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OPA820ID - Texas Instruments

Description: Unity Gain Stable,Low Noise,Voltage Feedback Operational Amplifier

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OPA820ID - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D
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OPA820ID Details

  • Manufacturer Part Number:

    OPA820ID

  • 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):

    23 µA

  • Bias Current-Max (IIB) @25C:

    16 µA

  • Common-mode Reject Ratio-Min:

    76 dB

  • Common-mode Reject Ratio-Nom:

    85 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    750 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.905 mm

  • Low-Bias:

    NO

  • Low-Offset:

    YES

  • 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 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:

    180 V/us

  • Slew Rate-Nom:

    240 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    5.75 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:

    280000

  • Voltage Gain-Min:

    1000

  • Wideband:

    YES

  • Width:

    3.895 mm

OPA820ID Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the OPA820ID is 670mW, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 125°C/W.
  • To ensure stability, it's essential to follow proper PCB layout practices, minimize parasitic capacitance, and use a compensation capacitor (if necessary) as recommended in the datasheet. Additionally, consider using a phase margin analyzer tool to verify stability.
  • The recommended input impedance for the OPA820ID is ≥1kΩ to ensure optimal performance and minimize input bias current effects. However, the input impedance can be lower if the source impedance is matched to the op-amp's input impedance.
  • While the OPA820ID can be used as a comparator, it's not the most suitable choice due to its relatively slow slew rate (10V/μs) and limited output current (±20mA). A dedicated comparator like the LM339 or TLV7031 might be a better option for comparator applications.
  • To protect the OPA820ID from overvoltage and ESD, use voltage clamps (e.g., TVS diodes) and ESD protection devices (e.g., ESD arrays) on the input and output pins. Additionally, follow proper PCB layout practices and use a ground plane to minimize noise and EMI.

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OPA820ID 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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