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OPA342NA/3KG4 - Texas Instruments

Description: Operational Amplifiers - Op Amps Low Cost Lo-Power Rail-to-Rail

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PCB Footprints
OPA342NA/3KG4 - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DBV0005A
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3D Models
OPA342NA/3KG4 - Texas Instruments  - 3D model - SOT23 (5-Pin) - DBV0005A
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OPA342NA/3KG4 Details

  • Manufacturer Part Number:

    OPA342NA/3KG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Pin Count:

    5

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • 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:

    76 dB

  • Common-mode Reject Ratio-Nom:

    88 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.00001 µA

  • Input Offset Voltage-Max:

    6000 µV

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.45 mm

  • Slew Rate-Nom:

    1 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:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    1000

  • Voltage Gain-Min:

    31620

  • Wideband:

    NO

  • Width:

    1.6 mm

OPA342NA/3KG4 Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a layout that minimizes parasitic capacitance and inductance, with a solid ground plane and short traces. A 4-layer PCB with a dedicated analog ground plane is recommended. See the TI application note 'AN-1187: PCB Layout for Switching Regulators' for more details.
  • 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 stability. TI provides a gain resistor calculator tool to help with this selection.
  • The maximum power dissipation of OPA342NA/3KG4 is 1.4W, which is limited by the package thermal resistance (θJA) of 125°C/W. The actual power dissipation should be calculated based on the operating conditions, including supply voltage, output current, and ambient temperature.
  • Yes, OPA342NA/3KG4 can be used as a unity-gain buffer by connecting the output directly to the inverting input (i.e., Rf = 0Ω and Rg = ∞Ω). However, this configuration may reduce the stability and bandwidth of the amplifier, and may require additional compensation capacitors.
  • To protect OPA342NA/3KG4 from EMI, use a shielded enclosure, keep the amplifier away from high-frequency sources, and use bypass capacitors (e.g., 10nF to 100nF) between the power supply pins and ground. Additionally, use twisted-pair wiring and keep the input and output traces separated to minimize radiation.

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OPA342NA/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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