data brief for further information contact your local stmicroelectronics sales office. october 2011 doc id 022324 rev 1 1/4 4 STEVAL-CCA028V1 10 w + 10 w class-d audio amplifier demonstration board based on the tda7491p features 10 w +10 w continuous output power at thd = 10%, r l = 6 ? , v cc = 11 v 9.5 w + 9.5 w continuous output power at thd = 10%, r l = 8 ?, v cc = 12 v wide-range single-supply operation (5-18 v) high efficiency ( = 90 %) four selectable, fixed gain settings (20 db, 26 db, 30 db and 32 db) differential inputs to minimize common-mode noise filterless operation standby and mute features short-circuit and thermal overload protections externally synchronizable rohs compliant description the STEVAL-CCA028V1 demonstration board is designed for the tda7491p high-power dual btl class-d audio amplifier. thanks to its high efficiency, the device assembled in the psso36 (slug-down) package is capable of dissipating heat without any heatsink. jumpers on the board allow configuring the amplifier in order to verify all the features as single-ended or differential inputs, fixed gain settings. microswitches are also provided to enable the standby and mute functions. STEVAL-CCA028V1 www.st.com
schematic STEVAL-CCA028V1 2/4 doc id 022324 rev 1 1 schematic figure 1. circuit schematic , 1 / , 1 / , 1 5 , 1 5 9 & |