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OPA1644AIPW - Texas Instruments

Description: OPA1641/1642/1644 SoundPLUS™ High-Performance, JFET-Input Audio OpAmps

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OPA1644AIPW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW (R-PDSO-G14)
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OPA1644AIPW - Texas Instruments  - 3D model - Small Outline Packages - PW (R-PDSO-G14)
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OPA1644AIPW Details

  • Manufacturer Part Number:

    OPA1644AIPW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    14

  • 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-G14

  • JESD-609 Code:

    e4

  • Length:

    5 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:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Slew Rate-Nom:

    20 V/us

  • Supply Current-Max:

    9.2 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:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    11000

  • Voltage Gain-Min:

    501000

  • Wideband:

    NO

  • Width:

    4.4 mm

OPA1644AIPW Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the OPA1644AIPW is 1.4W, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 64.5°C/W.
  • To ensure stability, it's recommended to use a compensation capacitor (CC) between the output and the inverting input pins. The value of CC depends on the gain and bandwidth requirements, but a typical value is around 10-22pF.
  • To minimize noise and EMI, it's recommended to use a star-ground configuration, keep the input and output traces short and away from each other, and use a ground plane to shield the device. Additionally, decoupling capacitors should be placed close to the power pins.
  • Yes, the OPA1644AIPW can be used in a single-supply configuration, but it's recommended to use a voltage divider or a virtual ground circuit to set the input common-mode voltage to mid-supply. This ensures optimal performance and prevents output voltage clipping.
  • To protect the OPA1644AIPW from input overvoltage, it's recommended to use input clamping diodes or a voltage limiter circuit to prevent the input voltage from exceeding the maximum rating of 6V.

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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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