instruments

Description: INA146UA, Differential Amplifier 5, 9, 12, 15, 18, 24, 28V 8-Pin SOIC

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INA146UA - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D
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INA146UA Details

  • Manufacturer Part Number:

    INA146UA

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Amplifier Type:

    INSTRUMENTATION AMPLIFIER

  • Average Bias Current-Max (IIB):

    0.05 µA

  • Bandwidth (3dB)-Nom:

    0.05 MHz

  • Common-mode Reject Ratio-Min:

    76 dB

  • Input Offset Current-Max (IIO):

    0.005 µA

  • Input Offset Voltage-Max:

    5000 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    3

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Non-linearity-Max:

    0.01%

  • 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 Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    0.45 V/us

  • Subcategory:

    Instrumentation Amplifier

  • Supply Current-Max:

    0.75 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • 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

  • Unity Gain BW-Nom:

    500

  • Voltage Gain-Max:

    100

  • Voltage Gain-Min:

    0.1

  • Voltage Gain-Nom:

    1

  • Width:

    3.9 mm

INA146UA Frequently Asked Questions (FAQs)

  • The INA146UA can handle input voltages up to ±650mV, but it's recommended to keep the input voltage within ±500mV to ensure accurate measurements.
  • The gain resistor (Rg) should be chosen based on the desired gain and the input voltage range. A smaller Rg value results in higher gain, but also increases the noise and offset voltage. A good starting point is to use the recommended Rg value from the datasheet and adjust as needed for your specific application.
  • The REF pin is a reference voltage output that can be used as a voltage reference for the system. It's typically connected to the analog-to-digital converter (ADC) reference input or used as a voltage reference for other components in the system. The REF pin output is 1.024V ±1% and can source up to 10mA.
  • To minimize noise and interference, use proper PCB layout techniques, such as separating analog and digital grounds, using a solid ground plane, and keeping the input and output traces short and shielded. Additionally, use a low-pass filter or a ferrite bead to filter out high-frequency noise.
  • The typical settling time for the INA146UA is around 10µs to 20µs, depending on the gain and input voltage. This settling time can affect measurement accuracy if the input signal is changing rapidly. To ensure accurate measurements, ensure that the input signal is stable for at least 2-3 times the settling time before taking a measurement.

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INA146UA 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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