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INA129MDREP - Texas Instruments

Description: Enhanced Product Precision, Low Power Instrumentation Amplifiers

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INA129MDREP Details

  • Manufacturer Part Number:

    INA129MDREP

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    INSTRUMENTATION AMPLIFIER

  • Architecture:

    CURRENT-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.016 µA

  • Bandwidth (3dB)-Nom:

    1.3 MHz

  • Bias Current-Max (IIB) @25C:

    0.008 µA

  • Common-mode Reject Ratio-Min:

    113 dB

  • Common-mode Reject Ratio-Nom:

    130 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.016 µA

  • Input Offset Voltage-Max:

    100 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    YES

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    3

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Non-linearity-Max:

    0.0055%

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °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

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    4 V/us

  • Supply Current-Max:

    1.2 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    MILITARY

  • 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:

    1300

  • Voltage Gain-Max:

    10000

  • Voltage Gain-Min:

    1

  • Wideband:

    NO

  • Width:

    3.9 mm

INA129MDREP Frequently Asked Questions (FAQs)

  • The INA129 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 input voltage range. A smaller Rg value results in higher gain, but may also increase noise. A larger Rg value results in lower gain, but may also reduce noise. Consult the datasheet for a gain calculation formula.
  • The REF pin is the reference voltage input for the INA129. It should be connected to a stable voltage source, such as a voltage regulator or a voltage reference IC. The REF pin sets the output voltage of the INA129, and it's typically connected to a voltage divider or a voltage reference circuit.
  • To filter out noise and interference, add capacitors (e.g., 10nF to 100nF) between the input pins and GND, and between the output pin and GND. You can also add a low-pass filter (e.g., RC filter) between the output pin and the load. Additionally, use a shielded cable and keep the INA129 circuit away from noise sources.
  • The INA129 can drive up to 10mA of output current. However, the output current should be limited to 5mA or less to ensure accurate measurements and to prevent overheating.

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INA129MDREP 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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