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INA821IDR - Texas Instruments

Description: 35-μV offset, 7-nV/√Hz noise, low-power, precision instrumentation amplifier

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INA821IDR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - 8-Pin SOIC-ren5
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INA821IDR - Texas Instruments  - 3D model - Small Outline Packages - 8-Pin SOIC-ren5
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INA821IDR Details

  • Manufacturer Part Number:

    INA821IDR

  • 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

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    INSTRUMENTATION AMPLIFIER

  • Average Bias Current-Max (IIB):

    0.002 µA

  • Bandwidth (3dB)-Nom:

    4.7 MHz

  • Bias Current-Max (IIB) @25C:

    0.0005 µA

  • Common-mode Reject Ratio-Min:

    136 dB

  • Common-mode Reject Ratio-Nom:

    105 dB

  • Input Offset Current-Max (IIO):

    0.002 µA

  • Input Offset Voltage-Max:

    35 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.905 mm

  • Moisture Sensitivity Level:

    2

  • Neg Supply Voltage Limit-Max:

    -20 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Non-linearity-Max:

    0.0015%

  • 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:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR, 13 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    2 V/us

  • Supply Current-Max:

    0.87 mA

  • Supply Voltage Limit-Max:

    20 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • 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:

    4700

  • Voltage Gain-Max:

    10000

  • Voltage Gain-Min:

    1

  • Voltage Gain-Nom:

    10

  • Width:

    3.895 mm

INA821IDR Frequently Asked Questions (FAQs)

  • The maximum voltage that can be applied to the input pins is ±40V, but it's recommended to keep it within ±20V to ensure accurate measurements.
  • The gain of the INA821IDR is fixed at 5V/V. You can calculate the output voltage using the formula: Vout = (Vin x Gain) + Vref, where Vin is the input voltage and Vref is the reference voltage.
  • The REF pin is used to set the reference voltage for the INA821IDR. You can connect it to a voltage reference or a voltage divider to set the desired reference voltage.
  • The INA821IDR has a bandwidth of 350 kHz, making it suitable for low-frequency to medium-frequency applications. For high-frequency applications, you may need to consider a different amplifier or add external filtering.
  • To reduce noise and interference, use proper PCB layout techniques, add bypass capacitors to the power supply, and consider adding external filtering or shielding to the circuit.

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INA821IDR 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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