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OPA656N/250 - Texas Instruments

Description: Wideband, Unity Gain Stable FET-Input Operational Amplifier

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PCB Footprints
OPA656N/250 - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DBV-005
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3D Models
OPA656N/250 - Texas Instruments  - 3D model - SOT23 (5-Pin) - DBV-005
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OPA656N/250 Details

  • Manufacturer Part Number:

    OPA656N/250

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOT-23

  • Pin Count:

    5

  • 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):

    0.00125 µA

  • Bias Current-Max (IIB) @25C:

    0.000005 µA

  • Common-mode Reject Ratio-Min:

    80 dB

  • Common-mode Reject Ratio-Nom:

    86 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    600 µV

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Low-Bias:

    YES

  • 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:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • 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:

    290 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    16 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:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    500000

  • Voltage Gain-Min:

    794.3

  • Wideband:

    YES

  • Width:

    1.6 mm

OPA656N/250 Frequently Asked Questions (FAQs)

  • A good PCB layout for the OPA656N/250 involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing decoupling capacitors close to the device. A 4-layer PCB with a dedicated ground plane is recommended.
  • The choice of gain resistors depends on the desired gain and bandwidth of the amplifier. A good starting point is to use the gain resistor values recommended in the datasheet. For custom gains, use the gain equation provided in the datasheet and choose resistors with 1% or better tolerance.
  • The maximum power dissipation of the OPA656N/250 is 1.4W. However, this can be limited by the thermal resistance of the package and the ambient temperature. Be sure to check the thermal calculations in the datasheet to ensure safe operation.
  • Yes, the OPA656N/250 can be used as a unity-gain buffer. However, the device is optimized for high-gain applications, and the bandwidth may be limited at unity gain. Be sure to check the frequency response and distortion specifications in the datasheet.
  • The OPA656N/250 has internal ESD protection, but it's still important to follow proper PCB design and handling practices to prevent damage. Use TVS diodes or voltage clamps to protect against overvoltage, and handle the device by the body or use an anti-static wrist strap to prevent ESD damage.

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OPA656N/250 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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