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MP7731

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5W-30W Class-D Mono Bridged Audio Amplifier
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Learn about our Evaluation Kit
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MP7731_r2.0.pdf

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Product Description

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?180mO Power MOSFETs ?Mute / Standby Mode The MP7731 utilizes a full bridge output structure capable of delivering 5W - 30W into 4O 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.

Product Features

  • 30W into 4Ω with VDD = 16.5V
  • 90% Efficiency at 5W
  • Amplifies Full Audio Range with Low THD+N
  • Typical = 0.1%
  • 9.5V to 18V Supply Voltage Operation
  • Full-Bridge Output Drive
  • 4 Integrated 180mΩ Switches
  • Turn On / Turn Off Click and Pop Suppression
  • Integrated Short Circuit Protection
  • Integrated Thermal shutdown
  • Mute / Standby Mode

Parametrics

  • PackageTSSOP20E
  • GradeCatalog
  • TypeMono BTL
  • Isw Limit (A)5
  • Total Pout (max) (W)30
  • PSRR (dB)-60
  • THD+N (%) @1W0.1
  • Efficiency (%)90
  • Vin (max) (V)18
  • Vin (min) (V)9.5

Evaluation Kit

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Kit details

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.

$50.00 + tax