STEVAL-CCA015V1

STEVAL-CCA015V1 Triple video buffer with filter for HD demonstration board based on the TSH346 Data brief Features ■ 4.5 V to 5.5 V single supply operation ■ R-G-B, Y-Pb-Pr, Y-C-CVBS, HD driving ■ 3 channels with 6 dB gain buffer ■ 3 video reconstruction filters for HD ■ 3 internal input DC level shifter ■ No input capacitor is required ■ Very low harmonic distortion ■ Each output can drive AC/DC coupled 150 Ω loads ■ Tested on 5 V power supply ■ RoHS compliant ) s ( ct Description u d o r P e t e l o ) (s s b O This demonstration board is designed to evaluate the TSH346, a single supply triple video buffer featuring an internal gain of 6 dB and an internal low pass filter of 36 MHz cut-off frequency for each channel to fit with high definition requirements for video line interfaces. STEVAL-CCA015V1 t c u d o r P e t e l o s b O June 2009 Doc ID 15863 Rev 1 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 4 2/4 Doc ID 15863 Rev 1 BNC_75R +VCC R15 R1 75R +VCC R8 75R +VCC R1 75R R16 nc CR3 0R R9 nc CR2 0R R2 nc CR1 0R R17 R1 nc R1 R10 nc R3 nc C1 3 2 1 IC1 C2 100nF 10uF VCC TSH346 TSH 346 +VCC 8 GND 7 R12 nc R5 nc C3 +VCC t e l o J5 BNC_75R J3 s b O t e l o 4 d o r BNC_75R J1 t c u ) (s s b O 5 75R R20 R2 75R R13 R1 75R R6 r P e 6 nc C4 u d o R19 nc R21 nc R14 nc R7 nc 0R LR1 nc C10 0R R18 nc C8 0R R11 nc C6 0R R4 +Vcc 1 J7 J8 J6 BNC_75R J4 BNC_75R J2 BNC_75R GND Figure 1. nc P e 1 2 1 1 SILx2 J9 SILx Circuit schematics STEVAL-CCA015V1 Circuit schematics Schematic diagram ) s ( ct AM03806v1 STEVAL-CCA015V1 2 Revision history Revision history Table 1. Document revision history Date Revision 11-Jun-2009 1 Changes Initial release. ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l o s b O Doc ID 15863 Rev 1 3/4 STEVAL-CCA015V1 ) s ( ct Please Read Carefully: u d o 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 herein at any time, without notice. r P e 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 assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. t e l o No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If 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 whatsoever of such third party products or services or any intellectual property contained therein. ) (s s b O 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 PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. t c u UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, 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. d o r P e t e l o 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 whatsoever, any liability of ST. s b O 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. © 2009 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 4/4 Doc ID 15863 Rev 1