STEVAL-CCA007V1 STMicroelectronics

STEVAL-CCA007V1 Demonstration board for the TS2012 filter-free stereo 2 x 2.8 W, class D audio power amplifier Data Brief Features Operating range from V = 2.5 V to 5.5 V CC Standby mode (active low) Output power per channel: 1.35 W at 5 V or 0.68 W at 3.6 V, 8 with 1% THD+N max Output power per channel: 2.2 W at 5 V, 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 STEVAL-CCA007V1 Description The STEVAL-CCA007V1 demonstration board is designed to test the features and performance 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 the copper area acting as a heatsink. Easily accessible connectors on the board allow changing or driving the gain select pins (G0 and G1) and standby control pins. It is also possible to change the input configuration of the TS2012. July 2008 Rev 1 1/4 For further information contact your local STMicroelectronics sales office. www.st.com 4&& && && Circuit schematic STEVAL-CCA007V1 1 Circuit schematic Figure 1. STEVAL-CCA007V1 schematic diagram &9& 3 3 &9& ) X ) X Q ) *1 *1 * *1 *1 *1 &9& 3 3 &9& &9& 9&& *1 * 3 4 7 , 3 Q ) /L Q *1 3 1 /, 8 /27 LQ *D + 3 3:0 1 /, W OH F 6H G JH %UL 8 /27 X W /R Q ) * /L Q *1 RLOOUDFW2V * 3 3 1 LQ *D + 3 3:0 Q ) 1 W OH F 6H G JH %UL Q *1 X W 3 %</67 GE D 6WQ %<567 3 UR QR O & W Q ) 1 1 1 Q *1 &9& 3 *1 *1 *1 *1 G5E DQ6W &9& 3 *1 G/E DQ6W 2/4 * 9 3* 39 3* 39 5L & 5R 5L 8752 5, 8752 5, & & 76 8 & & & &