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MP7720DS Datasheet(PDF) 1 Page - Monolithic Power Systems |
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MP7720DS Datasheet(HTML) 1 Page - Monolithic Power Systems |
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1 / 6 page  EV0066 MP7720: Mini 20W Stereo Class D Single Ended Audio Amplifier EVALUATION BOARD EV0066 Rev 1.1 05/12/04 www.monolithicpower.com 1 Monolithic Power Systems General Description The EV0066 is a 20W stereo evaluation board featuring MPS’ MP7720 Class D Single Ended Audio Amplifier. The EV0066 can deliver 20W into a 4 Ω load with a 24V input supply. The MP7720 is a mono 20W Class D Audio Amplifier. It is one of MPS’s second generation of fully integrated audio amplifiers which dramatically reduces solution size by integrating the following: 180mΩ power MOSFETs Start up / shut down pop elimination Short circuit protection circuits The MP7720 utilizes a single ended output structure capable of delivering 20W into 4 Ω speakers. As in all other MPS Class D Audio Amplifiers, this device exhibits the high fidelity of a Class A/B amplifier at efficiencies greater than 90%. Ordering Information Board Number MPS IC Number EV0066 MP7720DS EV0066 Evaluation Board (Actual Size = 1.0”X x 1.4”Y) Absolute Maximum Ratings Supply Voltage VDD 26V Signal Input Voltage ±2V p-p Enable Voltage –0.3 to 6V Recommended Operating Conditions Input Voltage VDD 7.5V to 24V Signal Input Voltage 1V rms Signal Input Frequency 20Hz to 20KHz Signal Source Impedance <600Ω External Enable Input 0V to 5V Speaker Resistance 4 Ω to 8Ω Performance Maximum Output Power (10% THD, 4 Ω) 20W Maximum Output Power (10% THD, 8 Ω) 10W THD (1kHz, 1W) 0.05% Power Efficiency (POUT=20W, 4Ω) 90% Features 20W Output at 24V Input Into a 4 Ω Load 0.05% THD+N @ 2W, 1KHz Into 4 Ω Load 0.05% THD+N @ 2W, 1KHz Into 8 Ω Load 90% Efficiency at 20W Integrated Start-Up and Shut-Down Pop Elimination Circuit Thermal Protection Integrated 180m Ω Power Switches Mute / Standby Mode (Sleep) Applications Televisions Home Stereo Systems Monitors |
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