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OPA1641AID - Texas Instruments

Description: Single Sound-Plus High-Performance, JFET-Input Audio OpAmps

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OPA1641AID - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A-111
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OPA1641AID Details

  • Manufacturer Part Number:

    OPA1641AID

  • 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):

    0.00002 µA

  • Bias Current-Max (IIB) @25C:

    0.00002 µA

  • Common-mode Reject Ratio-Min:

    120 dB

  • Common-mode Reject Ratio-Nom:

    126 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.00002 µA

  • Input Offset Voltage-Max:

    3500 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    2

  • Neg Supply Voltage Limit-Max:

    -20 V

  • Neg Supply Voltage-Nom (Vsup):

    -18 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-Nom:

    20 V/us

  • Supply Current-Max:

    2.3 mA

  • Supply Voltage Limit-Max:

    20 V

  • Supply Voltage-Nom (Vsup):

    18 V

  • Surface Mount:

    YES

  • Technology:

    JFET

  • 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:

    11000

  • Voltage Gain-Min:

    501000

  • Wideband:

    NO

  • Width:

    3.9 mm

OPA1641AID Frequently Asked Questions (FAQs)

  • The OPA1641AID can operate with a power supply voltage up to ±18V, but it's recommended to keep it below ±15V for optimal performance and to prevent overheating.
  • To ensure stability in a unity-gain configuration, add a 10-22nF capacitor in parallel with a 1kΩ resistor between the output and the inverting input. This helps to compensate for the op-amp's internal capacitance and prevents oscillations.
  • Keep the input and output traces short and away from noise sources. Use a ground plane and decouple the power supply with 10uF and 100nF capacitors. Avoid routing high-frequency signals near the op-amp's inputs and outputs.
  • Yes, the OPA1641AID can be used as a headphone amplifier, but it's essential to add a voltage divider or a separate amplifier stage to drive the headphones, as the op-amp's output current is limited to 30mA.
  • Use a well-regulated power supply, add a 10uF capacitor in parallel with a 1Ω resistor between the power supply pins, and consider adding a noise filter or a common-mode choke to reduce electromagnetic interference.

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OPA1641AID 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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Part Image OPA1641AIDR Texas Instruments

Operational Amplifier, 1 Func, 3500uV Offset-Max, JFET, PDSO8