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OPA345UA - Texas Instruments

Description: Single 3MHz, single-supply, rail-to-rail operational amplifiers MicroAmplifier™ series

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OPA345UA - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G8)
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OPA345UA - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G8)
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OPA345UA Details

  • Manufacturer Part Number:

    OPA345UA

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • 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:

    1

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.00001 µA

  • Bias Current-Max (IIB) @25C:

    0.000001 µA

  • Common-mode Reject Ratio-Min:

    76 dB

  • Common-mode Reject Ratio-Nom:

    92 dB

  • Frequency Compensation:

    YES (AVCL>=5)

  • Input Offset Current-Max (IIO):

    0.00001 µA

  • Input Offset Voltage-Max:

    1000 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    YES

  • 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,.3

  • 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:

    2 V/us

  • Supply Current-Max:

    0.25 mA

  • Supply Voltage Limit-Max:

    7.5 V

  • Supply Voltage-Nom (Vsup):

    5.5 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:

    3000

  • Voltage Gain-Min:

    31600

  • Wideband:

    NO

  • Width:

    3.9 mm

OPA345UA Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the OPA345UA is dependent on the ambient temperature and the package type. For the UA package, the maximum power dissipation is 670mW at 25°C. However, it's recommended to derate the power dissipation by 6.7mW/°C above 25°C.
  • To ensure stability in a unity-gain configuration, it's recommended to add a 10nF to 22nF capacitor between the output and the inverting input pins. This capacitor helps to compensate for the internal pole and ensures stability.
  • To minimize noise and EMI, it's recommended to follow good PCB layout practices such as keeping the input and output traces short and separate, using a solid ground plane, and avoiding routing signals near the op-amp's inputs. Additionally, decoupling capacitors should be placed close to the op-amp's power pins.
  • While the OPA345UA can be used as a comparator, it's not recommended due to its relatively slow slew rate and limited output current. Texas Instruments recommends using a dedicated comparator such as the LM339 or LM2901 for comparator applications.
  • To prevent ESD damage, it's recommended to handle the OPA345UA with an anti-static wrist strap or mat, and to ensure that the PCB and components are properly grounded during assembly and testing.

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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 OPA345UA/2K5 Texas Instruments

Operational Amplifier, 1 Func, 1200uV Offset-Max, CMOS, PDSO8