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OPA2234U/2K5G4 - Texas Instruments

Description: Precision Amplifiers Low Power Prec Sngl-Sply Oper Amp

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OPA2234U/2K5G4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D
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OPA2234U/2K5G4 Details

  • Manufacturer Part Number:

    OPA2234U/2K5G4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.025 µA

  • Bias Current-Max (IIB) @25C:

    0.025 µA

  • Common-mode Reject Ratio-Min:

    91 dB

  • Common-mode Reject Ratio-Nom:

    106 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    250 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    YES

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    3

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 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:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    0.2 V/us

  • Supply Current-Max:

    0.7 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Unity Gain BW-Nom:

    350

  • Voltage Gain-Min:

    19950

  • Wideband:

    NO

  • Width:

    3.9 mm

OPA2234U/2K5G4 Frequently Asked Questions (FAQs)

  • A good PCB layout for OPA2234U/2K5G4 involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing decoupling capacitors close to the power pins. A 4-layer PCB with a dedicated analog ground layer is recommended.
  • The gain resistors (Rf and Rg) should be chosen based on the desired gain and bandwidth of the amplifier. A higher gain requires smaller resistors, but may also increase noise and reduce bandwidth. TI provides a gain resistor calculator tool to help with this selection.
  • The maximum power dissipation of OPA2234U/2K5G4 is 670mW, which is calculated based on the maximum junction temperature (150°C) and the thermal resistance of the package (125°C/W). The actual power dissipation should be derated based on the ambient temperature and the desired reliability.
  • Yes, OPA2234U/2K5G4 can be used as a unity-gain buffer by connecting the output to the inverting input and using a gain resistor (Rf) of 0 ohms. However, this configuration may not provide the best noise performance, and a dedicated buffer amplifier like OPA634 may be a better choice.
  • OPA2234U/2K5G4 has built-in ESD protection, but additional protection measures can be taken, such as using TVS diodes or ESD protection arrays on the input and output pins. Overvoltage protection can be achieved using voltage regulators or clamp circuits to limit the voltage to the recommended maximum rating.

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OPA2234U/2K5G4 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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