EV7731DF-00A

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30W Class D Mono Bridged Audio Amplifier

  • 数量 价格
  • 1
    US$ 50.00 /unit

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Product Description

The EV7731DF-00A is the evaluation board for the MP7731, a mono, 30W Class D Audio Amplifier. It is one of MPS’ products of fully integrated audio amplifiers which dramatically reduce solution size by integrating the following:

Start Up / Shut Down Pop Elimination

Short Circuit Protection Circuits

180mΩ Power MOSFETs

Mute / Standby Mode

The MP7731 utilizes a full bridge output structure capable of delivering 30W into 4Ω speakers. As in all other MPS Class D Audio Amplifiers, this device exhibits the high fidelity of a Class AB amplifier with an efficiency of 90%. The circuit is based on the MPS’ proprietary variable frequency topology Analog Adaptive Modulation that delivers excellent linearity, fast response time and operates on a single power supply.

Product Features

  • 30W into 4Ω with VDD = 16.5V
  • 93% Efficiency at 19W with VDD=16.5V, 8Ω load
  • Low THD+N (0.1% at 1W, 8Ω, 1kHz)
  • 9.5V to 18V Supply Voltage Operation

Parametrics

  • IC Supported 1MP7731

Monolithic IC

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IC Details

The MP7731 is a mono, 5W to 30W Class-D Audio Amplifier. It is one of MPS’ second generation of fully integrated audio amplifiers which dramatically reduces solution size by integrating the following: • Start Up / Shut Down Pop Elimination • Short Circuit Protection Circuits• 180mΩ Power MOSFETs • Mute / Standby Mode The MP7731 utilizes a full bridge output structure capable of delivering 5W - 30W into 4Ω speakers. As in all other MPS Class D Audio Amplifiers, this device exhibits the high fidelity of a Class AB amplifier with an efficiency of 90%. The circuit is based on the MPS’ proprietary variable frequency topology Analog Adaptive Modulation (AAM, Patent No. 6,420,930; other patents pending) that delivers excellent PSRR, fast response time and operates on a single power supply.