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LM4890MX/NOPB - Texas Instruments

Description: 1 Watt Audio Power Amplifier

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LM4890MX/NOPB - Texas Instruments - PCB symbol
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LM4890MX/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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LM4890MX/NOPB - Texas Instruments - 3D model - Small Outline Packages - D0008A
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LM4890MX/NOPB Details

  • Manufacturer Part Number:

    LM4890MX/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Bandwidth-Nom:

    20 kHz

  • Consumer IC Type:

    AUDIO AMPLIFIER

  • Harmonic Distortion:

    2%

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Noise Figure-Nom:

    93 dB

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Power-Nom:

    1.2 W

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    10 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.2 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

LM4890MX/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM4890MX involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing the decoupling capacitors close to the device. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
  • The input capacitor should be a low-ESR ceramic capacitor with a value between 2.2uF to 10uF, while the output capacitor should be a low-ESR electrolytic capacitor with a value between 22uF to 100uF. The capacitor values depend on the specific application and the desired ripple voltage.
  • The LM4890MX is rated for operation from -40°C to 85°C, but the maximum ambient temperature range depends on the specific application and the power dissipation of the device. A thermal analysis should be performed to ensure the device operates within its thermal limits.
  • The LM4890MX has built-in overvoltage protection, but additional protection can be added using a voltage supervisor or a reset IC. Undervoltage protection can be achieved using a voltage detector or a brown-out detector. A fuse or a PTC can be used to protect against overcurrent conditions.
  • The recommended input voltage range for the LM4890MX is 2.7V to 5.5V, but the device can operate from 2.5V to 6V. However, the output voltage and current capabilities may be reduced at lower input voltages.

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LM4890MX/NOPB Overview

Use the download button to access the LM4890MX/NOPB schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LM489, or try a keyword search, such as Audio/Video Amplifiers

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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