data brief for further information contact your local stmicroelectronics sales office. september 2011 doc id 018811 rev 2 1/4 4 steval-CCA027V1 50 w+50 w dual btl class-d audi o amplifier demonstration board based on the tda7492 features 50 w + 50 w continuous output power @ thd = 10%, r l = 6 ? , v cc = 25 v 40 w + 40 w continuous output power @ thd = 10%, r l = 8 ? , v cc = 25 v wide range single supply operation (8-26 v) high efficiency ( = 90%) four selectable, fixed gain settings (21.6 db, 27.6 db, 31.1 db, and 33.6 db) differential inputs to minimize common-mode noise standby and mute features short-circuit and thermal overload protections externally synchronizable rohs compliant description the steval-CCA027V1 demonstration board is designed for the tda7492 high power dual btl class-d audio amplifier. due to the high efficiency, the tda7492 device is assembled in psso36 and is able to dissipate the generated heating with the use of a reasonably small heatsink. on the board some jumpers allow to configure the amplifier in order to verify all the features, such as single ended or differential inputs, fixed gain settings. standby and mute functions are enabled through the microswitches provided. steval-CCA027V1 www.st.com
circuit schematic steval-CCA027V1 2/4 doc id 018811 rev 2 1 circuit schematic figure 1. circuit schematic , 1 / , 1 / , 1 5 , 1 5 9 & & * 1 ' 2 8 7 / 2 8 7 / 2 8 7 5 2 8 7 5 0 8 7 ( 6 7 % < 9 3 2 : ( 5 6 8 3 3 / <
) r u 6 l q j o h ( q g h g , q s x w ) r u 6 l q j o h ( q g h g , q s x w & x ) 9 & q ) 5 . / x + & q ) & q ) & q ) & q ) & q ) & q ) & q ) & s ) 5 5 / x + & q ) & q ) / x + & s ) 5 5 / x + & q ) & q ) & q ) & q ) & q ) & q ) , 1 3 % 9 6 6 2 8 7 1 % 3 * 1 ' % 3 9 & & % 2 8 7 3 % 2 8 7 1 $ 3 9 & & $ 3 * 1 ' $ 2 8 7 3 $ , 1 1 % 2 8 7 1 % 3 * 1 ' % 0 8 7 ( 3 9 & & % 2 8 7 3 % 6 9 5 2 8 7 1 $ 6 8 % b * 1 ' , 1 3 $ , 1 1 $ 6 * 1 ' 9 ' ' 6 ' , $ * 9 ' ' 3 : 3 * 1 ' 6 7 % < 5 2 6 & * $ , 1 6 9 & & * $ , 1 6 < 1 & / . 2 8 7 3 $ 3 * 1 ' $ 9 5 ( ) 3 9 & & $ , & 7 ' $ 5 n 5 5 & q ) 5 n 5 n 5 n & q ) & q ) & q ) - - 6 6 & q ) & x ) * 1 ' 2 8 7 , 1 , & / & = / & = / & = / & = & x ) 9 - - - - - - & x ) 9 & x ) 9 & x ) 9 5 n ' , $ * 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 9 ' ' 6 9 ' ' 6 9 & & 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 9 9 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 * 1 ' 6 < 1 & / .
steval-CCA027V1 revision history doc id 018811 rev 2 3/4 2 revision history table 1. document revision history date revision changes 22-apr-2011 1 initial release. 12-sep-2011 2 minor text changes.
steval-CCA027V1 4/4 doc id 018811 rev 2 please read carefully: information in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st ?) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described he rein at any time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a parti cular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. unless expressly approved in writing by two authorized st representatives, st products are not recommended, authorized or warranted for use in milita ry, air craft, space, life saving, or life sustaining applications, nor in products or systems where failure or malfunction may result in personal injury, death, or severe property or environmental damage. st products which are not specified as "automotive grade" may only be used in automotive applications at user?s own risk. resale of st products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, any liability of st. st and the st logo are trademarks or registered trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2011 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - philippines - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com
mouser electronics authorized distributor click to view pricing, inventory, delivery & lifecycle information: stmicroelectronics: ? steval-CCA027V1
|
