data brief for further information contact your local stmicroelectronics sales office. may 2008 rev 1 1/4 4 STEVAL-CCA007V1 demonstration board for the ts2012 filter-free stereo 2x2.8w class d audio power amplifier features operating range from v cc = 2.5 v to 5.5 v standby mode active low output power per channel: 1.3 5 w at 5 v or 0.68 w at 3.6 v into 8 ? with 1% thd+n max output power per channel: 2.2 w at 5 v into 4 ? with 1% thd+n max four gain select settings: 6, 12, 18, 24 db low current consumption psrr: 70 db typ at 217 hz with 6 db gain fast start-up phase: 1 ms thermal shutdown protection qfn20 4x4 mm lead-free package description this demonstration board is designed for evaluation of the ts2012, a fully differential class d stereo power amplifier. the ts2012 device is housed in a qfn package and mounted on a two- layer pcb with a copper area acting as a heatsink. easily accessib le connectors on the board allow changing or driving gain select pins (g0 and g1) and standby control pins. it is also possible to change the input configuration of the ts2012. STEVAL-CCA007V1 www.st.com
schematic STEVAL-CCA007V1 2/4 1 schematic figure 1. schematic diagram * d l q 6 h o h f w * d l q 6 h o h f w 6 w d q g e \ & r q w u r o 3 : 0 + % u l g j h 3 : 0 + % u l g j h 2 v f l o o d w r u / , 1 / , 1 5 , 1 5 , 1 * * 6 7 % < / 6 7 % < 5 $ 9 $ * 1 ' 3 * 1 ' 3 * 1 ' / 2 8 7 / 2 8 7 & & 3 9 & & 3 9 & & 5 2 8 7 5 2 8 7 8 7 6 , 4 7 9 & & 9 & & 9 & & * 1 ' * 1 ' * 1 ' 3 6 w d q g e \ / 3 6 w d q g e \ 5 3 * 3 * 3 / r x w 3 5 r x w 9 & & 9 & & * 1 ' * 1 ' 9 & & 9 & & * 1 ' * 1 ' 3 / l q 3 / l q 3 5 l q 3 5 l q * 1 ' * 1 ' * 1 ' * 1 ' q ) & q ) & q ) & q ) & 3 3 3 3 3 & x ) & x ) q ) & 9 & & * 1 ' * 1 ' * 1 ' * 1 '
STEVAL-CCA007V1 revision history 3/4 2 revision history table 1. document revision history date revision changes 23-may-2008 1 initial release.
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