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INA821ID - Texas Instruments

Description: Instrumentation Amplifiers Precision Low Power INA

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INA821ID Details

  • Manufacturer Part Number:

    INA821ID

  • 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

  • Date Of Intro:

    2018-08-25

  • 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

INA821ID Frequently Asked Questions (FAQs)

  • The INA821ID can handle input voltages up to ±650mV, but it's recommended to keep the input voltage within ±500mV to ensure accurate measurements.
  • The gain of the INA821ID is calculated using the formula: Gain = (49.4kΩ / Rg), where Rg is the gain resistor value. The gain resistor value can be calculated using the formula: Rg = (49.4kΩ / desired gain).
  • The REF pin is used to set the reference voltage for the INA821ID. It can be connected to a voltage reference or a voltage divider to set the output voltage range.
  • The INA821ID has a bandwidth of 350kHz, making it suitable for low-frequency to moderate-frequency applications. For high-frequency applications, a different amplifier may be more suitable.
  • To reduce noise and interference, use proper PCB layout techniques, such as separating analog and digital grounds, using shielding, and minimizing trace lengths. Additionally, consider using filters or shielding on the input signals.

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INA821ID 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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