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1.1W Audio Power Amplifier with Logic Low Shutdown


Package | PIN: DGS | 10
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $1.55
10-24 $1.38
25-99 $1.28
100-249 $1.09
250-499 $1.01
500-749 $0.82
750-999 $0.66
1000+ $0.59


  • Does Not Require Output Coupling Capacitors, Bootstrap Capacitors, Or Snubber Circuits
  • 10-pin VSSOP and 8-pin SOIC Packages
  • Unity-Gain Stable
  • External Gain Set

Key Specifications

  • THD+N at 1kHz for 1W Continuous Average Output Power into 8Ω 0.5% (max)
  • Output Power At 1kHz Into 8Ω with 10% THD+N 1.5 W (typ)
  • Shutdown Current 0.01µA (typ)
  • Supply Voltage Range 2.0V to 5.5 V

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Texas Instruments  LM4876MM/NOPB

The LM4876 is a single 5V supply bridge-connected audio power amplifier capable of delivering 1.1W (typ) of continuous average power to an 8Ω load with 0.5% THD+N.

Like other audio amplifiers in the Boomer series, the LM4876 is designed specifically to provide high quality output power with a minimal amount of external components. The LM4876 does not require output coupling capacitors, bootstrap capacitors, or snubber networks. It is perfectly suited for low-power portable systems.

The LM4876 features an active low externally controlled, micro-power shutdown mode. Additionally, the LM4876 features an internal thermal shutdown protection mechanism. For PCB space efficiency, the LM4876 is available in VSSOP and SOIC surface mount packages.

The unity-gain stable LM4876's closed loop gain is set using external resistors.