60W Mono Bridge Tied Load Class D Audio Amplifier Evaluation Board
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The EV7748DF-00B is the BTL(Bridge Tied Load) configuration evaluation board for the MP7748, a 60W Mono Class D Audio Amplifier. It is one of MPS’ products of fully integrated audio amplifiers which dramatically reduce solution size by integrating the following:
- 250mΩ power MOSFETs
- Startup / Shutdown pop elimination
- Short circuit protection circuits
The MP7748 utilizes a Bridge Tied Load output structure capable of delivering 60W into 8Ω speakers. MPS Class D Audio Amplifiers exhibit the high fidelity of a Class A/B amplifier at high efficiency. The circuit is based on the MPS’ AAMTM proprietary variable frequency topology that delivers excellent linearity, fast response time and operates on a single power supply.
- 50W Output at VDD = 24V into a 6Ω load
- 60W Output at VDD = 30V into a 8Ω load
- THD+N = 0.03% at 1W, 8Ω, 1kHz
- Up to 94% Efficiency
- Low Noise (144μV Typical)
- 9.5V to 36V Operation from a Single Supply