for further information contact your local stmicroelectronics sales office. january 2013 doc id 024062 rev 1 1/4 4 steval-CCA044V1 160 w + 160 w dual btl class-d audio amplifier demonstration board based on the tda7498e data brief features high output-power capability: ? 2 x 160 w / 4 at 36 v, 1 khz, thd = 10% ? 1 x 220 w / 4 at 36 v, 1 khz, thd = 10% wide-range, single supply operation (14 v- 36 v) high efficiency ( = 85%) four selectable, fixed gain settings (23.6 db, 29.6 db,33.1 db and 35.6 db) differential inputs to minimize common-mode noise standby and mute features short-circuit and thermal overload protection externally synchronizable rohs compliant description the steval-CCA044V1 demonstration board is designed for the tda7498e 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 a heatsink. jumpers on the board allow the configuration of the amplifier in order to verify all the features as single-ended or differential input, fixed gain settings. microswitches are also provided to enable the standby and mute functions. www.st.com
schematic diagram steval-CCA044V1 2/4 doc id 024062 rev 1 1 schematic diagram figure 1. steval-CCA044V1 circuit schematic / 5 5 2 s w l r q d o f r p s r q h q w v r u f l u f x l w u \ 9 & |