LM4881MX/NOPB by Texas Instruments | Audio Amplifiers | Avnet ASIA
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LM4881MX/NOPB

Texas Instruments

Audio Amp Headphone 2-CH Stereo 0.3W Class-AB 8-Pin SOIC N T/R

Manufacturer Part #: LM4881MX/NOPB

Alternate Part #: LM4881MX/NOPB


RoHS Compliant

Descriptions

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Information

The LM4881 is a dual audio power amplifier capable of delivering 200mW of continuous average power into an 8Ω load with 0.1% THD+N from a 5V power supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components using surface mount packaging. Since the LM4881 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.

The LM4881 features an externally controlled, low power consumption shutdown mode which is virtually clickless and popless, as well as an internal thermal shutdown protection mechanism.

The unity-gain stable LM4881 can be configured by external gain-setting resistors.

Key Features

  • VSSOP Surface Mount Packaging
  • Unity-gain Stable
  • External Gain Configuration Capability
  • Thermal Shutdown Protection Circuitry
  • No Bootstrap Capacitors, or Snubber Circuits are Necessary
  • THD+N at 1kHz at 125mW Continuous Average Output Power into 8Ω 0.1% (max)
  • THD+N at 1kHz at 75mW Continuous
    0.02% (typ)
  • Output Power at 10% THD+N at 1kHz into 8Ω 300 mW (typ)
  • Shutdown Current 0.7µA (typ)
  • Supply Voltage Range 2.7V to 5.5 V
  • Technical Attributes

    Description
    Value
    Find similar Parts
    Product Dimensions
    4.9 x 3.9 x 1.45 mm
    Maximum Input Offset Voltage
    50@5V mV
    Supplier Package
    SOIC N
    Maximum Single Supply Voltage
    5.5 V
    Lead Finish
    Matte Tin
    Output Type
    2-Channel Stereo
    Function
    Headphone
    Typical Single Supply Voltage
    3|5 V
    MSL Level
    1
    Rail to Rail
    No
    Output Signal Type
    Single
    Pin Count
    8
    Input Signal Type
    Single
    Power Supply Type
    Single
    Total Harmonic Distortion Noise
    0.025@16Ohm@120mW|0.02@32Ohm@75mW %
    Maximum Load Resistance
    32 Ohm
    Typical PSRR
    50 dB
    Mounting
    Surface Mount
    Max Processing Temp
    260
    Typical Output Power x Channels @ Load
    0.3x2@8Ohm W
    Minimum Single Supply Voltage
    2.7 V
    Operating Temperature
    -40 to 85 °C
    Amplifier Type
    Class-AB

    ECCN / UNSPSC

    Description
    Value
    ECCN:
    EAR99
    SCHEDULE B:
    8542330000
    HTSN:
    8542.33.00.01
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101
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