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OPA2743UA - Texas Instruments

Description: Texas Instruments OPA2743UA, Dual Op Amp, 7MHz CMOS, Rail to Rail, 5 V, 9 V, 8-Pin SOIC

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OPA2743UA - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D(R-PDSO-G)
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OPA2743UA Details

  • Manufacturer Part Number:

    OPA2743UA

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    1

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.00001 µA

  • Bias Current-Max (IIB) @25C:

    0.00001 µA

  • Common-mode Reject Ratio-Min:

    66 dB

  • Common-mode Reject Ratio-Nom:

    84 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.00001 µA

  • Input Offset Voltage-Max:

    7000 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    2

  • Neg Supply Voltage Limit-Max:

    -6.6 V

  • Neg Supply Voltage-Nom (Vsup):

    -5 V

  • Number of Functions:

    2

  • 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

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    10 V/us

  • Supply Current-Max:

    2 mA

  • Supply Voltage Limit-Max:

    6.6 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • 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:

    7000

  • Voltage Gain-Min:

    19950

  • Wideband:

    NO

  • Width:

    3.9 mm

OPA2743UA Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the OPA2743UA is 670mW, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 125°C/W.
  • Yes, the OPA2743UA is rated for operation from -40°C to 125°C, making it suitable for high-temperature applications. However, the device's performance may degrade at higher temperatures, and the maximum junction temperature should not be exceeded.
  • To ensure stability, it's essential to follow proper compensation techniques, such as adding a capacitor in parallel with the feedback resistor or using a series resistor-capacitor network in the feedback path. Additionally, the OPA2743UA has a built-in compensation capacitor, which helps to improve stability.
  • To minimize noise and ensure optimal performance, it's recommended to use a star-grounding technique, where the analog and digital grounds are separated and connected at a single point. Additionally, keep the input and output traces short and away from noise sources, and use a solid ground plane to reduce electromagnetic interference (EMI).
  • Yes, the OPA2743UA can be used as a unity-gain buffer. However, it's essential to ensure that the input impedance is matched to the source impedance to prevent signal attenuation. Additionally, the output impedance of the OPA2743UA is relatively low, making it suitable for driving low-impedance loads.

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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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