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OPA2686U - Texas Instruments

Description: Operational Amplifiers - Op Amps SpeedPlus(TM) Dual, Wideband, Low Noise, Voltage Feedback Operational Amplifier 8-SOIC

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OPA2686U - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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OPA2686U - Texas Instruments  - 3D model - Small Outline Packages - D0008A
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OPA2686U Details

  • Manufacturer Part Number:

    OPA2686U

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SO-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):

    20 µA

  • Bias Current-Max (IIB) @25C:

    17 µA

  • Common-mode Reject Ratio-Min:

    75 dB

  • Common-mode Reject Ratio-Nom:

    100 dB

  • Frequency Compensation:

    YES (AVCL>=7)

  • Input Offset Voltage-Max:

    1500 µV

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Neg Supply Voltage Limit-Max:

    -6.5 V

  • Neg Supply Voltage-Nom (Vsup):

    -5 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

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Min:

    310 V/us

  • Slew Rate-Nom:

    600 V/us

  • Supply Current-Max:

    27.8 mA

  • Supply Voltage Limit-Max:

    6.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Unity Gain BW-Nom:

    1600000

  • Voltage Gain-Min:

    3160

  • Wideband:

    YES

  • Width:

    3.9 mm

OPA2686U Frequently Asked Questions (FAQs)

  • For optimal performance, it is recommended to follow a star-ground layout, keep the input and output traces short and away from each other, and use a solid ground plane. Additionally, decoupling capacitors should be placed close to the power pins, and the device should be placed away from high-current or high-voltage traces.
  • The high input bias current of the OPA2686U can be handled by using a low-impedance source, such as a voltage divider or a buffer amplifier, to drive the input. Additionally, the input bias current can be cancelled out by using a matched resistor network or by using a current-sensing resistor in the feedback loop.
  • The OPA2686U can drive a maximum capacitive load of 1nF, but it is recommended to limit the capacitive load to 100pF or less to ensure stability and prevent oscillations.
  • To ensure stability and prevent oscillations, it is recommended to use a compensation capacitor between the output and the inverting input, and to keep the gain and bandwidth of the amplifier within the recommended specifications. Additionally, the layout and PCB design should be optimized to minimize parasitic capacitance and inductance.
  • It is recommended to use a 10uF ceramic capacitor in parallel with a 1uF ceramic capacitor, placed close to the power pins, to decouple the power supply. Additionally, a 100nF capacitor can be used to decouple the analog and digital power supplies.

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OPA2686U 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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