for further information contact your local stmicroelectronics sales office. may 2012 doc id 023198 rev 1 1/4 4 STEVAL-CCA030V1 sta350bw sound terminal? 2.1-channel high-efficiency digital audio system board data brief features 2 channels of ternary pwm 2x50 w @ 6 , 25 v 5 v to 26 v operating supply voltage range ffx ? 100 db snr and dynamic range selectable 32 to 192 khz input sample rates i 2 c control with selectable device address digital gain/attenuation +42 db to -80 db with 0.125 db/step resolution individual channel and master gain/attenuation audio presets: ? 15 preset crossover filters ? 5 preset anti-clipping modes ? preset night-time listening mode i 2 s input data interface up to 8 user-programmable biquads per channel 3 coefficient banks for eq preset storing with fast recall via i 2 c interface selectable high-pass filter for dc blocking rohs compliant description the STEVAL-CCA030V1 demonstration board is based on the sta350bw sound terminal digital amplifier and is an integrated solution for digital audio processing, digital amplifier control and ffx ? -power output stage. the STEVAL-CCA030V1 is made up of two boards: sta350bw to evaluate the device and apwlink (steval- cca035v1) used as i 2 s and i 2 c interface. to use this board it is mandatory to use the apworkbench software tool. www.st.com
schematic diagram STEVAL-CCA030V1 2/4 doc id 023198 rev 1 1 schematic diagram figure 1. schematic diagram ! - v
STEVAL-CCA030V1 revision history doc id 023198 rev 1 3/4 2 revision history table 1. document revision history date revision changes 28-may-2012 1 initial release.
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