MPQ7731DF-LF-Z

MPQ7731 5W - 30W Class D Mono Bridged Audio Amplifier The Future of Analog IC Technology DESCRIPTION FEATURES The MPQ7731 is a mono, 5W - 30W Class D 30W into 4 with V = 16.5V DD Audio Amplifier. It is one of MPS second 90% Efficiency at 5W generation of fully integrated audio amplifiers which Amplifies Full Audio Range with Low THD+N dramatically reduces solution size by integrating Typical = 0.1% the following: 9.5V to 18V Supply Voltage Operation Full Bridge Output Drive Start Up / Shut Down Pop Elimination 4 Integrated 180m Switches Short Circuit Protection Circuits Turn On / Turn Off Click and Pop Suppression 180m Power MOSFETs Integrated Short Circuit Protection Mute / Standby Mode Integrated Thermal shutdown The MPQ7731 utilizes a full bridge output Mute / Standby Mode structure capable of delivering 5W - 30W into Available in 20-Pin TSSOP Package 4 speakers. As in all other MPS Class D Audio Amplifiers, this device exhibits the high APPLICATIONS fidelity of a Class AB amplifier with an efficiency Flat Panel LCD and PDP Displays of 90%. The circuit is based on the MPS Notebook and Multimedia Computers proprietary variable frequency topology Analog Televisions Adaptive Modulation (AAM, Patent No. Home Stereos 6,420,930 other patents pending) that delivers DVD and VCD Players excellent PSRR, fast response time and Game Devices and Systems operates on a single power supply. Monitors EVALUATION BOARD REFERENCE All MPS parts are lead-free, halogen free, and adhere to the RoHS directive. For MPS green status, please visit MPS website under Quality Board Number Dimensions Assurance. MPS and The Future of Analog IC Technology are Registered EV0045 4.8cm x 3.0cm x 1.5cm Trademarks of Monolithic Power Systems, Inc. TYPICAL APPLICATION THD+N vs Output Power 50 20 f=1kHz V CC + MPQ7731 V CC 10 1 20 NC PGND1 2 19 5 PIN1 SW1 3 18 AUDIO IN+ NIN1 VDD1 2 4 17 AGND1 BS1 - 1 5 16 V CC NC NC V CC + 0.5 6 15 EN1 PGND2 7 14 0.2 AUDIO IN- NIN2 SW2 8 13 PIN2 VDD2 0.1 9 12 AGND2 BS2 0.05 10 11 V CC EN EN2 NC 0.02 0.01 100M 1 10 50 OUTPUT POWER (W) MPQ7731 Rev. 2.4 www.MonolithicPower.com 1 7/7/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2015 MPS. All Rights Reserved. THD+N (%)MPQ7731 5W 30W CLASS D MONO BRIDGED AUDIO AMPLIFIER ORDERING INFORMATION Part Number* Package Top Marking Free Air Temperature (T ) A MPQ7731DF TSSOP20 MP7731DF -40 C to +85 C * For Tape & Reel, add suffix Z (e.g. MPQ7731DFZ). For RoHS Compliant packaging, add suffix LF (e.g. MPQ7731DFLFZ) PACKAGE REFERENCE NC 1 20 PGND1 PIN1 2 19 SW1 NIN1 3 18 VDD1 AGND1 4 17 BS1 NC 5 16 NC MPQ7731 EN1 6 15 PGND2 NIN2 7 14 SW2 PIN2 8 13 VDD2 AGND2 9 12 BS2 EN2 10 11 NC EXPOSED PAD (4) (1) Thermal Resistance JA JC ABSOLUTE MAXIMUM RATINGS TSSOP20................................40 ....... 6.... C/W Supply Voltage V ............................................. 26V DD BS Voltage............................ V -0.3V to V +6.5V SW SW Notes: Enable Voltage V ................................. -0.3V to 6V 1) Exceeding these ratings may damage the device. EN 2) The maximum allowable power dissipation is a function of the V , V , V .................................... -1V to V +1V SW PIN NIN DD maximum junction temperature T (MAX), the junction-to- J AGND to PGND................................... -0.3V to 0.3V ambient thermal resistance , and the ambient temperature JA (2) T . The maximum allowable continuous power dissipation at A Continuous Power Dissipation (T = +25C) A any ambient temperature is calculated by P (MAX) = (T D J ....3.1W (MAX)-T )/ . Exceeding the maximum allowable power A JA dissipation will cause excessive die temperature, and the Junction Temperature .....................................150C regulator will go into thermal shutdown. Internal thermal Lead Temperature...........................................260C shutdown circuitry protects the device from permanent Storage Temperature ....................... -65C to 150C damage. 3) The device is not guaranteed to function outside of its (3) operating conditions. Recommended Operating Conditions 4) Measured on JESD51-7, 4-layer PCB. Supply Voltage V .................................9.5V to 18V DD Operating Junct. Temp (T )........... -40C to 125C J MPQ7731 Rev. 2.4 www.MonolithicPower.com 2 7/7/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2015 MPS. All Rights Reserved.