Dual 200 mW Audio Power Amplifier with Shutdown Mode - LM4880

LM4880 (ACTIVE)

Dual 200 mW Audio Power Amplifier with Shutdown Mode

 

Description

The LM4880 is a dual audio power amplifier capable of delivering typically 250mW per channel of continuous average power to an 8Ω load with 0.1% THD+N using 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 LM4880 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.

The LM4880 features an externally controlled, low-power consumption shutdown mode, as well as an internal thermal shutdown protection mechanism.

The unity-gain stable LM4880 can be configured by external gain-setting resistors.

Features

  • No Bootstrap Capacitors or Snubber Circuits are Necessary
  • Small Outline (SOIC) and PDIP Packaging
  • Unity-Gain Stable
  • External Gain Configuration Capability

Key Specifications

  • THD+N at 1kHz at 200mW Continuous Average Output Power into 8Ω: 0.1% (max)
  • THD+N at 1kHz at 85mW Continuous Average Output Power into 32Ω: 0.1% (typ)
  • Output Power at 10% THD+N at 1kHz into 8Ω 325 mW (typ)
  • Shutdown Current 0.7 µA (typ)
  • 2.7V to 5.5V Supply Voltage Range

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Parametrics Compare all products in Headphone Amplifier

 
Output Power (W)
Analog Supply (V) (Min)
Analog Supply (V) (Max)
PSRR (dB)
Rating
Operating Temperature Range (C)
Approx. Price (US$)
Headphone Channels
Shutdown Current (ISD) (uA)
Iq per channel (Typ) (mA)
LM4880
0.11   
2.7   
5.5   
50   
Catalog   
-40 to 85   
0.53 | 1ku   
Stereo   
0.7   
1.8