LM4673TMBD

LM4673TMBD Filterless, 2.65W, Mono, Class D Audio Power Amplifier Evaluation Board

LM4673TMBD

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Overview

The LM4673 is a filterless 2.65W class D fully differential audio amplifier in an 8 pin LLP package. The LM4673 is designed to meet the demands of mobile phones and other portable communication devices. It is capable of delivering 1.24 Watts of average power to an 8 ohm load with less than 1% distortion (THD+N) from a 5V DC power supply.

The LM4673 is a filterless 2.65W class D fully differential audio amplifier in an 8 pin LLP package. The LM4673 is designed to meet the demands of mobile phones and other portable communication devices. It is capable of delivering 1.24 Watts of average power to an 8 ohm load with less than 1% distortion (THD+N) from a 5V DC power supply.

The LM4673TMBD is an evaluation board designed to ease evaluation and effort during the development of a circuit using the LM4673TM. The evaluation board includes a measurement filter. It is an easy-to-use stand-alone board that requires power and GND, a differential input signal and an output load.

Features
  • 8-lead non-pullback Leadless Leadframe package
  • Very low iddq (2.6mA at 5V, 2.1mA at 3.6V)
  • PSRR 78dB at 217Hz
  • CMRR 70dB at 217Hz
  • SNR 97dB
  • THD+N 0.02% at 3.6V (Pout = 100mA)

Applications

  • Mobile phones
  • PDAs
  • Portable electronic devices and accessories

 

Speaker amps
LM4673 2.65-W, mono, analog input Class-D speaker amp
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Evaluation board

LM4673TMBD — LM4673TMBD Filterless, 2.65W, Mono, Class D Audio Power Amplifier Evaluation Board

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Technical documentation

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Type Title Date
* Data sheet LM4673 Filterless, 2.65W, Mono, Class D Audio Power Amplifier datasheet (Rev. D) 01 May 2013
Certificate LM4673TMBD EU Declaration of Conformity (DoC) 02 Jan 2019

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