for further information contact your local stmicroelectronics sales office. april 2012 doc id 023151 rev 1 1/4 4 STEVAL-CCA037V1 amplifier based on the ts4990iqt data brief features operating from v cc = 2.2 v to 5.5 v active low standby mode 1.2 w output power @ v cc = 5 v, thd = 1%, f = 1 khz, with 8 load ultra low power consumption in standby mode (10 na) 62db psrr @ 217 hz in grounded mode (a v = 2 v/v) near zero pop and click ultra low distortion (0.1%) module gain set at 2 v/v thermal and short-circuit protection rohs compliant description the STEVAL-CCA037V1 demonstration board is designed to evaluate the ts4990iqt low power audio amplifier. the micro package dfn8 (dual flat non-leaded 8 pins) allows space saving and good thermal dissipation. the btl gain is set at 2 v/v and can be adapted if necessary with a modification of two (r1 or r2) resistor values. it is possible to modify the input configuration from single ended to differential of the steval- cca037v1 demonstration board. more information regarding component calculations is available in the ts4990 datasheet. www.st.com
schematic diagram STEVAL-CCA037V1 2/4 doc id 023151 rev 1 1 schematic diagram figure 1. schematic diagram # .
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STEVAL-CCA037V1 revision history doc id 023151 rev 1 3/4 2 revision history table 1. document revision history date revision changes 27-apr-2012 1 initial release.
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