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OPA343UA - Texas Instruments

Description: Single-channel single-supply, rail-to-rail operational amplifiers MicroAmplifier™ series</p

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OPA343UA - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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OPA343UA Details

  • Manufacturer Part Number:

    OPA343UA

  • 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):

    0.00006 µA

  • Bias Current-Max (IIB) @25C:

    0.00001 µA

  • Common-mode Reject Ratio-Min:

    74 dB

  • Common-mode Reject Ratio-Nom:

    92 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.00001 µA

  • Input Offset Voltage-Max:

    8000 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

  • Number of Functions:

    1

  • 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:

    6 V/us

  • Supply Current-Max:

    1.25 mA

  • Supply Voltage Limit-Max:

    7.5 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:

    5500

  • Voltage Gain-Min:

    40000

  • Wideband:

    NO

  • Width:

    3.9 mm

OPA343UA Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the OPA343UA 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 OPA343UA is rated for operation from -40°C to 125°C, making it suitable for high-temperature applications. However, the maximum junction temperature (TJ) should not exceed 150°C.
  • To ensure stability, it's essential to follow proper PCB layout practices, use a low-ESR capacitor for decoupling, and avoid capacitive loads. Additionally, the OPA343UA has a phase margin of 60°, which helps to maintain stability in most applications.
  • For optimal performance, use a star-grounding technique, where the analog and digital grounds are separated and connected at a single point. Keep the input and output traces short and away from noise sources, and use a solid ground plane to reduce noise and EMI.
  • While the OPA343UA can be used as a comparator, it's not the most suitable choice due to its relatively slow slew rate (0.5V/μs) and limited bandwidth (5.5MHz). A dedicated comparator IC would be a better option for most applications.

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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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Part Image OPA343UA/2K5G4 Texas Instruments

Operational Amplifier, 1 Func, 8000uV Offset-Max, CMOS, PDSO8