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OPA861ID - Texas Instruments

Description: Texas Instruments OPA861ID Transconductance Op Amp, 5 V, 8-Pin SOIC

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OPA861ID Details

  • Manufacturer Part Number:

    OPA861ID

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia

  • 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):

    6.6 µA

  • Bandwidth (3dB)-Nom:

    80 MHz

  • Bias Current-Max (IIB) @25C:

    5 µA

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    20000 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    2

  • Neg Supply Voltage Limit-Max:

    -6.5 V

  • Neg Supply Voltage-Nom (Vsup):

    -5 V

  • 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,.25

  • 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-Min:

    390 V/us

  • Slew Rate-Nom:

    900 V/us

  • Supply Current-Max:

    5.4 mA

  • Supply Voltage Limit-Max:

    6.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • 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:

    80000

  • Wideband:

    YES

  • Width:

    3.9 mm

OPA861ID Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a star-ground layout with a single-point ground connection to minimize noise and parasitic inductance. Keep the input and output traces short and away from each other to reduce capacitive coupling.
  • To minimize the effects of input bias current, use a high-impedance source or add a bias current cancellation resistor. For input offset voltage, use a voltage reference or add an offset nulling circuit. Consult the datasheet for specific values and circuit configurations.
  • The OPA861ID can drive up to 1nF of capacitive load without oscillation or instability. However, it's recommended to use a series resistor (Rs) to dampen the load and ensure stability. Consult the datasheet for Rs values and load capacitance calculations.
  • In a gain-of-1 configuration, add a small capacitor (typically 10pF to 100pF) between the output and the inverting input to ensure stability. This capacitor helps to compensate for the op-amp's internal capacitance and prevents oscillation.
  • Use a 10uF to 22uF ceramic capacitor in parallel with a 1uF to 10uF film capacitor for power supply decoupling. Place these capacitors as close as possible to the op-amp's power pins to minimize noise and ripple.

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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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