- MP7731
MP7731
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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• 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 (AAMTM, Patent No. 6,420,930; other patents pending) that delivers excellent PSRR, fast response time and operates on a single power supply.
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Features & Benefits
- 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

Active Part Numbers:
MP7731DF-LF-P MP7731DF-LF-Z
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP7731 Resources
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