MP7721
2 x 10W Class-D Stereo Single-Ended Amplifier

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The MP7721 is a stereo 2 x 10W Class D Audio
Amplifier. It is one of MPS’ second generation
fully integrated audio amplifiers which
dramatically reduces solution size by integrating
the following:
250mΩ power MOSFETs
Startup / Shutdown pop elimination
Short circuit protection
Mute / Standby
The MP7721 utilizes a single ended output
structure capable of delivering 2 x 10W into 8Ω
speakers. MPS Class D Audio Amplifiers exhibit
the high fidelity of a Class A/B amplifier at
efficiencies greater than 90%. The circuit is
based on the MPS’ proprietary variable
frequency topology that delivers low distortion,
fast response time and operates on a single
power supply.
Product Features
- 2 x 10W Output at VDD = 24V into a 8Ω load
- THD+N = 0.06% at 1W, 8Ω
- 93% Efficiency at 10W
- Low Noise (190µV Typical)
- Switching Frequency Up to 1MHz
- 9.5V to 24V Operation from a Single Supply
- Integrated Startup and Shutdown Pop Elimination Circuit
- Thermal and Short Circuit Protection
- Integrated 250mΩ Switches
- Mute/Standby Modes (Sleep)
- Thermally Enhanced 20-Pin TSSOP Package with Exposed Pad
Parametrics
- GradeCatalog
- TypeStereo SE
- PackageTSSOP20F
- Isw Limit (A)4
- Total Pout (max) (W)20
- PSRR (dB)-60
- THD+N (%) @1W0.06
- Efficiency (%)93
- Vin (max) (V)24
- Vin (min) (V)9.5

10W Stereo Class D Single Ended Audio Amplifier EV Board
The EV7721DF-00A is the evaluation board for the MP7721, a stereo 10W Class D Audio Amplifier. It is one of MPS’ productions of fully integrated audio amplifiers which dramatically reduces solution size by integrating the following:
- 250mΩ power MOSFETs
- Startup / Shutdown pop elimination
- Short circuit protection circuits
- Mute / Standby
The MP7721 utilizes a single ended output structure capable of delivering 2x10W into 8Ω speakers. MPS Class D Audio Amplifiers exhibit the high fidelity of a Class A/B amplifier at efficiencies greater than 90%. 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.
$50.00 + tax
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