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INA188ID - Texas Instruments

Description: 36-V, Zero-Drift, Rail-to-Rail-Out Instrumentation Amplifier

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INA188ID Details

  • Manufacturer Part Number:

    INA188ID

  • 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):

    0.0025 µA

  • Bandwidth (3dB)-Nom:

    0.6 MHz

  • Bias Current-Max (IIB) @25C:

    0.0025 µA

  • Common-mode Reject Ratio-Min:

    118 dB

  • Input Offset Current-Max (IIO):

    0.0025 µA

  • Input Offset Voltage-Max:

    55 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    2

  • Neg Supply Voltage Limit-Max:

    -20 V

  • Neg Supply Voltage-Nom (Vsup):

    -5 V

  • Non-linearity-Max:

    0.0008%

  • 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 Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    0.9 V/us

  • Supply Voltage Limit-Max:

    20 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • 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

  • Voltage Gain-Max:

    1000

  • Voltage Gain-Min:

    1

  • Width:

    3.9 mm

INA188ID Frequently Asked Questions (FAQs)

  • The INA188ID 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) value depends on the desired gain and the input voltage range. A higher Rg value results in higher gain, but also increases noise sensitivity. TI provides a gain calculator tool to help with Rg selection.
  • The REF pin is the reference voltage input for the INA188ID. Connect it to a stable voltage source (e.g., a voltage regulator output) or to the analog ground (AGND) if the reference voltage is not used.
  • To ensure accurate measurements in high-temperature environments, use a thermally stable gain resistor (Rg) and ensure good thermal coupling between the INA188ID and the surrounding PCB. Also, consider using a temperature-compensated voltage reference for the REF pin.
  • Keep the INA188ID and its associated components (e.g., Rg, input resistors) close together to minimize noise. Use a star-grounding scheme, and route the input signals away from noisy digital signals. Also, use a solid ground plane and decouple the power supply lines.

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INA188ID 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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