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OPA349SA/3KG4 - Texas Instruments

Description: Operational Amplifiers - Op Amps 1uA Rail-to-Rail CMOS Oper Amplifier

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PCB Footprints
OPA349SA/3KG4 - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DCK (R-PDSO-G5)
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3D Models
OPA349SA/3KG4 - Texas Instruments  - 3D model - SOT23 (5-Pin) - DCK (R-PDSO-G5)
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OPA349SA/3KG4 Details

  • Manufacturer Part Number:

    OPA349SA/3KG4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    SOIC

  • Pin Count:

    5

  • 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:

    48 dB

  • Common-mode Reject Ratio-Nom:

    60 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.00001 µA

  • Input Offset Voltage-Max:

    10000 µV

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP6,.08

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Slew Rate-Nom:

    0.02 V/us

  • Supply Current-Max:

    0.002 mA

  • Supply Voltage Limit-Max:

    5.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    70

  • Voltage Gain-Min:

    1000

  • Wideband:

    NO

  • Width:

    1.25 mm

OPA349SA/3KG4 Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a layout that minimizes parasitic inductance and capacitance, keeps the input and output traces short and away from each other, and uses a solid ground plane to reduce noise and electromagnetic interference (EMI).
  • The output capacitor should be chosen based on the desired output impedance, stability, and noise performance. A general rule of thumb is to use a capacitor with a value between 10nF to 100nF, and a voltage rating that exceeds the maximum output voltage of the op-amp.
  • The maximum power dissipation of OPA349SA/3KG4 is dependent on the ambient temperature and the thermal resistance of the package. According to the datasheet, the maximum power dissipation is 500mW at 25°C, but this can be derated to 250mW at 85°C.
  • Yes, OPA349SA/3KG4 is rated for operation from -40°C to 125°C, making it suitable for high-temperature applications. However, the device's performance and reliability may degrade at extreme temperatures, and the maximum power dissipation should be derated accordingly.
  • To protect OPA349SA/3KG4 from EMI, use a shielded enclosure, keep the input and output traces short and away from each other, and use a common-mode choke or ferrite bead on the input and output lines. Additionally, use a low-pass filter or a shielded cable to reduce radiated emissions.

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OPA349SA/3KG4 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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